Best Online Slot Sites Highest RTP
Ranked by average RTP, free spins offers, and game library size. Only licensed casinos with audited, certified slot games.
Most popular slots right now
| # | Game | Provider | RTP | Volatility |
|---|---|---|---|---|
| 1 | Gates of Olympus | Pragmatic Play | 96.5% | High |
| 2 | Sweet Bonanza | Pragmatic Play | 96.47% | High |
| 3 | Dog House Megaways | Pragmatic Play | 96.55% | High |
| 4 | Wanted Dead or a Wild | Hacksaw Gaming | 96.38% | High |
| 5 | Starburst | NetEnt | 96.09% | Low |
| 6 | Book of Dead | Play'n GO | 96.21% | High |
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8 Best Slot Sites — Ranked by RTP
BitStarz
Welcome Bonus
100% up to €500 + 180 Free Spins
+ 180 Free Spins
20 Free Spins No Deposit
40x wagering · Min deposit $20
Games
4,000+
Withdrawal
0–10 min (crypto)
Est.
2014
18+ · Gamble Responsibly · T&Cs Apply
888 Casino
Welcome Bonus
100% up to £200
+ 88 Free Spins
£88 No Deposit Bonus
30x wagering · Min deposit $10
Games
1,000+
Withdrawal
1–5 days
Est.
1997
18+ · Gamble Responsibly · T&Cs Apply
Your Brand Here
300×250 · Premium placement
12K+
monthly views
4.8%
avg CTR
iGaming
audience
Click to enquire · Limited slots
What is RTP?
Return to Player (RTP) is the percentage of all wagered money a slot pays back over time. A 96.5% RTP means £96.50 back per £100 wagered on average. Higher is better for players.
18+ · Gamble Responsibly · RTP figures sourced from game providers. BeGambleAware.org