Best high-RTP slots (2026)
- The highest default RTP in our database is Goblin's Cave (Playtech) at 99.32%, but only at max or Ante bet; the highest at any stake is Ugga Bugga (Playtech) at 99.07%, a fixed build, followed by Book of 99 (Relax Gaming) at a flat 99.00% (provider game data, verified July 2026).
- Of the 50 slots in the table, 14 have a fixed RTP, 29 are configurable (the casino can run a lower certified build) and 7 are bet-dependent (headline RTP only at max or Ante bet).
- The deepest discount on this list is Big Bad Wolf (Quickspin), certified from 97.34% down to 90.01%; Wild Wild Riches (Pragmatic Play) can run as low as 90% against a 96.77% default.
- Everything from about 96.5% up is excellent by current standards, and the UK online-slot average sits around 96%; the genuine 99% club is five titles, mostly old-school designs with few features.
- Low-volatility, high-RTP titles such as Blood Suckers (98%) and 1429 Uncharted Seas (98.60%) stretch a bankroll best, and are the ones casinos most often exclude or weight at 10–20% on bonus wagering.
Updated 6 October 2026.
RTP (return to player) is the share of all wagers a slot is built to pay back over the long run — so a higher number means a smaller built-in house edge. Below are the highest-RTP slots in our database, every figure taken from the provider's own data, with the catch that most sites hide spelled out in plain sight.
The genuine 99%+ club is tiny and mostly old-school: Mega Joker, Book of 99, Ugga Bugga and a few others trade flashy features for a razor-thin edge. Everything from ~96.5% up is excellent by modern standards; below ~96% you're paying a noticeably bigger toll for the same entertainment. Sort the table by what matters to you — pure RTP for grinding a bonus, or max win if you're chasing a top-end hit (the two rarely come together).
Which slots have the highest RTP? (50 slots, highest RTP first)
Goblin's Cave at 99.32% (max bet only), Ugga Bugga at 99.07%, Book of 99, Ooh Aah Dracula and Mega Joker at 99%, then Jackpot 6000 at 98.90% and 1429 Uncharted Seas at 98.60%. Below the 99% club the list runs through Blood Suckers and Mahjong Wins at 98% down to the 96% floor, with every configurable title flagged and its lowest certified build named.
All ≥96% default RTP, highest first. "Config." = the casino can run a lower build; "bet-dep." = headline RTP only at max/Ante bet; "Fixed" = the same everywhere.
| Slot | Provider | Default RTP | Volatility | Max win | Note | Source / verified |
|---|---|---|---|---|---|---|
| Goblin's Cave | Playtech | 99.32% bet-dep. | Medium | 150x | Headline only at max/Ante bet | Playtech game data · Jul 2026 |
| Ugga Bugga | Playtech | 99.07% Fixed | Low | 1,000x | Fixed RTP, lower variance | Playtech game data · Jul 2026 |
| Book of 99 | Relax Gaming | 99% Fixed | High | 12,075x | Fixed RTP | Relax Gaming game data · Jul 2026 |
| Ooh Aah Dracula | Barcrest | 99% bet-dep. | Medium | 5,000x | Headline only at max/Ante bet | Barcrest game data · Jul 2026 |
| Mega Joker | NetEnt | 99% bet-dep. | High | 200x | Headline only at max/Ante bet | NetEnt game data · Jul 2026 |
| Jackpot 6000 | NetEnt | 98.90% bet-dep. | High | 600x | Headline only at max/Ante bet | NetEnt game data · Jul 2026 |
| 1429 Uncharted Seas | Thunderkick | 98.60% Fixed | Low-Med | 2,275x | Fixed RTP, lower variance | Thunderkick game data · Jul 2026 |
| Marching Legions | Relax Gaming | 98.12% Config. | High | 10,000x | Configurable — as low as 97.13% | Relax Gaming game data · Jul 2026 |
| Mahjong Wins | Pragmatic Play | 98% Config. | High | 5,000x | Configurable — as low as 95.48% | Pragmatic Play game data · Jul 2026 |
| Blood Suckers | NetEnt | 98% Fixed | Low | 1,014x | Fixed RTP, lower variance | NetEnt game data · Jul 2026 |
| Jokerizer | Yggdrasil | 98% bet-dep. | High | 600x | Headline only at max/Ante bet | Yggdrasil game data · Jul 2026 |
| Rainbow Riches Pick'n'Mix | Barcrest | 98% bet-dep. | Medium | 500x | Headline only at max/Ante bet | Barcrest game data · Jul 2026 |
| Starmania | NextGen Gaming | 97.87% Fixed | Low | 500x | Fixed RTP, lower variance | NextGen Gaming game data · Jul 2026 |
| Kings of Chicago | NetEnt | 97.80% Fixed | High | 13,000x | Fixed RTP | NetEnt game data · Jul 2026 |
| Good Girl, Bad Girl | Betsoft | 97.79% Fixed | Medium | 7,800x | Fixed RTP | Betsoft game data · Jul 2026 |
| White Rabbit Megaways | Big Time Gaming | 97.72% Config. | High | 13,000x | Configurable — as low as 97.24% | Big Time Gaming game data · Jul 2026 |
| Devil's Delight | NetEnt | 97.60% Fixed | Medium | 1,000x | Fixed RTP | NetEnt game data · Jul 2026 |
| Couch Potato | Microgaming | 97.43% Fixed | Medium | 1,500x | Fixed RTP | Microgaming game data · Jul 2026 |
| Fruit Million | BGaming | 97.34% Config. | Medium-High | 3,000x | Configurable — as low as 95% | BGaming game data · Jul 2026 |
| Big Bad Wolf | Quickspin | 97.34% Config. | Med-High | 1,225x | Configurable — as low as 90.01% | Quickspin game data · Jul 2026 |
| Lucky Lady's Clover | BGaming | 97.31% Config. | Low | 10,000x | Configurable — as low as 96% | BGaming game data · Jul 2026 |
| Hit the Route | BGaming | 97.18% Config. | Medium | 4,588x | Configurable — as low as 96% | BGaming game data · Jul 2026 |
| Gemhalla | BGaming | 97.17% Config. | Very High | 5,000x | Configurable — as low as 96% | BGaming game data · Jul 2026 |
| Wild Tiger | BGaming | 97.16% bet-dep. | Low-Medium | 3,000x | Headline only at max/Ante bet | BGaming game data · Jul 2026 |
| Book of Pyramids | BGaming | 97.13% Config. | Medium-High | 1,939x | Configurable — as low as 95.97% | BGaming game data · Jul 2026 |
| Jack Hammer 2: Fishy Business | NetEnt | 97.07% Fixed | Low-Med | 800x | Fixed RTP, lower variance | NetEnt game data · Jul 2026 |
| Steam Tower | NetEnt | 97.04% Fixed | Medium | 1,000x | Fixed RTP | NetEnt game data · Jul 2026 |
| Wild Swarm | Push Gaming | 97.03% Config. | Med-High | 3,069x | Configurable — as low as 94.67% | Push Gaming game data · Jul 2026 |
| Book of Cats | BGaming | 96.99% Config. | Very High | 8,202x | Configurable — as low as 95% | BGaming game data · Jul 2026 |
| Aztec Magic Megaways | BGaming | 96.96% Config. | Very High | 12,960x | Configurable — as low as 95% | BGaming game data · Jul 2026 |
| Aztec Magic Deluxe | BGaming | 96.96% Config. | Low | 5,000x | Configurable — as low as 95% | BGaming game data · Jul 2026 |
| Mahjong Ways 2 | PG Soft | 96.95% Fixed | Medium | 100,000x | Fixed RTP | PG Soft game data · Jul 2026 |
| Blood Suckers 2 | NetEnt | 96.94% Fixed | Medium | 1,298x | Fixed RTP | NetEnt game data · Jul 2026 |
| Immortal Romance | Microgaming | 96.86% Config. | High | 12,150x | Configurable — as low as 92.10% | Microgaming game data · Jul 2026 |
| Jammin' Jars | Push Gaming | 96.83% Config. | High | 20,000x | Configurable — as low as 94.18% | Push Gaming game data · Jul 2026 |
| Dead or Alive 2 | NetEnt | 96.82% Fixed | High | 100,000x | Fixed RTP | NetEnt game data · Jul 2026 |
| Extra Chilli | Big Time Gaming | 96.82% Config. | High | 20,000x | Configurable — as low as 96.15% | Big Time Gaming game data · Jul 2026 |
| Gemix | Play'n GO | 96.77% Config. | Medium | 6,025x | Configurable — as low as 94.78% | Play'n GO game data · Jul 2026 |
| Wild Wild Riches | Pragmatic Play | 96.77% Config. | High | 4,608x | Configurable — as low as 90% | Pragmatic Play game data · Jul 2026 |
| Big Bass Splash | Pragmatic Play | 96.71% Config. | High | 5,000x | Configurable — as low as 94.60% | Pragmatic Play game data · Jul 2026 |
| Floating Dragon | Pragmatic Play | 96.71% Config. | High | 5,000x | Configurable — as low as 94.62% | Pragmatic Play game data · Jul 2026 |
| Big Bass Christmas Bash | Pragmatic Play | 96.71% Config. | High | 5,000x | Configurable — as low as 94.60% | Pragmatic Play game data · Jul 2026 |
| Bigger Bass Bonanza | Pragmatic Play | 96.71% Config. | High | 4,000x | Configurable — as low as 94.62% | Pragmatic Play game data · Jul 2026 |
| Big Bass Bonanza | Pragmatic Play | 96.71% Config. | High | 2,100x | Configurable — as low as 94% | Pragmatic Play game data · Jul 2026 |
| Hot to Burn | Pragmatic Play | 96.71% Config. | Medium | 1,000x | Configurable — as low as 94.65% | Pragmatic Play game data · Jul 2026 |
| Razor Shark | Push Gaming | 96.70% Config. | High | 50,000x | Configurable — as low as 90.52% | Push Gaming game data · Jul 2026 |
| Hot to Burn Hold and Spin | Pragmatic Play | 96.70% Config. | High | 20,000x | Configurable — as low as 94.61% | Pragmatic Play game data · Jul 2026 |
| Joker Troupe | Push Gaming | 96.68% Config. | High | 25,367x | Configurable — as low as 94.40% | Push Gaming game data · Jul 2026 |
| Wild Swarm 2 | Push Gaming | 96.67% Config. | High | 10,000x | Configurable — as low as 88.79% | Push Gaming game data · Jul 2026 |
| Fat Banker | Push Gaming | 96.65% Config. | High | 25,000x | Configurable — as low as 95.44% | Push Gaming game data · Jul 2026 |
Want the maths behind the number? Our what is RTP guide explains the house edge, and why RTP changes by casino covers the configurable-build trap in depth. To see which build specific casinos actually run — measured monthly, every reading dated — check the RTP Version Tracker.
FAQ
What is a good RTP for an online slot?
Anything from about 96% upward is good by modern standards; 97%+ is excellent and 99%+ is rare. The UK online-slot average sits around 96%. Remember the figure is a long-run average: a 96% slot keeps 4% of total wagers over millions of spins, not 4% of your session.
What is the highest RTP slot?
Goblin's Cave (Playtech) tops our database at 99.32%, but only at max or Ante bet. At any stake the highest is Ugga Bugga at 99.07%, followed by Book of 99 at a flat 99.00%. Mega Joker also reaches 99% but only at max coin in Supermeter mode; below that it pays far less.
Does a high RTP mean I will win?
No. RTP only describes the long-run theoretical return; the house edge always remains and short-term variance dominates any single session. High RTP makes the odds less bad, never good. Treat slots as paid entertainment, not income.
Why does the same slot show a different RTP at different casinos?
Many studios (NetEnt, Play'n GO, Pragmatic, Hacksaw, Nolimit and others) ship a slot in several certified RTP builds and let the casino choose which to run, sometimes several points below the headline. That is why 29 of the 50 slots here are flagged configurable and why we tell you to check the in-game paytable; our configurable RTP guide lists the ladders.