Single-player games like Xerminus
Below are 8 single-player Steam games similar to Xerminus, 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 Xerminus page.
Ranked picks
- 1

Bullet Runner
Single-player alternative to Xerminus — playable solo, no multiplayer required. Shares Action with Xerminus.
A clone army is taking over the world. Kill them all in an epic single-player campaign to save humanity, and yourself!
- 2

Sektori
Single-player alternative to Xerminus — playable solo, no multiplayer required. Shares Action with Xerminus.
Sektori is an intense, fast paced twin-stick shooter infused with hard hitting techno music. A game where the high-adrenaline gameplay, visuals, and music come together to transport you into another state of consciousness.
- 3

Crimsonland
Single-player alternative to Xerminus — playable solo, no multiplayer required. Shares Action with Xerminus.
Thousands of aliens, giant spiders, mutant lizards, and more are on the attack - can you survive the onslaught? Crimsonland is a top-down shooter with a touch of RPG. Unlock over 30 weapons and over 50 perks from quirky to brutal. Complete the quest and show your skills in five survival modes.
- 4

Earl vs. the Mutants
Single-player alternative to Xerminus — playable solo, no multiplayer required. Shares Action with Xerminus.
Save humanity in a mutant-ridden apocalypse! Dive headfirst into Earl vs. the Mutants, a high-octane top-down survival action-roguelite set in the aftermath of a nuclear apocalypse.
- 5

Chippy
Single-player alternative to Xerminus — playable solo, no multiplayer required. Shares Action with Xerminus.
Chip destructible bosses apart pixel-by-pixel in this twin-stick bullet-hell shooter.
- 6

Pesticide Not Required
Single-player alternative to Xerminus — playable solo, no multiplayer required. Shares Action with Xerminus.
Mow down countless crops and corrupt critters while crafting game-breaking builds! Pesticide Not Required is an action roguelite bullet heaven game with farming sim elements that offers a myriad of stats and special character traits to create wildly diverse run possibilities.
- 7

UBERMOSH Vol.5
Single-player alternative to Xerminus — playable solo, no multiplayer required. Shares Action with Xerminus.
The fifth volume of the arcade series UBERMOSH.
- 8

Destropolis
Single-player alternative to Xerminus — playable solo, no multiplayer required. Shares Action with Xerminus.
Destropolis is a top-down shooter game with a fully destructible environment, hundreds of enemies and nuclear explosions. Fight a countless swarm of enemies. Tear them to pieces with bullets, lasers and explosions. Destroy as many of them as you can before they overwhelm you...