Single-player games like ILL
Below are 8 single-player Steam games similar to ILL, 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 ILL page.
Ranked picks
- 1
Resident Evil 7 Biohazard
Single-player alternative to ILL — playable solo, no multiplayer required. Shares Action and Adventure with ILL.
Fear and isolation seep through the walls of an abandoned southern farmhouse. "7" marks a new beginning for survival horror with the “Isolated View” of the visceral new first-person perspective.
- 2
The Beast Inside
Single-player alternative to ILL — playable solo, no multiplayer required. Shares Action and Adventure with ILL.
The Beast Inside is a unique, gripping twist on thriller and survival horror. Immerse in the story of long-buried secrets, personal tragedies, and madness. Play as two protagonists bounded by dark heritage. Combat the enemies, solve riddles and experience real terror in the 3D-scanned environment.
- 3
Resident Evil 4
Single-player alternative to ILL — playable solo, no multiplayer required. Shares Action and Adventure with ILL.
Survival is just the beginning. Six years have passed since the biological disaster in Raccoon City. Leon S. Kennedy, one of the survivors, tracks the president's kidnapped daughter to a secluded European village, where there is something terribly wrong with the locals.
- 4
Outlast 2
Single-player alternative to ILL — playable solo, no multiplayer required. Shares Action and Adventure with ILL.
Outlast 2 introduces you to Sullivan Knoth and his followers, who left our wicked world behind to give birth to Temple Gate, a town, deep in the wilderness and hidden from civilization. Knoth and his flock are preparing for the tribulations of the end of times and you’re right in the thick of it.
- 5
Follia - Dear father
Single-player alternative to ILL — playable solo, no multiplayer required. Shares Action and Adventure with ILL.
Follia – Dear Father is a stealth survival horror that captures the genre’s essence in the halls and rooms of a university campus. Marcus goes in search of his parents, but instead finds himself struggling for his life against deadly horrors that creep around every corner.
- 6
Maid of Sker
Single-player alternative to ILL — playable solo, no multiplayer required. Shares Action and Adventure with ILL.
Maid of Sker is a first-person survival horror, set in a remote hotel with a gory and macabre history from Welsh folklore. Brave the nightmares of the Quiet Ones. Do not panic…don’t even breathe!
- 7
Ad Infinitum
Single-player alternative to ILL — playable solo, no multiplayer required. Shares Action and Adventure with ILL.
When reality is a nightmare, nightmares become real. In this psychological horror game, you fight the terrifying creatures invading your mind. Can you save your sanity?
- 8
Blair Witch
Single-player alternative to ILL — playable solo, no multiplayer required. Shares Adventure with ILL.
A first-person, story-driven psychological horror game based on the cinematic lore of the Blair Witch. Explore the haunted grounds of the Black Hills Forest in a harrowing investigation that forces you to confront the evil that resides deep in the woods.