Single-player games like Mutant Crisis
Below are 9 single-player Steam games similar to Mutant Crisis, 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 Mutant Crisis page.
Ranked picks
- 1
Polygone
Single-player alternative to Mutant Crisis — playable solo, no multiplayer required. Shares Action and Indie with Mutant Crisis.
Polygone is a low-poly, yet highly visual take on the classic "Zombie Modes" in modern first person shooters. Play with up to four friends to fight off endless hordes of over 50 different zombies and bosses on a massive map that you'll need to unlock areas to explore.
- 2
StalSide
Single-player alternative to Mutant Crisis — playable solo, no multiplayer required. Shares Action and Indie with Mutant Crisis.
Trapped inside a broken computer simulation of a post‑nuclear world, you must survive, explore, and uncover the secrets of the zone. Play solo or with up to 8 friends in this chilling mix of survival and digital mystery.
- 3
Morte Accendere
Single-player alternative to Mutant Crisis — playable solo, no multiplayer required. Shares Action and Indie with Mutant Crisis.
A sci-fi zombie infected third or first person action with elements of parkour, combat with weapons or hand to hand, many modes of transportation. Ability to craft items and build your safe zone.
- 4
Unturned
Single-player alternative to Mutant Crisis — playable solo, no multiplayer required. Shares Action and Indie with Mutant Crisis.
You're a survivor in the zombie infested ruins of society, and must work with your friends and forge alliances to remain among the living.
- 5
Shatterland
Single-player alternative to Mutant Crisis — playable solo, no multiplayer required. Shares Action and Indie with Mutant Crisis.
Shatterland is a co-op zombie/Alien survival game with base-building and exploration. Loot resources, craft weapons, build with friends, and fight through a devastated world filled with the undead, hostile survivors, and military secrets.
- 6
After the Fall®
Single-player alternative to Mutant Crisis — playable solo, no multiplayer required. Shares Action and Adventure with Mutant Crisis.
From the team that brought you Arizona Sunshine® comes an epic VR action FPS with intense co-op gameplay at its core. Team up with friends and take on a hostile VR world filled with ferocious undead--mutated and twisted by the relentless cold.
- 7
Afterinfection
Single-player alternative to Mutant Crisis — playable solo, no multiplayer required. Shares Action and Indie with Mutant Crisis.
Afterinfection is a brand new zombie survival game designed in Unreal 4 and being developed by a small team from Thailand. After creating your survivor, you’ll start with nothing and have to make your way across a large island searching for food, water, weapons, and crafting supplies.
- 8
The Haunted: Hells Reach
Single-player alternative to Mutant Crisis — playable solo, no multiplayer required. Shares Action and Indie with Mutant Crisis.
Winner of 2010′s Make Something Unreal contest, The Haunted: Hells Reach is a fast-paced horror game where your goal is to liberate cursed places and survive the assault of Hell.
- 9
Infected Zone Survival
Single-player alternative to Mutant Crisis — playable solo, no multiplayer required. Shares Action and Indie with Mutant Crisis.
"Infected Zone Survival" is an open world zombie apocalypse survival game. The game is mainly based on third person action shooting, and can be searched, disguised, built, made, cultivated, fished,hunted, recruited NPCs, simulated management, etc.