Below we list the best online slots bonuses currently available at casinos. These bonuses cover both traditional three-reel slots and the latest five-reel video slots. In very general terms, the older style three-reel slots offer a lower variance while playing so your bankroll does not fluctuate as much, and the video slots offer higher variance with a chance of winning a much bigger jackpot.
- Quickly jump down to the following slots bonuses:
- Cashable slots bonuses: bonuses you can keep after meeting wager requirements.
- Non-cashable (or "sticky") slots bonuses: bonuses you can wager and keep winnings, but you cannot keep the bonus.
Top cashable slots bonuses
| Rank | Casino | US | DL | Type | Max | Bonus % | Wager | Code | Software | Review |
|---|---|---|---|---|---|---|---|---|---|---|
| 1 | City Club Casino | No | Sign Up | $400 | 400% | 25xB | Playtech |  | ||
| 2 | Break Away Casino | No |  | Sign Up | $600 | 300% | 34xB | MOREWINNINGS | RTG | |
| 3 | Golden Palace Casino | No | Sign Up | $300 | 300% | 27xB | Playtech | | ||
| 4 | Online Casino | No | Sign Up | $300 | 300% | 27xB | Playtech | | ||
| 5 | SciFi Casino | No | | Sign Up | $500 | 250% | 35xB | FIRSTBONUS | RTG | |
| 6 | Vegas Palms Casino | Exc | | Sign Up | €100 £50 / $100 | 200% | 30xB | VP100 | MicroGaming | |
| 7 | Golden Riviera Casino | Exc | | Sign Up | €50 $50 | 200% | 30xB | MicroGaming | | |
| 8 | Platinum Play Casino | Exc | | Sign Up | £150 €150 / $150 | 150% | 30xB | PP400Free | MicroGaming | |
| 9 | Desert Dollar Casino | Exc | | Sign Up | £90 €90 / $90 | 150% | 30xB | DD150 | MicroGaming | |
| 10 | Vegas 7 Casino | Exc | | Sign Up | £75 €75 / $75 | 150% | 30xB | V7RBONUSS | MicroGaming | |
| 11 | River Nile Casino | Exc | | Sign Up | £60 €60 / $60 | 150% | 30xB | MicroGaming | | |
| 12 | Sun Vegas Casino | Exc | | Sign Up | £60 €60 / $60 | 150% | 30xB | MicroGaming | | |
| 13 | Maple Casino | Exc | | Sign Up | $60 | 150% | 30xB | MicroGaming | | |
| 14 | Pantasia Casino | All | | Sign Up | $777 | 100% | 24xB | Rival | | |
| 15 | Golden Casino | All | Sign Up | $555 | 100% | 20xB | Odds On | | ||
| 16 | All Jackpots Casino | Exc | | Sign Up | £200 €200 / $200 | 100% | 30xB | MicroGaming | | |
| 17 | Cinema Casino | Exc | | Sign Up | £200 €200 / $200 | 100% | 30xB | MicroGaming | | |
| 18 | Platinum Play Casino | Exc | | 2nd Deposit | €250 | 100% | 30xB | PP400Free2 | MicroGaming | |
| 19 | Mansion Casino | No | Sign Up | £150 | 100% | 25xB | Playtech | | ||
| 20 | InterCasino | No | Sign Up | $225 | 100% | 21xB | WSLOTMY | Cryptologic | | |
| 21 | Golden Riviera Casino | Exc | | Sign Up | €150 $150 | 100% | 30xB | MicroGaming | | |
| 22 | Blue Square Casino | No | Monthly | €150 £75 / $150 | 100% | 35xB | slots | Wagerworks | | |
| 23 | Ladbrokes Casino | No | Sign Up | £100 | 100% | 4xB | MicroGaming | | ||
| 24 | Casino On Net | No | Sign Up | $200 | 100% | 20xB | Random Logic | | ||
| 25 | Commodore Casino | No | | Sign Up | $200 | 100% | 20xB | CGTV | | |
| 26 | Players Only | All | Monthly | $200 | 100% | 20xB | Match200 | World Gaming | | |
| 27 | Video Poker Classic Casino | No | | Sign Up | £100 €100 / $100 | 100% | 20xB | CGTV | | |
| 28 | bet365 Casino | No | Sign Up | $200 | 100% | 24xB | Playtech | | ||
| 29 | Colosseum Casino | Exc | | Sign Up | £100 €100 / $100 | 100% | 25xB | MicroGaming | | |
| 30 | Gala Casino | No | Monthly | £100 | 100% | 25xB | COLOSSEUM | Chartwell | | |
| 31 | Grand Hotel Casino | Exc | | Sign Up | £100 €100 / $100 | 100% | 25xB | HOTEL100R | MicroGaming | |
| 32 | Vegas Slot Casino | Exc | | Sign Up | £100 €100 / $100 | 100% | 25xB | MicroGaming | | |
| 33 | All Slots Casino | Exc | | Sign Up | £100 €100 / $100 | 100% | 30xB | MicroGaming | | |
| 34 | Bella Vegas Casino | Exc | | Sign Up | £100 €100 / $100 | 100% | 30xB | MicroGaming | | |
| 35 | Casino Grand Bay | Exc | | Sign Up | £100 €100 / $100 | 100% | 30xB | MicroGaming | | |
| 36 | Crazy Vegas Casino | Exc | | Sign Up | £100 €100 / $100 | 100% | 30xB | MicroGaming | | |
| 37 | Jackpot City Online Casino | Exc | | Sign Up | £100 €100 / $100 | 100% | 30xB | MicroGaming | | |
| 38 | Jupiter Club Casino | Exc | | Sign Up | £100 €100 / $100 | 100% | 30xB | MicroGaming | | |
| 39 | Lake Palace Casino | Exc | | Sign Up | £100 €100 / $100 | 100% | 30xB | MicroGaming | | |
| 40 | Lucky Emperor Casino | Exc | | Sign Up | £100 €100 / $100 | 100% | 30xB | MicroGaming | | |
| 41 | Play United Casino | No | 4th Deposit | $200 | 100% | 30xB | EFW9J | RTG | | |
| 42 | River Belle Online Casino | Exc | | Sign Up | £100 €100 / $100 | 100% | 30xB | MicroGaming | | |
| 43 | RoadHouse Reels Casino | Exc | | Sign Up | £100 €100 / $100 | 100% | 30xB | MicroGaming | | |
| 44 | Royal Vegas Casino | Exc | | Sign Up | £100 €100 / $100 | 100% | 30xB | RVFS100 | MicroGaming | |
| 45 | The Gaming Club Online Casino | Exc | | Sign Up | £100 €100 / $100 | 100% | 30xB | MicroGaming | | |
| 46 | Wild Jack Casino | Exc | | Sign Up | £100 €100 / $100 | 100% | 30xB | MicroGaming | | |
| 47 | Blue Square Casino | No | Sign Up | £75 | 100% | 25xB | Wagerworks | | ||
| 48 | VIP Casino | No | Sign Up | $150 | 100% | 25xB | WMYVIP | Cryptologic | | |
| 49 | First Web Casino | Exc | | Sign Up | £75 €75 / $75 | 100% | 30xB | MicroGaming | | |
| 50 | Play United Casino | No | Sign Up | $150 | 100% | 30xB | JYVNK | RTG | | |
| 51 | Spin Palace Casino | No | | Sign Up | £75 €75 / $75 | 100% | 30xB | MicroGaming | | |
| 52 | Vegas Country Casino | Exc | | Sign Up | £75 €75 / $75 | 100% | 30xB | VCTRY100R75 | MicroGaming | |
| 53 | InterCasino | No | Monthly | $140 | 100% | 18xB | MSLMY | Cryptologic | | |
| 54 | Vegas Joker Casino | Exc | | Sign Up | £70 €70 / $70 | 100% | 30xB | VJRBONUSS | MicroGaming | |
| 55 | Casino Club | No | | Sign Up | €100 | 100% | 18xB | Boss Media | | |
| 56 | King Neptune's Casino | Exc | Sign Up | €100 | 100% | 30xB | MicroGaming | | ||
| 57 | VIP Casino | No | Monthly | $125 | 100% | 18xB | MSLMAYVP | Cryptologic | | |
| 58 | InterCasino | No | Monthly | $110 | 100% | 25xB | MWCMY | Cryptologic | | |
| 59 | Virgin Casino | No | Sign Up | £50 | 100% | 20xB | Wagerworks | | ||
| 60 | Gala Casino | No | Sign Up | £50 | 100% | 25xB | GALANEW | Chartwell | | |
| 61 | InterCasino | No | Sign Up | $100 | 100% | 25xB | WWCMY | Cryptologic | | |
| 62 | Littlewoods Casino | No | Sign Up | £50 | 100% | 25xB | Cryptologic | | ||
| 63 | Omni Casino | No | | Monthly | $100 | 100% | 25xB | MAYSLOTS | Cryptologic | |
| 64 | Betfair Casino | No | Sign Up | £50 | 100% | 30xB | Chartwell | | ||
| 65 | Blackjack Club Casino | No | | Sign Up | £50 €50 / $50 | 100% | 30xB | CGTV | | |
| 66 | Captain Cooks Casino | Exc | | Sign Up | £50 €50 / $50 | 100% | 30xB | MicroGaming | | |
| 67 | Dash Casino | No | Sign Up | £50 | 100% | 30xB | DASH01 | MicroGaming | | |
| 68 | King Neptune's Casino | Exc | Sign Up | $100 | 100% | 30xB | MicroGaming | | ||
| 69 | Lucky Nugget Online Casino | Exc | | Sign Up | £50 €50 / $50 | 100% | 30xB | MicroGaming | | |
| 70 | Piggs Casino | No | | Sign Up | £50 €50 / $50 | 100% | 30xB | MicroGaming | | |
| 71 | Simon Says Casino | All | | Sign Up | $100 | 100% | 30xB | Rival | | |
| 72 | Yukon Gold Casino | Exc | | Sign Up | £50 €50 / $50 | 100% | 30xB | MicroGaming | | |
| 73 | Pantasia Casino | All | | Monthly | $77 | 100% | 24xB | Rival | | |
| 74 | PlayBoy Gaming Casino | No | Monthly | $75 | 100% | 18xB | MAYDCSG | Cryptologic | | |
| 75 | VIP Casino | No | Monthly | $75 | 100% | 32xB | MGNMAYVP | Cryptologic | | |
| 76 | Littlewoods Casino | No | Monthly | £25 | 100% | 25xB | Cryptologic | | ||
| 77 | PlayBoy Gaming Casino | No | Sign Up | $50 | 100% | 25xB | MAYDCNBJ | Cryptologic | | |
| 78 | Mummys Gold Casino | No | | Sign Up | £25 €25 / $25 | 100% | 30xB | MicroGaming | | |
| 79 | Ruby Fortune Casino | No | | Sign Up | £25 €25 / $25 | 100% | 30xB | MicroGaming | | |
| 80 | Simon Says Casino | All | | Weekly | $50 | 100% | 30xB | Rival | | |
| 81 | Casino Classic | Exc | | Sign Up | £20 €20 / $20 | 100% | 30xB | MicroGaming | | |
| 82 | River Nile Casino | Exc | | Sign Up | £20 €20 / $20 | 100% | 30xB | MicroGaming | | |
| 83 | Golden Riviera Casino | Exc | | Sign Up | £75 | 75% | 30xB | MicroGaming | | |
| 84 | Golden Tiger Casino | Exc | | Sign Up | £250 €250 / $250 | 50% | 30xB | MicroGaming | | |
| 85 | Video Poker Classic Casino | No | | 2nd Deposit | £250 €250 / $250 | 50% | 30xB | CGTV | | |
| 86 | Aspinalls Online Casino | Exc | Sign Up | £100 €100 / $100 | 50% | 30xB | MicroGaming | | ||
| 87 | King Neptune's Casino | Exc | Sign Up | £100 | 50% | 30xB | MicroGaming | | ||
| 88 | Pink Lady Casino | No | | Sign Up | £100 €100 / $100 | 50% | 30xB | CGTV | | |
| 89 | CasinoEuro | No | Sign Up | €111 | 50% | 30xB | Net Ent | | ||
| 90 | Aztec Riches Casino | Exc | | Sign Up | £50 €50 / $50 | 50% | 30xB | MicroGaming | | |
| 91 | Phoenician Casino | Exc | | Sign Up | $50 | 50% | 30xB | MicroGaming | | |
| 92 | Strike It Lucky Casino | Exc | Sign Up | $20 | 50% | 30xB | MicroGaming | | ||
| 93 | Blackjack Ballroom Casino | Exc | | Sign Up | £400 €400 / $400 | 40% | 30xB | MicroGaming | | |
| 94 | Virtual City Casino | Exc | | Sign Up | £40 €40 / $40 | 40% | 30xB | MicroGaming | | |
| 95 | Zodiac Casino | Exc | | Sign Up | £40 €40 / $40 | 40% | 30xB | MicroGaming | | |
| 96 | Golden Riviera Casino | Exc | | Sign Up | €350 $350 | 35% | 31xB | MicroGaming | | |
| 97 | Vegas Villa Casino | Exc | | Sign Up | £300 €300 / $300 | 30% | 30xB | VV300 | MicroGaming | |
| 98 | CasinoEuro | No | Monthly | €60 | 30% | 26xB | Net Ent | | ||
| 99 | Betsson Casino | No | Monthly | €30 | 30% | 25xB | Net Ent | | ||
| 100 | CasinoEuro | No | Monthly | €30 | 30% | 26xB | Net Ent | | ||
| 101 | Cherry Casino |