Sign up in under a minute
Bonus terms & conditions apply.
Great Slots Casino Bonuses: Welcome Package, Free Spins and Cashback
Our bonuses start with a welcome package worth up to £5,400 plus 200 Free Spins, then keep going with weekly slots cashback, Thursday Free Spins and free bets on the sportsbook. Here is exactly what each offer gives you, what you have to do to keep the winnings, and the numbers behind every rule.
Worth a spin
Worth a spin
What the welcome package gives you and how to switch it on
Our welcome package is spread across your first five deposits and is worth up to £5,400 in bonus funds plus 200 Free Spins. You activate each stage yourself in the Cashier, and the minimum qualifying deposit at every stage is £30 - a smaller deposit will not trigger the offer.
Play slots and live casino in the UK
The stages do not have to be taken one after the other. If you skip the first stage, you can still activate the third, as long as it falls within your first five deposits. The cash bonus and the Free Spins both scale with the size of the deposit you make, and spins are rounded down to the nearest whole spin.
Go to the Cashier while logged in, before you move any money.
Switch on the bonus for that deposit. This has to happen first; a bonus cannot be added to a deposit you have already made.
Choose your payment method and pay in at least £30 to qualify.
The bonus funds and the Free Spins for that stage land in your account, with the spins tied to the game set for that stage.
The wagering for each bonus runs on a 7-day clock from the moment it is credited.
| Deposit | Match | Free Spins rate | Spins play on |
|---|---|---|---|
| First | 200% | 2 Free Spins per £1 deposited, up to 200 spins | Sunny Coin 10000 |
| Second | 100% | 1 Free Spin per £1 deposited | Book of Dead |
| Third | 50% | 1 Free Spin per £2 deposited | Legacy of Dead |
| Fourth | 50% | 1 Free Spin per £2 deposited | 3x5 Double Blazing |
| Fifth | 100% | 1 Free Spin per £1 deposited | Book of Dead |
Activate first, then deposit
A bonus cannot be applied after your money has arrived. If you deposit without switching the stage on in the Cashier, that deposit simply counts as a normal top-up.
The 20× wagering requirement, worked through with real numbers
Each welcome cash bonus carries a 20× wagering requirement, calculated on your deposit plus the bonus together. So you take the two amounts, add them up and multiply by 20 to get the total you need to stake before the winnings tied to that bonus can be withdrawn.
| You deposit | Bonus | Deposit + bonus | Total to wager | Bets at the £5 cap |
|---|---|---|---|---|
| £30 | £60 | £90 | £1,800 | 360 |
| £50 | £100 | £150 | £3,000 | 600 |
| £100 | £200 | £300 | £6,000 | 1,200 |
Two numbers shape how you play while that total is outstanding. The maximum stake is £5 on any single spin or bet, and the whole requirement has to be finished within 7 days of the bonus being credited. A £100 deposit at the first stage therefore means £6,000 of play in a week, which is 1,200 bets at the £5 ceiling - worth knowing before you choose how much to pay in.
Winnings that come from a welcome cash bonus are capped at £5,000 when you cash out. Smaller deposits keep the requirement comfortable: £30 in means £1,800 of play rather than £6,000, with the same rules attached.
Up to £5,400 + 200 Free Spins
Activate the stage in the Cashier, deposit £30 or more and your bonus funds and Free Spins are credited straight away.
Free Spins: what each one is worth and how fast they expire
Every welcome Free Spin is worth £0.10 and works only on the game set for its stage. Your first deposit earns 2 spins for every £1, so £50 brings 100 spins and £100 brings the full 200. Part-spins are rounded down, so the count you see is always a whole number.
The best part of the spins is the payout rule: anything you win from Free Spins is credited as cash with no wagering requirement at all. Those winnings sit in your real balance from the moment they land, separate from the 20× play-through on the cash bonus.
- Each spin is staked at £0.10 on the title assigned to that stage
- Spins expire 7 days after being credited, and unused spins are forfeited at that point
- Winnings from spins go to your cash balance with no wagering attached
- There are also up to 200 Free Spins every Thursday as a running promotion
Use the spins before the cash bonus clock runs down
Spins and bonus funds both run on 7-day timers. Playing the spins early means the cash from them is settled while you still have most of the week to work through the wagering.
Bonus codes and how a promotion gets added to your account
Most of our offers are picked up from the Promotions area once you are logged in, and the deposit-linked ones are switched on in the Cashier before you pay in. Some promotions ask for a bonus code during the deposit step instead; where that applies, the code is shown with the offer itself, and you type it into the field in the Cashier as you deposit.
At Great Slots Casino the order matters more than the code. Activate or enter, then deposit, then play - in that sequence, the bonus funds, Free Spins or free bet attach to the deposit without you having to contact anyone.
- Log in and open the promotion you want
- Switch it on in the Cashier, entering a code there if the offer asks for one
- Make your qualifying deposit of £30 or more
- Check that the bonus and spins show in your balances before you start playing
No deposit bonus: the offers you can take without a fresh top-up
A standalone no deposit bonus is not among our current promotions. What we do run are offers that give you extra value without asking for a new deposit each time: daily and weekly prize pools you can enter from normal play, cash rewards on crash games, and demo mode on a large part of the library so you can try a title with no money staked.
- New £100 prize pool every day, open as an ongoing promotion
- Cash for Crash - up to £100 a day in cash rewards for playing crash games
- £1,000 prize pool every week, with up to £500 to win weekly
- Demo mode on a large share of our games, so you can play for free before staking anything
Open your account today
If you are weighing up a no deposit offer anywhere, the figures to look for are the same ones we publish for our own bonuses: the wagering multiplier and what it is calculated on, the maximum stake allowed while you clear it, how long you have, and whether winnings are capped. Those four numbers decide what an offer is actually worth to you.
Weekly cashback on slots and the prize pools that keep running
Our 10% weekly cashback applies to slots play and pays up to £5,000 per week. It works on your weekly losses, so a £200 net loss across slots in a week returns £20, and a £1,000 net loss returns £100. The cap means the most any single week can return is £5,000.
Alongside cashback there are prize pools on a daily and weekly cycle, plus our Win With Kevin Hart promotion, which carries a total pot of £1,250,000. Football fans can also enter MatchX, where correct predictions share a £5,000 prize pool.
| Promotion | What you get |
|---|---|
| Weekly slots cashback | 10% of weekly losses, up to £5,000 a week |
| Thursday Free Spins | Up to 200 Free Spins |
| Weekly prize pool | £1,000 pool, up to £500 to win |
| Daily prize pool | A new £100 pool every day |
| Cash for Crash | Up to £100 a day on crash games |
| Win With Kevin Hart | £1,250,000 prize pool |
| MatchX | A share of £5,000 for football predictions |
Free bets on the sportsbook and the odds boosts that go with them
On the betting side we run a free bet every Monday, up to £1,000, and Football Frenzy, which returns your football multibet stake as a free bet worth up to £100. Our markets cover football, tennis, basketball, MMA, cricket, esports and virtual sports.
Our free bets are OnlyWin free bets, which means they return your net winnings and not the stake. A £150 free bet at odds of 2.0 pays back £150. Knowing that changes how you pick a market: longer odds give the free bet more to work with.
- A free bet must be used in full as the stake of one wager - it cannot be split, part-used or topped up with your own cash
- Total odds must be 1.5 or higher; on a multiple the combined odds have to reach 1.5
- Free bets expire 7 days after crediting, and an unused free bet is forfeited
- Winnings from a free bet are credited as cash with no wagering requirement
- Cash-out is not available on a bet placed with a free bet
- If a free bet wager is voided or cancelled, the free bet is put back with its original expiry date
Big games, big bonuses
Three extras sit on top of normal betting: Comboboost adds up to 2x on multiples and grows with the number of selections, Boosted Odds lifts the price on selected events, and Early Payout settles your bet as a full win before the event finishes. Basketball bettors also get Lead & Win, which pays your bet as a winner once your team leads by 20 points, whatever the final score.
The rules that apply across our bonuses
Here are the terms that shape every deposit bonus we offer, in one place, so you can check a number without hunting for it.
| Term | What applies |
|---|---|
| Wagering requirement | 20× deposit + bonus |
| Maximum bet while wagering | £5 per spin or bet |
| Time to complete wagering | 7 days from the bonus being credited |
| Maximum cashout on welcome bonus winnings | £5,000 |
| Minimum qualifying deposit | £30 at each stage |
| Activation | In the Cashier, before the deposit |
| Free Spin value | £0.10, on the game set for that stage |
| Free Spins and free bet winnings | Paid as cash, no wagering |
| Free Spins and free bet validity | 7 days, then forfeited |
We can amend, suspend or withdraw a promotion at any time. If a change happens, it does not affect free bets that are already sitting in your account. Where our promotion terms exist in more than one language, the English version is the one that applies.
Ready to start with up to £5,400 + 200 Free Spins?
Activate the first stage in the Cashier, deposit £30 or more, and keep your stakes at or under £5 while you clear the 20× wagering.
One account, fair play and keeping your gambling in check
The welcome package is one claim per person, account, household, IP address and device, and each player may hold one account on the site. Duplicate accounts can be closed, and multiple or third-party accounts are not allowed for betting - wagers placed through them are void. Automated systems such as scanners or bots are not permitted, and bets placed with them can be cancelled. Where there is evidence of bonus abuse, multiple accounts or a breach of our terms, we may withhold or reclaim free bets and the winnings from them.
We hold a gaming licence and verify every account before a first withdrawal. Your personal and payment details are protected with advanced encryption, and our games run on a certified Random Number Generator that is independently audited for fairness. You must be 18 or over to hold an account.
Bonuses are there to make the entertainment last longer, not to guarantee anything: every bet carries real risk and money you stake can be lost. You can set deposit limits, turn on reality checks or use self-exclusion at any time, and our support team is on live chat, email and phone 24/7 if you want help putting a break in place. We also signpost GamCare, BeGambleAware, Gamblers Anonymous and the National Council on Problem Gambling for free, confidential advice.
Bonuses: questions and answers
Do I need a promo code for the welcome package?
The welcome stages are switched on in the Cashier before you deposit rather than claimed with a code. Where one of our other promotions does need a code, it is shown with the offer and you enter it during the deposit step.
Is there a no deposit bonus?
A standalone no deposit bonus is not part of our current line-up. You can still take the daily £100 prize pool, Cash for Crash rewards of up to £100 a day, and demo mode on a large part of our game library without staking anything.
How much do I need to wager before I can withdraw bonus winnings?
Twenty times your deposit plus the bonus. A £100 first deposit with a £200 bonus makes £300, so the requirement is £6,000 of play, and it has to be finished within 7 days.
How much can I stake while I am clearing a bonus?
£5 is the most you can put on any single spin or bet while a bonus is being wagered, so plan a longer session of smaller stakes rather than a few big ones.
Do Free Spins winnings come with wagering?
No. Anything you win from Free Spins is credited straight to your cash balance with no wagering requirement attached.
How long do Free Spins and free bets last?
Both expire 7 days after they are credited. Unused spins and an unused free bet are forfeited at that point, so it is worth using them early in the week.
Is there a limit on what I can take out of welcome bonus winnings?
Yes, winnings from the welcome cash bonus are capped at £5,000 when you cash out. Free Spins winnings are paid as ordinary cash.
Can I use part of a free bet and keep the rest?
No, a free bet must be used in full as the stake of a single wager at total odds of 1.5 or higher, and it cannot be mixed with your own funds. It returns your net winnings, not the stake.
