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Primate King

See below for the main statistics of the game, and scroll on for our in-depth expert review.

Return to player






Game provider

Red Tiger

Available on

Desktop, Mobile, Tablet

Winlines/ Ways to win



Primate King is a slot from Red Tiger Gaming with a fun jungle theme. The game has five reels and four rows, with 30 paylines. The aim is to collect the gold coins so that you can upgrade to wilds via a game meter with three different tiers. Once filled, all the wilds that land on the reels come with a random multiplier that can be increased. The meter also turns into a sixth reel, giving you the opportunity to win up to 3,800x your stake.

The RTP on Primate King is 94.68%, which is a little below average for online slot games, but there is also some variance in the RTP percentage depending on other factors. For non-jackpot play, the RTP points are 95.66%, 94.68%, 92.67% and 90.68%. With the jackpot, the RTP ranges from 94.69% to 90.03%. Primate King has high volatility, making it a thrilling game for those who like a little excitement from their slots, and it comes with multipliers, scatter symbols, wilds, sticky wilds, a symbol swap, and other features.

There is no bonus round as such in Primate King slot, but the game plays out with constant upgrades as you turn the regular wilds to stacked wilds, multiplier stacked wilds, and eventually to sticky stacked wilds, with the benefit of increasing winning streak multipliers. When the sixth reel is unlocked, it increases the maximum win from 15x to 30x your original stake. The maximum win of 3,800x your stake can only be won using multipliers, but the highest non-multiplier single spin win is still 900x your stake, so there are opportunities for worthwhile wins at every level.

About Red Tiger

Red Tiger


Real-money casinos


To get started with Primate King, choose how much you want to stake and start spinning. Collect the gold coin icons in the upgrade meter on the right-hand side. The three tiers on the meter affect the wilds that land on the reels. Tier 1 turns the regular 1×1 primate wild into a fully stacked 1×4 wild. Tier 2 adds a random multiplier to the fully stacked wild, and Tier 3 makes the multiplier wild reel sticky, which lasts until it has been part of both a winning and a non-winning spin. With each consecutive winning spin, the multiplier increases in value. It then ‘unsticks’ with the first losing spin after a winning spin, or after a streak of consecutive winning spins. If you land a primate wild without winning, you could trigger the Primate Smash feature, which removes all low-value symbols, filling the gaps with premium symbols.

Primate King is a great slot that incentivizes players to keep returning. The lack of a bonus round might bother some players, but those who like the three-tier meter system, and the way that the wilds keep upgrading, will keep coming back for more. The random removal of low-value symbols is a minor feature, but one that many players will enjoy, especially as it comes with a win guarantee.

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