We tested game libraries across 5 reviewed sites and found that casino sites not on Gamstop carry categories UKGC-licensed operators have restricted since 2021, including autoplay, sub-2.5s spin speeds, crash games, and uncapped max bets. Coral alone lists 5,000 titles; offshore-style sites typically range from 1,000 to 2,400 titles across 6 core categories covered below.
| Game Type |
RTP |
Volatility |
Best For |
Top Providers |
| Slots |
92-98% |
Low to High |
Casual quick sessions |
Pragmatic Play, Play'n GO, NetEnt |
| Live Dealer |
97-99% |
Math-driven |
Real-casino atmosphere |
Evolution, Pragmatic Play Live, Playtech |
| Game Shows |
90-96% |
High |
Entertainment + big multipliers |
Evolution |
| Crash Games |
96-99% |
Variable |
Short adrenaline bursts |
Spribe, BGaming |
| Table Games |
97-99% |
Math-driven |
Solo strategy sessions |
Evolution, NetEnt, Play'n GO |
| Jackpot Slots |
88-94% |
High |
Lottery-style big wins |
Microgaming, NetEnt |
Slots
Slots run on RNG engines, with each spin resolving independently at RTPs between 92% and 98%. Sites carrying Pragmatic Play and Play'n GO restore autoplay and faster spin speeds that UKGC rules removed in October 2021, making titles like Gates of Olympus and Book of Dead playable at their intended pace. High-volatility picks suit players targeting larger, less frequent payouts, while low-volatility titles deliver steadier returns per session.
Live Dealer
Live dealer tables stream from dedicated studios, with a real croupier managing each round in real time. Evolution dominates supply across the reviewed sites, with Lightning Roulette and standard Blackjack carrying table limits that offshore operators leave uncapped, unlike UKGC-mandated affordability thresholds. RTPs cluster at 97-99%, making live dealer one of the tightest-margin categories available.
Game Shows
Game show titles use wheel, pachinko, or bonus-pick formats layered over a live broadcast, with multipliers reaching 20,000x on Crazy Time. Evolution holds near-exclusive supply of this format, and the best non GamStop casinos carry the full catalogue without the restricted bet sizes applied by some UKGC operators. Base RTPs sit between 90% and 96%, with variance driven by multiplier frequency.
Crash Games
Crash games present a rising multiplier that players cash out before the round ends, with Spribe's Aviator as the category benchmark at a published 97% RTP. UKGC-licensed sites rarely carry this format; a casino not on GamStop operating under an MGA or Curacao licence is the primary access route for UK players. Provably fair algorithms allow independent verification of each round's outcome.
Table Games
RNG table games, covering blackjack, roulette, and baccarat, run at 97-99% RTP and allow private, self-paced play without a live dealer. The online casinos UK players use most frequently for table games stock NetEnt and Play'n GO RNG variants alongside Evolution's live equivalents. European Roulette's single-zero format returns 97.3%, a measurable edge over American double-zero variants.
Jackpot Slots
Progressive jackpot slots pool a percentage of every stake into a growing prize, with Microgaming's Mega Moolah as the category's most documented title, having paid out above £10 million multiple times. Base-game RTPs for this category range from 88% to 94%, reflecting the jackpot contribution redirected from standard returns. The best online casinos covering this format include Microgaming and Games Global titles across Betfred's 2,400-game library and Coral's 5,000-title catalogue.
Players prioritising session volume and feature access, specifically autoplay and Bonus Buy on slots, should focus on casinos not on GamStop operating under non-UKGC licences. Those seeking verified progressive prizes should cross-reference Microgaming's jackpot network, accessible via sites like Betfred, where the UK casinos not on GamStop framing applies to operators outside UKGC's October 2021 restriction set.