SlimKing
At Slim King, also referred to as SlimKing, we bring together slots, table games, live dealer tables and sports betting on one site aimed at UK players. This guide covers the SlimKing bonus structure, games, payments and account security, using only information published by the operator.
Slimking — Providers
| Fact | Detail |
|---|---|
| Casino Name | Slim King (also known as SlimKing) |
| Established | 2026 |
| Operator | 3-102-945295 SRL |
| Affiliate Programme | Gambleon |
| Licence | Costa Rica Gambling authority, registration number 3-102-945295 SRL |
| Supported Currencies | EUR, CHF, PLN, BTC, ETH, USDT, LTC, ADA, USDC |
| Welcome Bonus | 100% up to £1,000 plus 200 free spins |
| VIP Levels | Five levels (Stufe 1-5) |
| Game Types | Slots, table games, live casino, jackpots, bonus buy, Megaways, crash games, game shows |
| Software Providers | Pragmatic, Evolution, Playson, Hacksaw Gaming, Novomatic, Netent and others |
| Payment Methods | 16+ methods, including cards, e-wallets, bank transfer and crypto |
| Minimum Deposit | £10-£20 depending on method |
| Withdrawal Times | 0-24 hours (e-wallets/crypto) to 3-7 days (bank transfer) |
| Sports Betting | Prematch and live betting across football, tennis, esports and more |
| Customer Support | 24/7 live chat and email, in English |
Overview of Slim King
Slim King was established in 2026 and is operated by 3-102-945295 SRL, a company registered in Costa Rica, as part of the Gambleon affiliate programme. The site holds a licence from the Costa Rica Gambling authority under this registration number and continues to operate under it through 2025 for both its casino and sportsbook sections. Supported currencies include EUR, CHF, PLN and cryptocurrencies such as BTC, ETH, USDT, LTC, ADA and USDC; bonus values and limits in this guide are shown in GBP (£) for UK readers.
What We Offer at Slim King
Slim King's site includes the following features:
- A dark-themed design with gold accents
- Prominent bonus banners on the homepage
- Game categories shown as top navigation tabs
- A provider and category filter sidebar
- Support for multiple languages
- Demo mode on many games
- Tournament countdown displays
- Live chat and email support
SlimKing Bonus Offers
The table below sets out the SlimKing bonus offers available, along with wagering requirements and minimum deposit.
| Bonus Name | Bonus Type | Offer | Wagering Requirement | Minimum Deposit | Eligibility |
|---|---|---|---|---|---|
| Welcome Bonus | Welcome bonus | 100% up to £1,000 plus 200 free spins | 35x deposit and bonus amount | £20 | New players |
| Second Deposit Bonus | Match deposit bonus | 100% up to £200 plus 50 free spins | 35x deposit and bonus amount | £20 | New players |
| Weekly Reload | Reload bonus | 77% up to £700 plus 50 free spins | 35x bonus amount | £20 | Registered players, weekly |
| Weekend Reload | Reload bonus | 50% up to £700 plus 50 free spins | 40x deposit and bonus amount | £20 | Registered players, weekends |
The welcome offer applies to the first deposit, the second deposit bonus to the next top-up, and both reload bonuses repeat on the schedule shown above. Wagering requirements must be met before withdrawing bonus-related winnings.
Games at Slim King
Slim King's library covers slots, table games, live casino, jackpot games, bonus buy titles, Megaways slots, crash games and game shows, drawing on studios such as Pragmatic, Evolution, Playson, 3 Oaks Gaming, Hacksaw Gaming, Novomatic, Netent, Red Tiger, Betsoft, Big Time Gaming, GameBeat and ELA Games, among dozens of others.
Popular Slots
- Gates of Olympus Super Scatter – Pragmatic
- Starlight Princess 1000 – Pragmatic
- Coin Volcano – 3 Oaks Gaming
- Coin Strike: Hold and Win – Playson
- Sweet Bonanza Super Scatter – Pragmatic
- Duel at Dawn – Hacksaw Gaming
- Buffalo Trail – GameBeat
- 3 Pots of Olympus – Betsoft
- John's Book – ELA Games
- Flame Fruits Frenzy – ELA Games
Table Games
- Blackjack
- European Roulette
- Baccarat
- Caribbean Stud Poker
- Video Poker
- Gravity Plinko
- 21 Burn Blackjack
- American Blackjack
- Oasis Poker
- Jacks or Better Multi-Hand 25
Live Casino
- XXXTreme Lightning Roulette – Evolution
- Mega Roulette – Pragmatic Live
- Blackjack 100 - Azure – Pragmatic Live
- Sweet Bonanza Candyland – Pragmatic Live
- Diamond Roulette
- Venice Roulette
- ONE Blackjack 1
- Speed Roulette
- Mega Wheel
- Bar Roulette 2000X
Jackpot Games
- Cash Connection Sizzling Hot – Novomatic
- 5 Star Coins: Hold & Win
- 20 Mega Hotfire
- 20 Super Hot
- 100 Power Hot Golden Coins Link
- La Dolce Vita Flaming Link
- Fire Crown
- Aztec Gemstones
- Sizzling Hot
- 5 Sevens Hold & Win – Novomatic
Bonus Buy Games
- Big Bass Bonanza Megaways – Pragmatic
- Coin Princess 1000 – 3 Oaks Gaming
- Royal Joker: Hold and Win – Playson
- Diamonds of Liberty – Booming Games
- Wisdom of Athena – Pragmatic
- Freak Out – GameBeat
- Duel at Dawn – Hacksaw Gaming
- Book of Ra Deluxe 6 – Novomatic
- Duel of Night & Day – Pragmatic
- Fish Tales Double Catch – Booming Games
Newest Additions
Recent additions to Slim King include Lava Balls (Pragmatic), Stormborn (Hacksaw Gaming), More Energy Coins: Hold and Win (Playson), Book of Faith Burning Board (VoltEnt), Chaos Crew 3 (Hacksaw Gaming), Lava Coins 2 (3 Oaks Gaming), Egypt Power x1000 (3 Oaks Gaming), Fruit Train Express: Hold & Win (Onlyplay), John's Book (ELA Games) and Starburst (Netent).
Payment Methods
Slim King supports the deposit methods listed below, each with a minimum deposit of £10 and no stated fees.
| Method | Type | Minimum Deposit | Fees |
|---|---|---|---|
| Visa | Card | £10 | None |
| MasterCard | Card | £10 | None |
| Skrill | E-wallet | £10 | None |
| Neteller | E-wallet | £10 | None |
| Bank Transfer | Bank transfer | £10 | None |
| Revolut | E-wallet | £10 | None |
| EPS | Online bank transfer | £10 | None |
| PaysafeCard | Prepaid voucher | £10 | None |
| Rapid Transfer | Online bank transfer | £10 | None |
| Blik | Mobile payment | £10 | None |
| Bitcoin | Crypto | £10 | None |
| Ethereum | Crypto | £10 | None |
| Tether | Crypto | £10 | None |
| Litecoin | Crypto | £10 | None |
| Cardano | Crypto | £10 | None |
| USD Coin | Crypto | £10 | None |
E-wallets and cryptocurrencies are processed within 0-24 hours after approval, card withdrawals take 1-5 days, and bank transfers take 3-7 days. Limits start at £500 per day and £7,000 per month at the first VIP level, rising to £20,000 per month at higher levels. Up to three withdrawal requests can be open at once; verification takes 24-48 hours, and the finance team processes requests Monday to Friday, 6:00-17:00 GMT, with none at weekends.
VIP Programme
Slim King runs a five-level VIP programme (Stufe 1-5), with progress based on activity measured over a rolling 90-day period. Moving up raises the monthly withdrawal limit from £7,000 to as much as £20,000. Players join automatically by registering and playing, with no separate sign-up step and no additional points-based loyalty scheme.
Tournaments
Slim King runs ongoing tournaments across several formats: Slots Highlights, Spin Arena, Live Bets and Sports. Prize pools for these events range from £250 to £2,500, depending on the tournament.
Sports Betting
Alongside the casino, Slim King offers a sportsbook covering prematch and live/in-play betting, with single and combination bet types. Top sports covered include football, tennis, Dota 2, Counter-Strike, ice hockey, rugby, baseball, American football, table tennis and basketball. Cash-out and live streaming are not available on the sportsbook at this time.
Registration and First Deposit
Signing up requires an email address, date of birth, country, phone number, gender, full name, National Insurance-style identification, postcode and a chosen username; players must be 18 or over. To make a first deposit, we ask players to:
- Register or log in to their account
- Go to the cashier or deposit section
- Select a payment method
- Enter the deposit amount (minimum £10 for most methods)
- Complete the transaction
Minimum deposit amounts appear on the Payments page once logged in, and KYC documents such as ID, proof of address and payment verification are requested before bonus funds are credited or a withdrawal is processed.
Customer Support
Slim King offers live chat around the clock; players provide their name and email address to connect with an operator. Email support is also available at [email protected]. Support is currently offered in English, and the Help Centre covers sports betting, account verification, withdrawals, deposits, bonuses, technical issues and general questions.
Responsible Gambling
Registration is restricted to players aged 18 and over, and Slim King verifies identity through ID, passport or driving licence checks alongside proof of address. Self-exclusion for a chosen period can be requested through customer support, and players seeking further support can contact Gamblers Anonymous, Gambling Therapy or NetNanny.
FAQ
Is Slim King licensed?
Yes. Slim King operates under a licence from the Costa Rica Gambling authority, registered under company number 3-102-945295 SRL.
What is the SlimKing bonus for new players?
The SlimKing welcome bonus is a 100% match up to £1,000 plus 200 free spins on the first deposit, subject to a 35x wagering requirement on the deposit and bonus amount, with a minimum deposit of £20.
Which currencies can I use at Slim King?
Slim King casino supports EUR, CHF, PLN and several cryptocurrencies, including BTC, ETH, USDT, LTC, ADA and USDC. Amounts in this guide are shown in GBP for UK readers.
Does Slim King have a mobile app?
Slim King does not offer dedicated iOS or Android apps. The site is optimised for mobile browsers, and players can add a shortcut to their home screen for quicker access.
When was Slim King established?
Slim King was established in 2026 and has operated since then under the Gambleon affiliate programme, with its licence from the Costa Rica Gambling authority remaining in place through 2025.
How long do withdrawals take at Slim King?
E-wallet and cryptocurrency withdrawals are processed within 0-24 hours after approval, card withdrawals take 1-5 days, and bank transfers take 3-7 days, with no processing at weekends.