Single-player games like Fish Game
Below are 9 single-player Steam games similar to Fish Game, ranked by player overlap. Every pick carries Steam's Single-player category, so multiplayer-only titles or always-online games don't sneak in. imho.run pulls the category data from Steam directly — Single-player here matches what the store labels.
Want the full alternatives list (paid + free + Steam Deck + cheaper picks)? See the parent games like Fish Game page.
Ranked picks
- 1
Idle Aquarium
Single-player alternative to Fish Game — playable solo, no multiplayer required. Shares Indie and Simulation with Fish Game.
A game that let enjoy fish keeping and decorating your aquarium while doing your work
- 2
Ovivim pra Sua Stream
Single-player alternative to Fish Game — playable solo, no multiplayer required. Shares Indie and Simulation with Fish Game.
Ovivim é um bichinho virtual para streamers que vive em lives da Twitch por livre e espontânea vontade. Essas criaturinhas possuem muitas formas diferentes, e como elas crescem depende de como você cuida delas.
- 3
Desktank
Single-player alternative to Fish Game — playable solo, no multiplayer required. Shares Indie and Simulation with Fish Game.
A cozy idle aquarium that lives on top of your screen. Watch fish swim, grow, and interact while you work or relax. Desktank turns your desktop into a peaceful underwater world — float it in the corner or let it take over the whole screen. Just sit back and enjoy the calm.
- 4
Orion Blue
Single-player alternative to Fish Game — playable solo, no multiplayer required. Shares Indie and Simulation with Fish Game.
Orion Blue is a cozy fishing adventure set on a beautiful alien planet. Catch fish, gather resources, and build relationships with the locals. Play actively, or relax and let the game progress with Idle Mode.
- 5
Darwin's Aquarium
Single-player alternative to Fish Game — playable solo, no multiplayer required. Shares Simulation with Fish Game.
Breeding and training fish is your hobby. Discover new species - evolve favorable characteristics and train your AI fish brain to behave like real-life fish. Learn about AI and genetics by playing.
- 6
Moon Fishies
Single-player alternative to Fish Game — playable solo, no multiplayer required. Shares Indie and Simulation with Fish Game.
Moonfishies is relaxing desktop fish simulator. Customize your dream aquarium, catch new fish and breed unique hybrids!
- 7
Ecosystem
Single-player alternative to Fish Game — playable solo, no multiplayer required. Shares Indie and Simulation with Fish Game.
Create virtual lifeforms whose development is shaped by a deep simulation of evolution. Guide them as they fight, mate, and adapt to the environment you have built. All the creatures in the trailer evolved on their own in the game!
- 8
Chillquarium
Single-player alternative to Fish Game — playable solo, no multiplayer required. Shares Simulation and Casual with Fish Game.
Chillquarium is a cozy and relaxing idle game. Buy fish and raise them in real time, then sell them to turn a profit! Customize your aquarium as you progress from a simple starter tank to your dream setup by filling your collection with rare exotic fish and ultra-rare color variants!
- 9
The Sims™ 4
Single-player alternative to Fish Game — playable solo, no multiplayer required. Shares Simulation and Casual with Fish Game.
Play with life and discover the possibilities. Unleash your imagination and create a world of Sims that’s wholly unique. Explore and customize every detail from Sims to homes–and much more.