Casino Sites That Accept Skrill in Australia 2026: What Actually Works
The short answer: which Skrill casinos are worth your time
Skrill is not a magic key that unlocks a secret tier of Australian casinos. It is a UK-regulated e-wallet owned by Paysafe, and it does exactly two useful things: it moves money in seconds, and it keeps your bank statement out of the casino's database. Everything else — whether you get paid, how fast, and what it costs — depends on the operator holding the licence, not the wallet.
The uncomfortable part is that the casinos shouting loudest about “instant Skrill withdrawals” are frequently the ones sitting on Curaçao licences with 48-hour manual approval queues. Payment rail speed and player protection are two different things. A site can accept your deposit in under a second and still take three days to decide whether you are allowed to have your winnings back.
For 2026, the shortlist that balances acceptable payout behaviour with terms that do not read like a trap is Bitstarz, Playamo, King Billy, 7Bit, Wild Tornado, Rocket, Fairgo and Ignition. All are offshore. None holds an Australian licence, because no Australian licence exists for online casino games. If that sentence makes you uncomfortable, good — it should. The rest of this guide explains exactly what you are accepting when you deposit with Skrill at an AU-facing site, and where the quiet costs hide.
Top Australian Skrill casinos ranked for 2026
Ranking offshore casinos is a bit like ranking landlords. Nobody is perfect, the paperwork is always worse than the advert, and the only thing you can measure is how they behave when you ask for money back. The order below reflects withdrawal behaviour, fee transparency, bonus terms and the quality of the cashier, not the size of the welcome banner.
1. Bitstarz
Bitstarz has been in the AU-facing market long enough to have a reputation worth protecting. It runs on a Curaçao licence, supports Skrill deposits and withdrawals, and publishes a minimum withdrawal around the A$30 mark depending on the method. The cashier is clean, the game library is enormous, and e-wallet payouts typically land inside 24 hours once verification is done.
The catch is the bonus maths. A 40x wagering requirement on a modest bonus is standard for this tier, but it is still a turnover target most casual players will never clear. Skrill deposits are also excluded from some promotions, which is the single most common complaint in Australian-facing casino reviews. Read the terms before you assume the welcome offer applies to your e-wallet deposit.
Bitstarz earns the top spot because it behaves predictably. Predictability is underrated in this market. A site that pays in 20 hours and says so is worth more than a site that promises “instant” and delivers in 72.
2. Playamo
Playamo advertises a A$10 minimum deposit and a A$20 minimum withdrawal, with Skrill and Neteller payouts usually processed inside 24 hours. The site has been around since 2016, holds a Curaçao licence, and carries a game library that leans heavily on pokies and live tables.
Where Playamo gets annoying is bonus eligibility. Multiple reviews of its terms note that Skrill and Neteller deposits are excluded from welcome bonus eligibility. That is not unique to Playamo — it is an industry-wide habit — but it means the “200% match” headline may not apply to you if you fund with the e-wallet you actually want to use.
Withdrawal behaviour is decent. Player reports and independent reviews place Skrill cashouts in the same-day to 24-hour window, with occasional KYC delays. The A$20 minimum withdrawal is one of the lower thresholds in the offshore market, which matters if you are testing a site with a small balance rather than committing serious money.
3. King Billy
King Billy is a Curaçao-licensed casino with a medieval theme that has somehow survived longer than most of its competitors. Skrill deposits are instant, withdrawals are typically quoted at up to 24 hours, and the minimum deposit sits around €20 or the AUD equivalent.
The bonus structure is a multi-deposit package with wagering in the 30x to 50x range depending on the promotion. Maximum bet rules during wagering — often around A$5 per spin — are enforced, and breaching them can void the bonus. That is standard, but it catches people who treat a bonus balance like cash.
King Billy's cashier is not the fastest on this list, and its Skrill withdrawal window is not the shortest. What keeps it in the top three is consistency: the terms are published, the licence is verifiable, and the site has not developed a reputation for inventing KYC obstacles at the withdrawal stage.
4. 7Bit
7Bit has been running since 2014, which makes it one of the older crypto-first operators still accepting Australian players. Skrill sits alongside Visa, Mastercard, Neteller and a long list of cryptocurrencies in the fiat cashier. The minimum deposit is A$20 across the board.
The crypto-first design shows in the payout flow. Card and bank withdrawals can take one to five business days after internal approval, while e-wallet routes are faster. If you are using Skrill specifically, you are using the “traditional” rail at a casino that built its infrastructure for something else — which is fine, but do not expect the same speed as a crypto withdrawal.
7Bit holds a Curaçao licence. It is not regulated by ACMA, and no Australian regulator will help you if a dispute goes sideways. That is the trade-off for access. The site's longevity is a point in its favour; longevity is not the same as protection.
5. Wild Tornado
Wild Tornado is a slot-heavy casino with a Curaçao licence and a cashier that accepts Skrill, Neteller, Paysafecard and bank transfer. Skrill deposits are credited instantly, and withdrawals are processed within a 24-hour window in most reported cases.
The site's minimum deposit is often quoted around €10, with a maximum withdrawal cap that varies by method. The game library is built for volume rather than curation — hundreds of pokies, a live dealer section, and the usual table-game selection.
Wild Tornado does not have the brand recognition of Bitstarz or the review depth of Playamo, but it behaves like a functional offshore casino: deposits land, withdrawals clear, and the terms are readable. That is a lower bar than it should be, yet plenty of sites still fail to clear it.
6. Rocket Casino
Rocket Casino targets Australian players with a crypto-friendly cashier and a welcome package that has been reviewed, dissected and argued about on more affiliate pages than almost any other brand in this market. Skrill is supported, and e-wallet payouts are typically quoted in a one-to-four-hour window once the request is approved.
The welcome bonus is usually a multi-deposit package with 40x to 50x wagering on the bonus amount. That is not generous. A A$500 bonus at 40x requires A$20,000 in turnover before anything converts to withdrawable cash. The maximum bet during wagering is capped, and game contribution rates vary, which means the effective requirement can be higher than the headline number.
Rocket's fast-payout reputation is real for players who have completed verification. For new accounts, the first withdrawal is where the KYC queue appears. Budget for that delay rather than treating it as a betrayal.
7. Fairgo
Fairgo is a long-running AU-facing casino with a Curaçao licence and a cashier that supports Skrill, credit cards, Neosurf and crypto. Reported Skrill withdrawal times sit under six hours for approved requests, with a A$20 minimum withdrawal and a A$10,000 maximum.
The site's game library leans on Realtime Gaming titles and a broad pokies selection. Live dealer coverage is thinner than at Playamo or Bitstarz, but the cashier is straightforward and the minimum thresholds are low.
Fairgo's bonus terms are the usual offshore mix: match offers with wagering in the 30x to 40x range, capped bets during play, and method exclusions that can catch Skrill users. The casino is not trying to be premium. It is trying to be functional, and for a lot of players that is enough.
8. Ignition
Ignition is best known for poker and casino crossover, but its Australian-facing casino cashier accepts Skrill and processes e-wallet withdrawals in under four hours in reported tests. The minimum withdrawal is A$10, which is one of the lowest on this list, and the maximum is A$15,000.
The trade-off is the licence. Ignition operates offshore, and its casino product is not authorised by any Australian regulator. The site's poker heritage gives it a more established feel than some of the newer Curaçao brands, but “established” is not the same as “accountable to an Australian dispute body”.
For a player who wants a low minimum and a fast e-wallet payout, Ignition is a reasonable testing ground. For a player who wants a regulator to call when something breaks, no site on this list qualifies.
Skrill casino comparison table
The table below compares the practical numbers that matter at the cashier. Where a figure varies by promotion or method, the range reflects what the operator publishes or what independent reviews have consistently reported. Always confirm at the cashier before depositing.
| Casino | Licence | Skrill deposit | Skrill withdrawal window | Min deposit | Standout feature |
|---|---|---|---|---|---|
| Bitstarz | Curaçao | Instant | Under 24 hours | ~A$10–20 | Deep game library and predictable payouts |
| Playamo | Curaçao | Instant | Under 24 hours | A$10–20 | Low A$20 withdrawal minimum |
| King Billy | Curaçao | Instant | Up to 24 hours | ~€20 | Consistent terms and verifiable licence |
| 7Bit | Curaçao | Instant | Faster via crypto than Skrill | A$20 | Crypto-first cashier with fiat fallback |
| Wild Tornado | Curaçao | Instant | Up to 24 hours | ~€10 | High-volume pokies selection |
| Rocket | Curaçao | Instant | 1–4 hours after approval | A$20–30 | Fast e-wallet queue for verified accounts |
| Fairgo | Curaçao | Instant | Under 6 hours | A$20 | Low maximum and simple cashier |
| Ignition | Curaçao | Instant | Under 4 hours | A$10 | Lowest withdrawal minimum on the list |
The legal picture: what the IGA actually says about Skrill casinos
Australia's Interactive Gambling Act 2001 prohibits the provision of online casino games — pokies, roulette, blackjack, poker — to people physically present in Australia. The prohibition targets operators, not players. No Australian licence exists for online casino gaming, and the ACMA enforces the ban by blocking offshore domains and pursuing unlicensed operators.
Using Skrill itself is legal. Skrill is an FCA-regulated e-money institution, and holding or transferring money through it is not an offence. What is legally murky is the casino on the other side of the transaction: if it holds no Australian licence — and none of the sites in this guide do — it is operating outside the Australian framework.
Why no Australian-licensed casino offers Skrill pokies
The IGA's structure means an Australian-licensed operator cannot legally offer online casino games to Australian residents. That removes the entire category of locally licensed casino sites from the Skrill conversation. What remains is offshore operators licensed in Curaçao, Malta, the UK or Gibraltar, none of which answer to an Australian regulator.
This is not a loophole that benefits players. It means that when a dispute arises — a frozen account, a rejected withdrawal, a bonus voided on a technicality — there is no Australian dispute-resolution body with jurisdiction. The casino's licence regulator is the only external pressure point, and Curaçao's dispute process is not known for speed.
What ACMA blocks, and what it does not
ACMA maintains a growing list of blocked domains and has issued blocking orders against hundreds of offshore gambling sites since 2017. The list includes casino brands, affiliate mirrors and redirect domains. Being absent from the blocklist is not a certification of legitimacy; it simply means the regulator has not yet acted against that domain.
Blocking is a domain-level remedy, not a player-protection mechanism. A site can be blocked, rebrand, and reappear under a new domain within weeks. Players who follow “mirror” links are often following the same operator through a different front door. The practical lesson is that ACMA's list is a useful warning system, not a whitelist.
How Skrill works for Australian players
Skrill launched in 2001 as Moneybookers and rebranded in 2011. Paysafe Group acquired it in 2015, and it now operates as an FCA-regulated e-money institution with segregated client funds. For casino use, the mechanics are simple: you fund a wallet, verify your identity, and push money to a casino cashier using an email address and a PIN.
The wallet supports 40+ currencies, including AUD, and operates in more than 120 countries. Holding AUD in the wallet avoids conversion on the Skrill side, but the casino may still settle in USD or EUR internally, which is where the quiet 3.99% conversion cost appears.
Deposits: fast, but not always free
Skrill-to-casino deposits are typically instant. Most AU-facing operators credit the balance in under a minute, and the casino usually absorbs the deposit fee on its side. The cost appears when you fund the wallet: bank transfers are often free, while card top-ups carry a fee in the region of 1.9%.
Minimum deposits vary. Many offshore casinos set the Skrill minimum at A$10 to A$20, while Skrill's own minimum wallet transfer is around €1. The casino minimum is the number that matters, and it is usually buried in the banking page rather than the homepage.
Withdrawals: the casino is the bottleneck, not the wallet
Skrill's internal processing is near-instant once funds are released. The delay comes from the casino's approval queue. MGA-licensed operators commonly release e-wallet withdrawals within one to four hours. Curaçao-licensed sites frequently sit on requests for 24 to 72 hours, and some batch withdrawals twice weekly.
Once the casino releases the funds, Skrill credits the wallet quickly. Moving money from Skrill to an Australian bank account takes one to three business days and typically carries a flat fee of around A$5.50 to A$6.60, depending on the account configuration.
Verification and the account-name rule
Skrill requires identity verification, and casinos licensed by the MGA or Curaçao will ask for the same documents independently. Expect a 24 to 72-hour turnaround on both sides if your documents are clean. A mismatch between the Skrill account name and the casino account name is the fastest route to a frozen withdrawal. Third-party deposits breach the terms at every legitimate operator, and “legitimate” here includes the offshore sites in this guide.
The fee math nobody shows you
Affiliate pages love to say Skrill deposits are “free”. They are free on the casino side in many cases, but a full round trip from your bank to the casino and back is not free. The costs stack, and they stack quietly.
Here is a worked example using published fee ranges. A player funds a Skrill wallet with a card, deposits A$500 at a casino, withdraws the same amount back to Skrill, and then moves it to an Australian bank account. The card top-up carries a fee around 1.9%. The casino deposit is free. The withdrawal to Skrill may carry a 0% to 1.45% merchant fee. The Skrill-to-bank transfer costs roughly A$5.50 to A$6.60 flat. If any leg involves a currency conversion, Skrill applies up to 3.99% over the interbank rate.
| Leg of the journey | Typical cost on A$500 | Who charges it |
|---|---|---|
| Card top-up to Skrill | ~A$9.50 (1.9%) | Skrill |
| Skrill deposit to casino | A$0 | Usually the casino absorbs it |
| Casino withdrawal to Skrill | A$0–A$7.25 (0–1.45%) | Skrill merchant fee, varies |
| Skrill to Australian bank | ~A$5.50–A$6.60 flat | Skrill |
| Currency conversion (if applicable) | Up to ~A$19.95 (3.99%) | Skrill |
| Rough total | ~A$15–A$43 (3–8.7%) | Stacked across the chain |
On a A$500 round trip, the friction is somewhere between A$15 and A$43 depending on currency pairing and merchant category. That is 3% to 8.7% of your bankroll gone before a single spin. A player who ignores this and then complains about a 35x wagering requirement is focused on the wrong leak. The payment layer is charging you before the games get a turn.
The comparison that matters is not “Skrill versus nothing”. It is Skrill versus the alternatives. PayID transfers between Australian banks are typically free and settle in under 60 seconds, but far fewer offshore casinos support them. Crypto withdrawals can be faster than Skrill and avoid FX conversion, but they introduce volatility and a different set of custody risks. Skrill sits in the middle: faster than a bank transfer, more expensive than PayID, more familiar than crypto.
Bonuses: the Skrill exclusion trap
“Free” bonus money is the most profitable fiction in the casino affiliate industry. The word appears in enormous fonts, the wagering requirement appears in 9-point grey text at the bottom, and the method exclusion is often on a separate page entirely. Skrill users are hit by that exclusion more than most.
Why e-wallet deposits often void welcome bonuses
Many AU-facing casinos exclude Skrill and Neteller deposits from welcome bonus eligibility. The stated reason is bonus abuse: e-wallets are easy to open, easy to fund, and harder for the casino to trace back to a bank account. The practical result is that a player who deposits with Skrill may receive the bonus and later discover it was never attached to the deposit, or that the terms required a different funding method.
Playamo, SkyCrown and several other brands on this list have documented e-wallet exclusions in their bonus terms. That does not make them fraudulent. It makes them casinos. The term is disclosed, even if the disclosure is buried. Check the promotion's “eligible payment methods” section before you deposit, not after.
The expected-loss calculation behind a 40x wagering requirement
A 40x wagering requirement sounds like a number. It is actually a cost. Take a A$100 bonus with 40x turnover and a 96% RTP pokie. You need A$4,000 in total bets to clear the requirement. At 96% RTP, the expected loss on that turnover is A$160. The bonus is A$100. The expected value of the exercise is negative A$60 before you account for capped bets, game contribution rates or the time cost.
That is the maths the banner does not show. A bonus is not a gift; it is a discounted gambling product with a minimum purchase requirement. If the wagering requirement is high enough and the RTP is low enough, the “free” money costs more than it is worth. Sometimes the rational move is to decline the bonus and play with your own balance, because a cash balance has no maximum-bet rule and no 30-day expiry.
Skrill-specific no-deposit bonuses do exist, usually as small free-spin or free-chip offers with their own wagering and maximum-cashout caps. They are worth treating as entertainment samples, not as income. A A$10 free chip with a A$100 max cashout and 40x wagering is not a head start. It is a demo with extra paperwork.
Games you can actually play with Skrill
The payment method does not restrict the game library at most offshore casinos. Skrill is a cashier option, not a game filter. What changes between operators is the software portfolio, the RTP configuration and the live-dealer depth.
Pokies and slots
Pokies are the core product at every casino on this list. Bitstarz and Wild Tornado carry the widest raw selection, with titles from Pragmatic Play, NetEnt, Microgaming, Hacksaw Gaming and RTG depending on the brand. RTP varies by title and by operator configuration, and the published RTP is not always the RTP you get. If a specific number matters to you, check the game's information screen inside the casino, not the affiliate review.
Live dealer and table games
Live dealer coverage is strongest at Playamo and Bitstarz, with roulette, blackjack, baccarat and game-show variants streamed from studios. King Billy and Rocket carry functional live lobbies but thinner tables. Live games usually contribute less to wagering requirements than pokies, and some contribute nothing at all. That detail is in the bonus terms, and it changes the effective cost of clearing a bonus.
Crash games and instant-win titles
Crash games such as Aviator and Plinko have become a significant category at AU-facing casinos. They are fast, provably fair in many implementations, and structurally different from pokies: the player chooses when to cash out, which means the house edge is expressed through the multiplier distribution rather than a fixed reels model. Not every operator carries them, and not every operator counts them toward wagering. Rocket and Fairgo have notable crash lobbies; the others vary.
Low-deposit Skrill casinos: $5 and $10 reality check
A A$10 deposit is a test, not a bankroll. It is enough to verify that the cashier works, that the games load and that the withdrawal process is not designed to be impossible. It is not enough to clear a welcome bonus, and it is not enough to absorb a 3.99% FX fee without noticing.
Several offshore casinos advertise A$10 minimum deposits for e-wallets. Playamo and Ignition are the most consistent on this front, with A$10 to A$20 thresholds. A A$5 minimum is rarer; when it appears, it is usually a promotional headline rather than a standard cashier limit. Skrill's own minimum wallet transfer is around €1, but the casino's minimum is the binding constraint.
Low-deposit play has one genuine advantage: it limits the damage of a bad fee structure. A A$10 deposit with a A$0.19 card top-up fee and a flat A$6 bank withdrawal fee is a cheap experiment. The same fee structure on a A$500 deposit is a rounding error on the way in and a nasty surprise on the way out. If you are testing a new site, test it small and withdraw once before scaling up.
New Skrill casinos in 2026
“New” is a marketing category, not a quality signal. A casino that launched last month may have better software and worse dispute handling than a site that has been running since 2016. Newness tells you something about the bonus offer and almost nothing about the withdrawal queue.
The new AU-facing brands that accept Skrill tend to follow a pattern: a Curaçao licence, a crypto-first cashier with fiat e-wallet fallback, a multi-deposit welcome package with 40x to 50x wagering, and a withdrawal process that is fast for verified accounts and slow for everyone else. SkyCrown, Spinrise and several Dama N.V. brands fit this description. Some of them are already on ACMA's warning radar, and at least one has appeared in formal warning notices.
The useful question about a new Skrill casino is not “how big is the bonus”. It is “who owns it, what licence does it hold, and has the regulator already acted against a sister brand?” A new domain can be a fresh start or a rebrand of a blocked operator. The ownership trail is the only reliable signal, and it takes ten minutes to check.
Mobile Skrill casinos
Skrill's mobile experience is app-based on iOS and Android, and browser-based on everything else. Deposits from the app work the same way as desktop: email, PIN, instant credit. The casino's mobile site is the variable. Some operators have genuinely responsive cashiers; others have a desktop layout squeezed into a phone screen with tap targets the size of a pinhead.
For Australian players, the practical test is the withdrawal flow. If you can request a Skrill withdrawal from your phone in under two minutes without zooming, the mobile build is adequate. If the cashier redirects to a desktop-only page, the mobile experience is cosmetic. Test with a small deposit before committing to a full session.
Mobile also raises the account-name issue. Depositing from a Skrill app logged into someone else's account — a partner's, a friend's — breaches the casino's terms and can void winnings. The wallet and the casino account must belong to the same person. That rule is enforced more strictly on mobile because device fingerprinting makes mismatches easier to detect.
Skrill vs Neteller vs crypto vs PayID
Skrill and Neteller are sister wallets under Paysafe. The fee schedules differ slightly — Neteller is often marginally cheaper on local deposits — but the casino acceptance is broadly similar. If a site accepts one, it usually accepts the other, and if it excludes one from bonuses, it usually excludes both.
Crypto is faster and cheaper on the withdrawal leg at crypto-first casinos like 7Bit, but it introduces custody risk, network fees and price volatility between deposit and withdrawal. PayID is free and near-instant between Australian banks, but offshore casino support is patchy. Skrill's advantage is breadth: it is accepted at roughly eight out of ten offshore pokies sites serving Australia, according to industry estimates, which makes it the most reliable single e-wallet option for this market.
The choice is not about which method is “best” in isolation. It is about which method matches the casino. A crypto-first casino will always process a crypto withdrawal faster than a Skrill withdrawal. A PayID-friendly casino will always beat both on cost. Skrill wins when the casino is offshore, e-wallet-friendly and does not support the local rails.
How we rank these sites
We do not rank by welcome bonus size. A bigger bonus with a 50x wagering requirement and a capped maximum bet is worse than a smaller bonus with clearer terms. The ranking criteria are withdrawal behaviour, fee transparency, licence verifiability, bonus-term readability and cashier quality.
Withdrawal behaviour is weighted heaviest because it is the only thing a player can measure after the fact. A site that pays in four hours and publishes the window is more trustworthy than a site that promises “instant” and takes three days. Fee transparency is second: a casino that discloses the FX conversion and the withdrawal fee before you deposit is behaving better than one that hides both until the cashout stage.
Licence verifiability matters, but it is not a pass/fail test in this market. Every site on this list holds a Curaçao licence, which offers limited player protection compared with an MGA or UKGC licence. The ranking does not pretend otherwise. It rewards sites that disclose their licence and do not invent obstacles when a player asks for the number.
Responsible gambling
Offshore casinos do not have to follow Australia's responsible gambling codes. That is not a small omission. Locally licensed wagering operators are subject to deposit limits, self-exclusion registers and staff-intervention requirements. Curaçao-licensed casinos are subject to their own terms, which vary and are not enforced by an Australian body.
If you are using Skrill at an offshore site, set your own limits before you deposit. Skrill itself does not offer a gambling-specific self-exclusion that covers all merchants, and the casino's “responsible gambling” page may be a link to a generic advisory rather than an operational tool. The practical safeguards are the ones you configure: a weekly deposit cap in your own banking app, a separate Skrill balance you top up deliberately, and a hard rule about how much of a win goes back into the wallet versus out to your bank.
Gambling Help Online operates a free, confidential 24/7 counselling service across Australia on 1800 858 858. It is funded by state and territory governments and is independent of the casino industry. If the session stops being entertainment, that is the number to call — not the casino's live chat.
Can you use Skrill at Australian casinos?
Yes, at offshore casinos that accept Australian players. No Australian-licensed casino offers online pokies, so every Skrill casino available to AU residents is offshore. Skrill itself is legal to use; the casino's licensing status is the part that carries risk.
Is Skrill safe for online casino deposits in Australia?
Skrill is FCA-regulated, holds client funds in segregated accounts and uses 256-bit encryption and two-factor authentication. The wallet is safe in the sense that it is a regulated payment institution. The casino on the other end is not covered by that regulation, and Skrill gambling payments are treated as final, so a chargeback is not available.
How fast are Skrill withdrawals from Australian casinos?
Once the casino approves the request, Skrill credits the wallet in minutes. The total wait is usually one to twenty-four hours at offshore sites, with Curaçao-licensed casinos sometimes taking longer. The bottleneck is the casino's approval queue, not Skrill's processing speed.
Do Skrill deposits qualify for casino bonuses?
Often no. Many AU-facing casinos exclude Skrill and Neteller from welcome bonus eligibility to limit bonus abuse. Some promotions allow e-wallets but apply a lower contribution rate or a different maximum bet. Check the eligible payment methods section in the promotion terms before depositing.
What is the minimum Skrill deposit at Australian casinos?
Most offshore casinos set the Skrill minimum at A$10 to A$20. Skrill's own minimum wallet transfer is around €1, but the casino's cashier limit is the binding number. A$10 is common at Playamo and Ignition; other brands sit closer to A$20.
Can you withdraw from Skrill to an Australian bank account?
Yes. Skrill transfers to an Australian bank account typically take one to three business days and carry a flat fee of around A$5.50 to A$6.60. Currency conversion, if applicable, adds up to 3.99% over the interbank rate.
Why do casinos exclude Skrill from bonuses?
E-wallets are easier to open and fund than bank accounts, which makes them harder for casinos to monitor for bonus abuse. Excluding Skrill and Neteller from welcome offers is a risk-control measure. The exclusion is usually disclosed in the terms, though not always prominently.
Is Skrill better than Neteller for Australian casino players?
The two are broadly equivalent in acceptance and speed. Neteller's fee schedule is marginally cheaper on some local deposits, while Skrill is accepted at slightly more AU-facing sites. The difference is small enough that the casino's terms matter more than the wallet choice.