Single-player games like Alien Infection
Below are 11 single-player Steam games similar to Alien Infection, 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 Alien Infection page.
Ranked picks
- 1

Serious Sam Fusion 2017 (beta)
Single-player alternative to Alien Infection — playable solo, no multiplayer required. Shares Action and Indie with Alien Infection.
Serious Sam Fusion is a central hub for several existing Serious Sam games developed by Croteam. Cool new features, engine upgrades, patches and updates will be released to existing owners for FREE!
- 2

Don't Knock Twice
Single-player alternative to Alien Infection — playable solo, no multiplayer required. Shares Action and Indie with Alien Infection.
Don't Knock Twice is a first-person horror game based on a psychologically terrifying urban legend. One knock to wake her from her bed, twice to raise her from the dead. Supports VR on HTC Vive and Oculus Rift for the ultimate horror experience!
- 3

The Hong Kong Massacre
Single-player alternative to Alien Infection — playable solo, no multiplayer required. Shares Action and Indie with Alien Infection.
Blast your way through the streets of Hong Kong in a fast-paced, top-down shooter. Inspired by classic action movies, The Hong Kong Massacre places you at the center of a hard-boiled revenge story, filled with brutal, cinematic shootouts and vivid underworld locations.
- 4

Gunheart
Single-player alternative to Alien Infection — playable solo, no multiplayer required. Shares Action and Indie with Alien Infection.
Gunheart is an online co-op RPG shooter where you and your friends become customizable robotic bounty hunters trying to make a buck at the edge of the galaxy. Encounter menacing aliens, explore exotic locations, unlock new gear, and rake in cash to boost your rig.
- 5

Hotline Miami
Single-player alternative to Alien Infection — playable solo, no multiplayer required. Shares Action and Indie with Alien Infection.
Hotline Miami is a high-octane action game overflowing with raw brutality, hard-boiled gunplay and skull crushing close combat.
- 6

GORN
Single-player alternative to Alien Infection — playable solo, no multiplayer required. Shares Action and Indie with Alien Infection.
GORN is a ludicrously violent VR gladiator simulator, made by Free Lives, the developers of Broforce and Genital Jousting.
- 7

Hatred
Single-player alternative to Alien Infection — playable solo, no multiplayer required. Shares Action and Indie with Alien Infection.
Hatred is a violent twin-stick shooter, in which you take the role of The Antagonist fighting against all of humanity.
- 8

Disc Room
Single-player alternative to Alien Infection — playable solo, no multiplayer required. Shares Action and Indie with Alien Infection.
Are you ready to get sliced in half? The year is 2089 and a giant disc has appeared in orbit of Jupiter. Step into the oversized space suit of a brave scientist and explore this sprawling intergalactic slaughterhouse.
- 9

Maze Run VR
Single-player alternative to Alien Infection — playable solo, no multiplayer required. Shares Action and Indie with Alien Infection.
Maze Run is a rogue-like escape runner for VR. 100'000 square feet procedurally generated maze, destructible and paintable.
- 10

Tevris
Single-player alternative to Alien Infection — playable solo, no multiplayer required. Shares Action and Indie with Alien Infection.
Classic tetromino game in VR. One of the most awaited puzzle classics to be played with motion controls. Cute blocks, vivid colors, high scores, MEGA-mode and more to come.
- 11

VRRCC
Single-player alternative to Alien Infection — playable solo, no multiplayer required. Shares Action and Indie with Alien Infection.
Virtual Reality Radio Controlled Cars — the best RC car simulator in VR.You will see great physics, nice graphics and deep immersion! Do crazy stunts, modify tracks with objects and customize your car.