Single-player games like Don't kill the fish
Below are 8 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
Unboxathon
Single-player alternative to Don't kill the fish — playable solo, no multiplayer required. Shares Indie and Simulation with Don't kill the fish.
Unboxathon is a cute content-packed incremental game about opening mystery boxes. Find rare items, upgrade your skills, and unlock new boxes & features! Collect shiny items, pop bubble wrap, and materialize artifacts out of thin air. Can you find your lost childhood plush?
- 2
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!
- 3
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. 🎣
- 4
GLONK
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 feeding Glonk! Make Glonk bigger, get more money, and explore the skill tree to upgrade your abilities, and get more Glonks!
- 5
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.
- 6
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.
- 7
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.
- 8
Little Aviary
Single-player alternative to Don't kill the fish — playable solo, no multiplayer required. Shares Indie and Simulation with Don't kill the fish.
Little Aviary is a relaxing idle bird collector that sits at the bottom of your screen! Hatch unique birds, sell them, decorate, then watch them fly around your screen and perch on top of your other windows!