Single-player games like Fish Companions
Below are 8 single-player Steam games similar to Fish Companions, 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 Companions page.
Ranked picks
- 1
My Beautiful Aquarium
Single-player alternative to Fish Companions — playable solo, no multiplayer required. Shares Indie and Simulation with Fish Companions.
A fish tank that lives on your screen. Real species, and every fish is an individual you can name. In Cozy mode nothing can die, so you can leave it running all day. Challenge mode is proper fishkeeping: water types, breeding, sickness, mistakes. Play it, or just let it swim.
- 2
Peacequarium
Single-player alternative to Fish Companions — playable solo, no multiplayer required. Shares Simulation and Casual with Fish Companions.
An aquarium sim you can keep anywhere on your screen while you do other things. Buy endless upgrades, apply trait modifiers, and complete your collection of rare, epic and legendary fish! Buy today or give a gift to someone!
- 3
Soggy Beans
Single-player alternative to Fish Companions — playable solo, no multiplayer required. Shares Indie and Simulation with Fish Companions.
Fish will come, fish will go. Take photos, collect beans, decorate your seascape, then relax or do other things while your friends swim by in this calming side-idler.
- 4
Cozy Littlequarium
Single-player alternative to Fish Companions — playable solo, no multiplayer required. Shares Indie and Simulation with Fish Companions.
Cozy Littlequarium is a relaxing aquarium simulator that sits at the bottom of your screen! Take care, breed them, collect and decorate!
- 5
Cast n Chill
Single-player alternative to Fish Companions — playable solo, no multiplayer required. Shares Indie and Simulation with Fish Companions.
Cast n Chill is a relaxing fishing game where you explore serene lakes, rivers, and oceans. Catch rare fish, upgrade your gear and reel in legendary catches - all with your loyal companion by your side.
- 6
Tiny Fishing Club
Single-player alternative to Fish Companions — playable solo, no multiplayer required. Shares Indie and Casual with Fish Companions.
A cozy desktop fishing companion you can leave beside your work. Fish solo or hang out online with friends, catch rare fish, customize your tiny angler, collect pets, and grow your little club.
- 7
Chill & Reel
Single-player alternative to Fish Companions — playable solo, no multiplayer required. Shares Indie and Simulation with Fish Companions.
A cozy idle fishing game where you play as an adorable alligator angler. Designed to run in the corner of your screen, it's the perfect companion for work or study—featuring rich animations that make every moment feel like watching a charming short film.
- 8
Lepidarium
Single-player alternative to Fish Companions — playable solo, no multiplayer required. Shares Indie and Simulation with Fish Companions.
Relax and collect hundreds of unique butterflies and moths in this cozy idle game. Watch caterpillars transform from larva to chrysalis to winged beauty, customize lush greenhouses, and discover rare species from monarchs to atlas moths.