- RTP
- 96.50%
- Volatility
- High
- Released
- 2021
Zeus drops random multipliers of up to 500x; in free spins every multiplier is added to a running total.
The studio behind a game decides how it plays: its features, its volatility and how big it can pay. These are the 10 providers you’ll find at almost every crypto casino, with the games that made them famous.
We ranked studios on reach (how many casinos carry them, including the ones we review), the success of their biggest games, and the signature mechanics they brought to the industry. Every fact below links to its source.
The studio behind Gates of Olympus, Sweet Bonanza and Big Bass Bonanza — and the €100M+ Drops & Wins promotion.
Pragmatic Play is headquartered in Gibraltar and has a slots portfolio of more than 500 games, adding up to eight new slots a month. It supplies slots, live casino and other products through a single integration in 33 languages.
Zeus drops random multipliers of up to 500x; in free spins every multiplier is added to a running total.
Lollipop scatters trigger 10 free spins with candy-bomb multipliers from 2x to 100x.
In free spins, fisherman wilds reel in every money symbol on screen; every fourth wild retriggers with 2x, 3x and then 10x multipliers.
High-volatility slots with big max wins — Wanted Dead or a Wild, Le Bandit and the Chaos Crew series.
Founded in 2018, Hacksaw Gaming started out building its own remote gaming server before turning to games. Its parent, Hacksaw AB, is listed on Nasdaq Stockholm.
RTP: lower-RTP versions exist (down to 88.42%).
DuelReels: VS symbols turn into wild reels where two outlaws duel and the winner’s multiplier covers the reel. Three bonus games.
RTP: lower-RTP versions exist (down to 88.36%).
Super Cascades leave Golden Squares behind; a Rainbow symbol turns them into coins, clover multipliers and pots of gold.
RTP: lower-RTP versions exist (down to 88.28%).
The random Epic Drop gives an instant taste of the bonus, and Cranky Cat wilds carry 2x–20x multipliers.
The giant of live casino — Crazy Time, Lightning Roulette and MONOPOLY Live — and owner of NetEnt, Nolimit City and Big Time Gaming.
Founded in 2006 and listed on Nasdaq Stockholm since 2017, Evolution ran roughly 2,000 live tables at the end of 2025 and employs more than 22,000 people. Its biggest studio hubs are in Riga, Malta and Tbilisi.
Max win: top multiplier in the Crazy Time bonus game.
The Top Slot adds random multipliers each spin, and the wheel leads to four bonus games: Cash Hunt, Pachinko, Coin Flip and Crazy Time.
Max win: on a Straight Up Lucky Number.
Each round, one to five Lucky Numbers are struck by lightning and pay 50x–500x on straight-up bets.
CHANCE segments pay cash or multipliers, and the 2 ROLLS and 4 ROLLS segments send MR. MONOPOLY around a 3D board.
Extreme-volatility slots with dark themes and record max wins — San Quentin, Mental and Tombstone R.I.P.
Nolimit City was founded in 2014 and has been part of Evolution since 2022. Its games run on a platform built entirely in-house, which supports social features such as spin replays.
Bonus symbols unlock Enhancer Cells that can reveal wilds, Razor Splits or xWays symbols; the top win is tied to the Psycho Manhunt bonus.
Combines xWays®, xNudge® and the Dead Patients feature in a sepia-toned asylum.
xNudge® wilds raise the multiplier with every nudge and xSplit® wilds split symbols; the xRIP mechanic voids spins that pay less than the stake.
Home of Book of Dead and Rich Wilde — one of the most played slots in the history of online casinos.
Play’n GO is headquartered in Växjö, Sweden, and built its first gaming product in 1997 as a subcontractor. Today it has more than 400 titles and supplies regulated operators in over 35 jurisdictions; Johan Törnqvist is CEO and co-founder.
Three scatters award 10 free spins with a special expanding symbol that covers its whole reel and pays anywhere.
Cascading clusters charge the Quantum Leap meters; fill them all to unleash the giant Gargantoon wild.
On losing spins, Hades, Poseidon or Zeus step in to help; clearing the grid triggers free spins with up to a 20x multiplier.
The classic: Starburst, Gonzo’s Quest and record-breaking Mega Fortune jackpots, shaping online slots since 1996.
NetEnt has “shaped the online video slot experience” since 1996, according to Evolution, which completed its acquisition of the studio on 1 December 2020.
The Starburst Wild expands over its whole reel and triggers a respin.
Avalanche™ replaces spinning reels; multipliers climb to 5x in the base game and 15x in the Free Fall free spins.
Three bonus symbols start a wheel bonus with three progressive jackpots.

A small studio with big hits — Big Bamboo, Jammin’ Jars and Razor Shark — now majority-owned by MGM’s LeoVegas.
Push Gaming was founded in 2010 and has offices in London and Malta. MGM-owned LeoVegas Group completed the purchase of a majority stake in September 2023, with co-founders James Marshall (CEO) and Winston Lee (COO) staying on.
Max win: highest win observed by the studio, not a hard cap. RTP: lower-RTP versions exist (down to 94.13%).
Mystery Stacks can reveal Golden Bamboo, which awards a respin with instant prizes up to 5,000x and multipliers up to 10x.
Max win: highest win observed by the studio, not a hard cap. RTP: lower-RTP versions exist (down to 94.25%).
Jam Jar wilds carry multipliers that apply to every win they join; the random Rainbow feature drops giant fruits.
RTP: lower-RTP versions exist (down to 94.06%).
Golden Shark symbols trigger Razor Reveal, turning mystery symbols into mini-reels that pay 1x–2,500x.
The Money Train franchise and the Dream Drop jackpot network, plus thousands of partner-studio games.
Relax Gaming was founded in 2010 by Patrik Österåker and Jani Tekoniemi to simplify game distribution, and began making its own games in 2018. It is owned by the French gambling group FDJ United.
RTP: third-party figure — Relax publishes no default RTP.
The Money Cart Bonus Round with Collector, Payer, Sniper and Necromancer symbols; filling a reel unlocks an extra column.
RTP: third-party figure; Relax lists 94% and 90% alternative versions.
New persistent Money Cart symbols — the Shapeshifter, Absorber and Tommy Gun — and four Bonus Buy options.
RTP: third-party figure — Relax publishes no RTP.
Sticky-symbol respins in the base game, and a Money Cart round with new Arms Dealer, Unlocker, Upgrader and Reset symbols.

The inventor of Megaways™ — up to 117,649 ways to win — and the studio behind Bonanza and Extra Chilli.
Big Time Gaming was founded in 2011 by Nik Robinson in Sydney, Australia. Its Megaways™ mechanic debuted in 2016 with Bonanza, offers up to 117,649 ways to win and is licensed to many other developers.
Max win: per Evolution’s game page.
The first Megaways game: cascading Dual Reaction symbols, and spelling G-O-L-D awards 12 free spins.
Max win: per Evolution’s game page.
Feature Drop lets you buy free spins at any time, and the Free Spins Gamble can push you to 24 spins with an unlimited multiplier.
Buy the feature at a price that falls with every coin collected; cake symbols extend the reels to 248,832 ways.
A crypto-casino favourite: provably fair games, Plinko and the Elvis Frog series.
BGaming launched as a brand in 2018, building on work its team began in 2012. Its company, Stable Games Ltd, is based in Valletta and holds a Malta Gaming Authority licence; it supplies 250+ games to more than 3,000 online casinos.
Free spins plus a Coin Respin feature with Mini, Major and Mega jackpots.
Drop balls through a peg pyramid into multiplier slots; every round can be verified as provably fair.
Wilds triple the win, scatters trigger 10 retriggerable free spins, and the game supports Provably Fair.
RTP is the theoretical return published by the studio. Many games come in several RTP versions and each casino chooses which one to run — check the game’s info screen before you play.
| # | Game providers | Founded | Owner | Signature mechanic | Top game |
|---|---|---|---|---|---|
| 1 | Pragmatic Play | Not verified | Investor group led by Veridian (Gibraltar) Ltd | Drops & Wins | Gates of Olympus |
| 2 | Hacksaw Gaming | 2018 | Hacksaw AB (Nasdaq Stockholm: HACK) | DuelReels™ | Wanted Dead or a Wild |
| 3 | Evolution | 2006 | Evolution AB (Nasdaq Stockholm: EVO) | Live game shows | Crazy Time |
| 4 | Nolimit City | 2014 | Evolution (since 2022) | xWays® | San Quentin xWays |
| 5 | Play'n GO | Not verified | — | Rich Wilde series | Book of Dead |
| 6 | NetEnt | 1996 | Evolution (since 2020) | Avalanche™ | Starburst |
| 7 | Push Gaming | 2010 | LeoVegas Group / MGM Resorts (majority stake, since 2023) | Mystery Stacks | Big Bamboo |
| 8 | Relax Gaming | 2010 | FDJ United | Money Cart Bonus Round | Money Train 2 |
| 9 | Big Time Gaming | 2011 | Evolution (since 2021) | Megaways™ | Bonanza |
| 10 | BGaming | 2018 | — | Provably Fair | Elvis Frog in Vegas |
A studio that designs and builds casino games — slots, live dealer games, crash games — and licenses them to online casinos. The casino runs the game, but the provider decides its maths, features and look.
Not always. Many studios release a game in several RTP versions and the casino picks which one to offer. The RTP shown here is the one published by the studio; the game’s own info screen shows the version you are playing.
Volatility describes how a slot pays: low-volatility games pay small wins often, high-volatility games pay less often but can pay much bigger wins. It doesn’t change the RTP.
The largest win a game can pay on a single spin or round, shown as a multiple of your bet. It is a cap, not a likely result.
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