Check Mate by Donut Gaming: Is this the slot to play right now?

Fariha Bhatti Published 06/05/2026

Check Mate looks like a cross between a chessboard and an arcade game, and somehow, that combination works perfectly. This is a tumble slot that pulls you in fast and doesn’t let go easily, offering major potential wins — and it has just gone live at Stake.

If you’ve been missing clean-looking slot games with a calming sound design, Check Mate might be the one to check out next. Lately, providers have been churning out loud numbers that pay big, but the visuals can be a bit much. Check Mate keeps things simple and modern with a chessboard that, if you blink fast enough, looks almost like joysticks on an arcade game.

Donut Gaming’s tumble slot is colorful, yet muted, and when it comes to pay scale, Check Mate can surprise you. Here’s all you need to know about the Stake-exclusive online slot.

Check Mate gameplay and features explained

The design of online slot Check Mate is such that it rewards patient bettors who don’t mind lengthy sessions. The game carries a theoretical RTP of 98% across all modes, with a maximum win cap of 10,000x the bet. On paper, it sounds highly rewarding. But, if you plan on tapping out quickly, Check Mate may not be your cup of tea, despite being an enhanced RTP slot.

Check Mate is a 5×5 payline-based slot with a tumble mechanic, in which cell multipliers shine the most. Random cells on the grid hold multiplier values ranging from x2 to x1000. This value can be boosted if you can afford the Bonus Buy, which is priced between x100 the base bet to x1000. The investment may be worth it since those global multipliers can become sticky during a bonus.

At the end of every round, your base win gets multiplied by whatever the global multiplier has climbed to. That means, the more you spin, the more chances of the multiplier climbing high. It’s not a ground-breaking idea, but is one that bettors are quite familiar with, which is why it works.

Winning combinations are formed by landing 3, 4, or 5 matching symbols on consecutive reels from the leftmost reel across 15 paylines. Every win triggers an explosion of matched symbols, with new ones tumbling in from above. That means, a single round can chain multiple consecutive wins. The key to winning big in Check Mate is to hold on tight even when a session looks doomed, though, of course, be sure to stick to your set budget.

Game symbols

The symbol lineup is split into two tiers. The premium tier features four chess piece-inspired symbols: the Gold Crown, the Red Rook, the Purple Chest, and the Blue Knight. These pay anywhere from 1.5x up to 50x depending on how many land on a payline. Below that sits a lower tier of five colored pawn-like symbols, each carrying smaller but still decent pay values starting from 0.2x at the low end.

The great thing about Check Mate is that when a session slows down, it doesn’t just stall and wait for you to spin again. The moment no winning lines remain on the grid, two special feature symbols step in automatically.

Online slot Check Mate features. Image credit: Donut Gaming

Feature 1: Explodes its own cell plus up to 4 orthogonal neighbors in a plus shape. May place new multipliers on destroyed cells. Any multipliers already on exploded cells are collected and added to the global multiplier.
Feature 2: Explodes a larger diamond pattern of up to 13 cells, a 3×3 block with 4 cardinal extensions at distance 2. Has a higher chance of placing new multipliers than Feature 1, with the same slot multiplier collection rules applying.

After either feature triggers, the grid tumbles and new symbols fall in. The round doesn’t end until there are no wins and no feature symbols left on the grid. While Check Mate looks quite rewarding on paper, it plays even better if you can spend some extra to cash to buy the Bonus features.

How does Check Mate’s bonus work?

Check Mate has four levels to its bonus, and they are all quite different.

The Bonus triggered in exchange of x100 the base bet offers 10 Free Spins. It has no retriggers available to justify the low cost, but 25% chances of cell-multiplier placement feature triggering make it a decent option for thrifty bettors. This is a good option for those looking to pace up their Check Mate session without investing their entire bankroll.

Online slot Check Mate features. Image credit: Donut Gaming

For double the cost, bettors can secure Super Bonus, which offers a sticky global multiplier. Late spins can see the global multiplier reach anywhere between x50 and x200, which makes every connection in the final spins significantly more valuable. For x200 the base bet, Super Bonus is also a pretty good option to buy.

For those who can afford it, Cheatcode spin is the best option available at x500 the base bet, as it guarantees the cell-multiplier placement feature, seeding between 7 and 15 cells with multipliers ranging from x100 to x5000. Feature 1 and Feature 2 spawn rates are also boosted, and this is one of the key reasons that it is set to become popular with streamers.

Check Mate also has the Cheatcode, which can be quite volatile at x1000 the base bet, and may be a bit impractical for regular bettors. If you are after cell multipliers carrying max value of x5000, then this feature may be for you. However, at x1000 cost, Cheatcode doesn’t offer anything that valuable when compared with Cheatcode spin.

All in all, this is a unique new release from Donut Gaming that really brings memorable imagery and mechanics to Stake. Just note that it is currently exclusively available at the Bitcoin betting site.

Featured image credit: Donut Gaming

Fariha Bhatti

About Fariha Bhatti

Fariha Bhatti is a long-time gaming writer who loves competitive FPS games and slots with particularly fun themes. She got her start playing classic games developed by SNK, from legendary fighting game series The King of Fighters to challenging platform franchise Metal Slug. She now spends most of her time playing Valorant and Counter-Strike 2 while working her way through new slot releases to find her next favorite. Fariha has been published at PCGamesN, TalkEsport and ONE Esports.

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