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

State of Anarchy: Master of Mayhem
Single-player alternative to Xerminus — playable solo, no multiplayer required. Shares Action with Xerminus.
Prepare for bullet hell action and crazy driving! Your town is on fire, anarchy reigns the streets, aliens rampage in the sky! Grab your gun and join the fun!