Single-player games like Biohazard Protocol
Below are 8 single-player Steam games similar to Biohazard Protocol, 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 Biohazard Protocol page.
Ranked picks
- 1
Peace Dice
Single-player alternative to Biohazard Protocol — playable solo, no multiplayer required. Shares Action and Indie with Biohazard Protocol.
The post-apocalypse. When some are trying to survive in a new world, others join the detective agency "Peace Dice", which searches for evidence of mutants. Go on a raid and don't come back empty-handed!
- 2
Bangquet
Single-player alternative to Biohazard Protocol — playable solo, no multiplayer required. Shares Action and Indie with Biohazard Protocol.
BANGQUET is a single-player, turn-based bluffing game at a table of 2–4 survivors. Peek, lie, and level a loaded—or empty—gun to make somebody else draw the live grenade.
- 3
Aer Isles
Single-player alternative to Biohazard Protocol — playable solo, no multiplayer required. Shares Action and Indie with Biohazard Protocol.
Rise, knight. Reclaim the skies you were once promised. alone or with up to four friends. Cross ever-changing floating isles, survive chaotic encounters, gather Power, and strengthen your Bonk. Conquer the Aer Isles, or knock each other back trying.
- 4
GloomDelve
Single-player alternative to Biohazard Protocol — playable solo, no multiplayer required. Shares Action and Indie with Biohazard Protocol.
Bring a friend to the couch: a 100-floor roguelite dungeon crawler with true local split-screen co-op (online too). Draft game-breaking power cards, die, descend again. A Mad Wizard mocks your deaths, and every wall, monster and sword is generated by code, so it runs on a toaster.
- 5
Catacrypt
Single-player alternative to Biohazard Protocol — playable solo, no multiplayer required. Shares Action and Indie with Biohazard Protocol.
Catacrypt is an online co-op roguelite dungeon crawler. Enter procedurally generated dungeons to obtain powerful upgrades and craft unique weapons. Descend floors and fight increasingly harder enemies and bosses, all to reach the bottom.
- 6
Daedalia
Single-player alternative to Biohazard Protocol — playable solo, no multiplayer required. Shares Action and Adventure with Biohazard Protocol.
A Greek labyrinth rebuilt every game. Find the key, the Golden Fleece and the ichor before the others do — while the Minotaur hunts the corridors and the Medusa petrifies on sight. Die, and come back as a Shade to possess them
- 7
PILGRIM
Single-player alternative to Biohazard Protocol — playable solo, no multiplayer required. Shares Action and Indie with Biohazard Protocol.
Pilgrim is a medieval-based, co-op horror, adventure. Can you and your friends make it to the end of The Road?
- 8
Jack's Last Show
Single-player alternative to Biohazard Protocol — playable solo, no multiplayer required. Shares Action and Indie with Biohazard Protocol.
Ladies and gentlemen, welcome to Jack’s Last Show, a short co-op horror game for 1–4 players. Wind up the music boxes, start each act of Jack’s final performance, and try to escape before the house becomes his stage.