Razor Shark review
Razor Shark is an underwater slot from Push Gaming, released on 3 September 2019. Its grid and paylines are conventional. What isn’t conventional is the Mystery Stacks mechanic: columns of seaweed slide down the reels and can turn into mini-reels paying instant bet multipliers. At launch, Push Gaming’s James Marshall described a game with “huge depth”, with win potential running from the base game through to “wildly progressive” free spins. Years later it remains one of the best-known titles in the studio’s Push Originals range.
Lines, Wilds and nudging seaweed
You drop to the ocean floor, where sharks and hidden treasure lurk among the seaweed. The seaweed is the element you end up watching: it covers whole columns and hides what’s underneath, which can be any regular symbol or a golden shark. Sharks do real work too. One is the Wild, and golden ones trigger the base game’s main feature.
The grid is 5×4 with 20 fixed paylines, and wins count from the leftmost reel, with matching symbols needed in an unbroken run. The great white shark is the Wild. It substitutes for regular symbols and is also the top-paying symbol on the paytable.
Mystery Stacks contain four mystery symbols and can land on any reel. After the reels stop they reveal matching paying symbols or golden sharks. On the next spin the stack drops one cell and reveals again, until it leaves the screen. A revealed regular symbol pays only as part of a qualifying line from the leftmost reel; the stack itself guarantees no win.
After its first reveal a fully visible stack remains for three further spins, covering three, two and then one cell. A partially visible stack leaves sooner. Different stages can reveal different symbol types. Retained stacks are a real game state between spins, without making the next reveal predictable.
Razor Reveal: coins and scatters
Golden sharks trigger mini-reels only on mystery positions. They show coins worth 1x–2,500x the stake or scatters. Coins add: illustrative 2x, 5x and 10x give 17x before any bonus multiplier. More visible mystery cells mean more mini-reels; one remaining cell cannot give more than one coin. Value weights and feature frequency are unpublished.
Reveal scatters count with regular ones towards Free Games entry. A golden shark alone does not open the bonus: mini-reels may not supply the required scatter count. Exact regular-symbol values are in the game’s paytable.
Free Games until the final stack leaves
Three scatters trigger Free Games. Reels 2 and 4 start the round filled with mystery symbols, which nudge down one step per spin. Every nudge raises a win multiplier that applies to everything: line wins and Razor Reveal prizes alike.
The round has no fixed length. It runs as long as part of a stack is still visible, and new Mystery Stacks keep it going. Extra scatters beyond three push the starting stacks higher, so the round lasts longer and the multiplier has more time to climb.
New stacks during the bonus delay its end and bring fresh reveals. An extra position above the grid adds another nudge step; exact initial stack heights by scatter count and the multiplier increment are unspecified. For instance, notional coins totalling 20x at a 7x multiplier pay 140x; this is arithmetic, not a confirmed seventh-spin multiplier.
RTP, maximum and sequels
Builds have 96.70% and 94.06% RTP, high volatility and an overall 50,000x maximum. It concerns the payout total, rather than one coin. Maximum probability, hit rate, bonus frequency and termination at the limit are undisclosed. Coins combined with a growing multiplier offer a route to large totals, without establishing the only route to the cap.
2023’s Razor Returns uses a 5×5 grid and 40 lines, 96.55%/94.49% RTP, a 100,000x maximum, a buy and Push Bet adding 10% to the stake. Coins reach 5,000x, collectors and converters are added, and extra scatters can raise the starting bonus multiplier. Big Bamboo reveals mystery bamboo, with golden bamboo leading to instant prizes.
Push Gaming continued the range with 2024’s Razor Ways at a 25,000x maximum and Razor Shark Jackpots on 3 June 2026. Wolf Gold is a line-game alternative with medium volatility, 25 lines and different bonuses.
