Single-player games like Merge Mutants
Below are 8 single-player Steam games similar to Merge Mutants, 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 Merge Mutants page.
Ranked picks
- 1
Approaching Infinity Survivors
Single-player alternative to Merge Mutants — playable solo, no multiplayer required. Shares Action and Indie with Merge Mutants.
A Bullet-Heaven roguelike in the Approaching Infinity universe with both spaceship and away team missions. The exit of the galaxy's dominant races left a power vacuum that everyone wants to fill. Survive, pick a side, or kill'em all. No time to think when the horde's advancing.
- 2
Space Show edition 17
Single-player alternative to Merge Mutants — playable solo, no multiplayer required. Shares Action and Indie with Merge Mutants.
Space Show is an explosive space shoot’em up blending fast-paced arcade action with roguelite progression. Destroy waves of asteroids, battle enemy fleets, and defend Earth in an endless war where only survival… and glory matter!
- 3
Diced Up!
Single-player alternative to Merge Mutants — playable solo, no multiplayer required. Shares Action and Indie with Merge Mutants.
Survive as long as you can in an endless bullet hell with randomized stats and weapons.
- 4
Farmnana Defence
Single-player alternative to Merge Mutants — playable solo, no multiplayer required. Shares Action and Indie with Merge Mutants.
▎ Defend your farm with magical bananas! Collect and enhance 20+ bananas across 5 tiers, build your farm by day, and survive monster waves by night. Face 5 epic bosses in 25 waves and endless Infinite Mode.
- 5
Tied to the Beat
Single-player alternative to Merge Mutants — playable solo, no multiplayer required. Shares Action and Indie with Merge Mutants.
A roguelike where every lyric triggers unique effects. Choose your instrument, survive waves of lyric-powered enemies, and import your own songs. Your music. Your weapon.
- 6
Planetary Defense: An Orbital Turret Defense System
Single-player alternative to Merge Mutants — playable solo, no multiplayer required. Shares Action and Indie with Merge Mutants.
2D space shooter and turret defense come together to create the Planetary Defense System this world needs! Shoot down asteroids and aliens and survive the bosses in this arcade like game featuring customizable satellites, projectiles, and upgradable Cannon and Planet Shield systems.
- 7
Survivesmith
Single-player alternative to Merge Mutants — playable solo, no multiplayer required. Shares Action and Indie with Merge Mutants.
Reverse bullet-hell game with a crafting twist. Shoot hails of bullets, missiles, nails, lasers and whatever is at your disposal at your enemies and make tactical choices to overcome all obstacles. You are here to find and extract the 'Life Essence', and you're not leaving without it!
- 8
Arms of God
Single-player alternative to Merge Mutants — playable solo, no multiplayer required. Shares Action and Indie with Merge Mutants.
Gear up for a battle through hell in this roguelite Bullet Heaven Arena Autoshooter with Doom-inspired gore vibes, metal music, and a satisfying combat feel. Wield five weapons at once, upgrade and merge them to forge indestructible builds, and bring divine justice to a world on the brink of chaos.