Single-player games like Fish Slayer
Below are 8 single-player Steam games similar to Fish Slayer, 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 Slayer page.
Ranked picks
- 1
Shrimp.io
Single-player alternative to Fish Slayer — playable solo, no multiplayer required. Shares Action and Strategy with Fish Slayer.
A Shrimp Based Bullet Heaven. Kill creatures, Level up & pick from 3 upgrades to unalive thousands more.
- 2
16 Cyber-Personalities: Survivors
Single-player alternative to Fish Slayer — playable solo, no multiplayer required. Shares Action and Indie with Fish Slayer.
Inspired by MBTI, this is a fast-paced, top-down arena shooter roguelite where your inner world becomes the battleground. Harness the power of four elemental sprites to fend off the sinister forces lurking in your mind. No matter what your personalities are, you can conquer your darkest thoughts!
- 3
FatSheep Crisis:RE
Single-player alternative to Fish Slayer — playable solo, no multiplayer required. Shares Action and Strategy with Fish Slayer.
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- 4
Deep Sea Survivor
Single-player alternative to Fish Slayer — playable solo, no multiplayer required. Shares Action and Indie with Fish Slayer.
Explore the ocean with adorable robots in this pixel-art bullet heaven action roguelite! Choose and upgrade diverse weapons, defeat swarms of sea creatures, and survive deadly traps. The deeper you dive, the greater the danger becomes. Create a new build on every run and survive the depths!
- 5
Overdrive Breakout
Single-player alternative to Fish Slayer — playable solo, no multiplayer required. Shares Action and Strategy with Fish Slayer.
Control a rusted mech in a fast-paced top-down survival action game. Enter unknown areas, dodge enemy swarms, choose random weapons, skill upgrades, and passive modules, defeat bosses, unlock maps, and break through on the edge of overload.
- 6
Operation Octo
Single-player alternative to Fish Slayer — playable solo, no multiplayer required. Shares Action and Strategy with Fish Slayer.
Play as an Octopus scientist fighting off sunken skeletons in this frantic aquatic Tower Defense! Discover sea life turrets from unique biomes: Pistol Shrimp! Navy Seal! Death Ray! Deploy turrets whilst dodging enemy bullets as you venture the seven seas!
- 7
Underwater DuO
Single-player alternative to Fish Slayer — playable solo, no multiplayer required. Shares Action and Indie with Fish Slayer.
In Underwater Duo, control a smashing turtle with your left hand and a blasting jellyfish with your right! Fight off waves of fierce fish, grow stronger, and see if your two hands can conquer the deep… or team up with a perfectly in-sync partner.
- 8
Deckzin
Single-player alternative to Fish Slayer — playable solo, no multiplayer required. Shares Action and Strategy with Fish Slayer.
Deckzin is a dungeon crawler deckbuilder with roguelike and RPG elements. Play as fantastic heroes in this action autobattler, build and refine legendary decks, adapt to encounters and events in fast-paced runs, defeat powerful bosses, and keep the world’s last light alive.