by Pragmatic PlayReleased May 6, 2024
A 7x7 cluster pay slot where winning symbols leave multiplier spots on the grid, doubling up to x128. During free spins, those spots persist across every spin - stacking multipliers on top of multipliers.

Game Type
RTP
96.5%
Volatility
High
Max Win
5,000x
Grid
7x7
Reels
7
Rows
7
Paylines
Cluster Pays (5+ connected symbols)
Min Bet
$0.2
Max Bet
$100

Every winning symbol that explodes on the 7x7 grid leaves a mark on its position. Hit that same spot again and it picks up a x2 multiplier. Hit it a third time, x4. Fourth, x8. This keeps doubling - x16, x32, x64, up to a maximum of x128 per spot. In the base game, all spots reset when the tumble sequence ends.
Five or more connected symbols (touching horizontally or vertically) form a cluster win. Symbols explode, new ones tumble in from above, and if another cluster forms, the chain continues. Each explosion on a previously-marked spot pushes that spot's multiplier higher. With 49 grid positions and multipliers that double each hit, the math gets interesting fast.
This is the mechanic that matters. When you trigger free spins (3-7 Scatters for 10-30 spins), every multiplier spot and its current value carries over from spin to spin. The grid becomes a persistent multiplier map that builds across your entire free spin round.
Compare that to the base game where everything resets after each tumble sequence. In free spins, a x4 spot from spin 2 can become x16 by spin 8 if wins keep landing on it. By the end of a long round, you can have multiple spots sitting at x32 or x64, and any cluster that touches those positions gets multiplied accordingly.
Scatter distribution is generous: 3 Scatters give 10 free spins, scaling up through 12, 15, 20, and 30 spins for 7 Scatters. Retriggering during the round adds the same number again.
The cluster pay plus multiplier spots mechanic is borrowed directly from Sugar Rush, one of Pragmatic's biggest hits. Monkey King Rush swaps candy for Chinese mythological symbols - scrolls, peaches, firecrackers, lanterns, and crystals inspired by Journey to the West. Sun Wukong himself appears as the featured character.
If you've played Sugar Rush or Sugar Rush 1000, you know exactly how this plays. The 7x7 grid, the tumbles, the multiplier spots doubling with each hit. Pragmatic found a winning formula and applied it to a different theme. That's not necessarily a problem - the mechanic works - but originality isn't this game's strength.
Here's the tension. Individual grid spots can reach x128, and you can have dozens of marked spots during a long free spin round. The theoretical numbers suggest payouts well beyond 5,000x should be possible. But the hard cap means the game cuts you off the moment total wins hit that ceiling - remaining free spins get forfeited.
For a game built around stacking multipliers across dozens of spins, 5,000x feels like a short leash. Sugar Rush 1000 pushes to 25,000x. Monkey King Rush doesn't get that luxury. The persistent multiplier map is the game's best feature, and the cap is what holds it back.