Games like ASPIS
Games like ASPIS include Lethal Company, Far Cry® 5, Five Nights at Freddy's: Secret of the Mimic, Atomic Heart, and SOMA. We matched them by the tags players give ASPIS on Steam (Thriller, Exploration, Sci-fi, Action-Adventure, and First-Person): closest matches first, and among equally close ones the better-known games.

Lethal Company
Shared: First-Person · Horror · Exploration

Far Cry® 5
Shared: Action-Adventure · Exploration · Shooter

Five Nights at Freddy's: Secret of the Mimic
Shared: First-Person · Horror · Exploration

Atomic Heart
Shared: Action-Adventure · Sci-fi · Horror

SOMA
Shared: Horror · Sci-fi · Exploration

Five Nights at Freddy's: Security Breach
Shared: Horror · First-Person · Exploration

Escape the Backrooms
Shared: Horror · Exploration · First-Person

MiSide
Shared: First-Person · Horror · Psychological Horror

Half-Life 2
Shared: Sci-fi · First-Person · Shooter

Outer Wilds
Shared: Exploration · Sci-fi · Story Rich

Inside the Backrooms
Shared: Horror · Exploration · First-Person

Poppy Playtime
Shared: Horror · First-Person · Puzzle

Amnesia: Rebirth
Shared: Action-Adventure · First-Person · Exploration

Pacify
Shared: Horror · Exploration · First-Person

Black Mesa
Shared: Sci-fi · First-Person · Shooter

BioShock Infinite
Shared: First-Person · Shooter · Sci-fi

The Talos Principle 2
Shared: Sci-fi · First-Person · Exploration

Half-Life: Alyx
Shared: Horror · First-Person · Sci-fi

In Sound Mind
Shared: Horror · First-Person · Psychological Horror

The Callisto Protocol™
Shared: Sci-fi · Horror · Action-Adventure

Incantation
Shared: Exploration · First-Person · Horror

Fallout 4
Shared: Exploration · First-Person · Shooter

Crisol: Theater of Idols
Shared: Action-Adventure · Horror · First-Person

Twisted Tower
Shared: Exploration · First-Person · Shooter