Coop Clash Slot Review

Coop Clash is a 7x7 cluster slot from Bullshark Games, released on 4 February 2025 and built and distributed on Hacksaw Gaming's OpenRGS platform. The premise is a farmyard skirmish: General Rabbit is raiding the henhouse for eggs, the chickens fight back, and the mechanical consequence of all that is a grid full of hopping wilds that collect multipliers. The headline figures are a default RTP of 96.15%, a hit frequency of 29.27%, a maximum win of 12,000x the stake and a volatility rating of 4 out of 5 on the studio's own scale. The demo above runs the studio's free-play build with a play-money balance, so you can watch the wild behaviour and the cascade sequencing without staking anything. That matters more here than in most cluster games, because the multiplier logic only makes sense once you have seen it resolve a few times. 18+ only.

How the game plays

There are no paylines and no ways. Wins are formed by five or more connecting symbols of the same type anywhere on the 7x7 field, which gives you 49 positions to work with and a clustering surface considerably more forgiving than a 6x5 grid. Winning symbols are removed and new ones cascade in, and the chain continues until no new cluster forms.

• The important structural detail is how the game accountsevery base win from every cascade in a single spin is summed into a Total Win for that spin, and only then is the accumulated multiplier applied to that total. That is a meaningfully different shape of maths from games that multiply each individual cascade. It front-loads nothing and back-loads everything, so a spin that drips out four small clusters and then settles with a healthy multiplier pays considerably better than the same four clusters paid separately. The win multiplier resets with every new spin, so there is no carry-over between spins in the base game.
• Above that sit the bonus roundsRabbit Rampage and the rarer Unstoppable Rabbit, plus BonusHunt FeatureSpins and Egg Blaster FeatureSpins as purchase routes where a casino enables them. The feature RTPs are published \u2014 BonusHunt FeatureSpins 96.32%, Egg Blaster FeatureSpins 96.26%, Rabbit Rampage 96.27% and Unstoppable Rabbit 96.35% \u2014 and all of them sit above the default base-game figure. The studio also states the 12,000x ceiling is reachable in every game mode, so no single route is the only path to the top prize.

Reading the maths

Start with the RTP versions, because this is the one thing a player can actually check and act on. Coop Clash ships at 96.15% and 94.21%, and the operator chooses which build to run. A 1.94-point gap is large \u2014 roughly a 50% increase in theoretical house edge \u2014 and it is invisible from the lobby thumbnail. Open the game's info or paytable screen at your casino and read the RTP line before you stake anything. If it says 94.21%, play something else.

The 29.27% hit rate means fewer than one spin in three returns anything, which is low for a 7x7 cluster game; compare it with 38.34% on Piggy Cluster Hunt or 33.65% on Amazing Miceketeers. Combined with cluster payouts that frequently land under stake, expect long stretches of nothing punctuated by small returns, with the real money concentrated in spins where multiple wilds survive and compound.

The bonus frequencies are where the session shape becomes clear. Any bonus arrives once in 212.3 base spins, Rabbit Rampage once in 220.9, and Unstoppable Rabbit once in 5,430.6. That last number deserves emphasis: at 500 spins an hour you would average more than ten hours of play per trigger. Natural entry into the premium round is effectively a lottery, which is plainly why the purchase routes exist \u2014 BonusHunt FeatureSpins shortens any bonus to 1 in 45.4 and Unstoppable Rabbit to 1 in 567.4. On a 212-spin average wait for any feature, a bankroll of several hundred base spins at a stake you are comfortable repeating is the minimum sensible planning assumption. At a volatility of 4 of 5, the distance between the average outcome and the advertised 12,000x is enormous; treat the ceiling as a statistical curiosity rather than a target. You can see how it sits against the rest of the range in our Bullshark Games catalogue.

Within the studio's own cluster family, Coop Clash is both the lowest default RTP and comfortably the driest. That is a deliberate trade for the compounding wild mechanic, but it is a trade, and it is worth knowing which side of it you are on before you commit a bankroll.

Who it suits and who should skip it

It suits players who enjoy watching a single spin build \u2014 wilds surviving, multipliers stacking, low symbols being stripped out \u2014 and who can absorb several hundred unremarkable spins waiting for one to assemble properly. It also suits anyone who prefers buy-in play, since every feature RTP is above the base figure and the purchase routes cut the wait dramatically.

Skip it if you want frequent small returns, if you dislike multiplier-dependent maths where a long cascade can still underpay, or if your bankroll will not comfortably cover 200-plus spins. It is not available to UK players; the sheet lists approval in Malta, Curacao, Denmark, Latvia, Spain, the Netherlands, Ontario, Romania, Greece, Georgia, Colombia and Buenos Aires Province, with the UK, Sweden, Germany, Italy, Portugal and Brazil excluded.