Single-player games like Don't kill the fish
Below are 9 single-player Steam games similar to Don't kill the fish, 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 Don't kill the fish page.
Ranked picks
- 1
Firefly Haven
Single-player alternative to Don't kill the fish — playable solo, no multiplayer required. Shares Indie and Simulation with Don't kill the fish.
Firefly Haven is an incremental, chill and short cozy game about catching bugs, collecting trophies, traveling to new locations and achieving greatness!
- 2
My Fishing Desktop
Single-player alternative to Don't kill the fish — playable solo, no multiplayer required. Shares Indie and Simulation with Don't kill the fish.
🎣 Unwind with this cozy idle fishing game. Cast your line, collect unique fish, and customize your character with fun hats. Add relaxing ambient sounds like rain or jungle vibes to set the mood. Perfect for relaxing in the background while you work or chill. 🎣
- 3
Bloom N Buzz
Single-player alternative to Don't kill the fish — playable solo, no multiplayer required. Shares Indie and Simulation with Don't kill the fish.
Serve your hive in this relaxing tycoon-style game. Fill the role of a dedicated worker bee, pollinate flowers! Build up your hive! Produce honey.
- 4
Donut Land Clicker
Single-player alternative to Don't kill the fish — playable solo, no multiplayer required. Shares Indie and Simulation with Don't kill the fish.
A casual game where you need to conquer the world with your donuts, so that everyone talks about your donuts in every nook and cranny. To build an empire, you have to curse a donut, and then on the accumulated donuts - build an empire, buy business after business, improvement after improvement.
- 5
OnlyCats
Single-player alternative to Don't kill the fish — playable solo, no multiplayer required. Shares Indie and Casual with Don't kill the fish.
Pet cats, earn love, buy more cats. OnlyCats is a cozy incremental idle game where hovering over adorable pixel cats fills your coin and love stash. Unlock new cats, grow your collection, and discover more upgrades.
- 6
Mango's Fisharium
Single-player alternative to Don't kill the fish — playable solo, no multiplayer required. Shares Indie and Simulation with Don't kill the fish.
Mango’s Fisharium is a short incremental game about catching unique fishes and displaying them in the Fish Aquarium. Designed to be completed in around 4 hours.
- 7
Boba Simulator : Idle Shop Management
Single-player alternative to Don't kill the fish — playable solo, no multiplayer required. Shares Indie and Simulation with Don't kill the fish.
Boba Tea shop simulator. Manage recipe, stock and customer satisfaction.
- 8
Cult Nation
Single-player alternative to Don't kill the fish — playable solo, no multiplayer required. Shares Indie and Simulation with Don't kill the fish.
A short incremental game about sacrificing all your cult followers and collecting blood to awaken the devil.
- 9
Bore Bore
Single-player alternative to Don't kill the fish — playable solo, no multiplayer required. Shares Indie with Don't kill the fish.
Descend to the center of the Earth and survive beneath toxic skies. Watch out for the creatures. Manage your air, water, and food. Build vehicles to dig deeper. Grow potatoes, gather resources, and design robots to defend and automate your world — the control is in your hands.