Series
Golden Fish Tank series
Golden Fish Tank series: three engines behind one aquarium
Unlike an aquarium sequel built around reskinning, Yggdrasil Gaming's Golden Fish Tank series repeatedly changes its grid, win system, and bonus emphasis. Golden Fish Tank established the fish-filled cartoon setting in 2016 on a 5x3 layout with 243 ways, medium volatility, and an x5,000 maximum. Stacked symbols, random wilds, multipliers, and extra free spins made the original a straightforward ways slot.
Ranked by Slot Score
| Game | Year | RTP | Volatility | Slot Score |
|---|---|---|---|---|
 Golden Fish TankYggdrasil Gaming | 2016 | 95.9% | Medium volatility | 63 |
 Golden Fish Tank 2 GigabloxYggdrasil Gaming | 2021 | 96% | Medium/High | 77 |
 Golden Fish Tank PartyLatestYggdrasil Gaming | 2024 | 94% | Medium volatility | 62 |
Golden Fish Tank 2 Gigablox rebuilt that foundation in 2021 as a 6x4, 25-payline game. Gigablox and 3x3 mega symbols shifted attention toward oversized symbol blocks, while reel-set changes, a pick feature, bonus access, and a gamble option added more routes around the free spins. Medium-high volatility and an x10,000 maximum doubled the original ceiling.
Golden Fish Tank Party changes direction again with a 5x4 grid and 4,096 ways. Its cash collector and free-spin multiplier replace Gigablox as the main points of interest, while the x6,000 maximum and medium volatility pull the risk profile back from the second game. The aquarium identity stays recognizable, but each release asks the player to read wins differently: 243 ways first, colossal fixed-line combinations next, then a multiway collector format.