Single-player games like Insider Threat
Below are 13 single-player Steam games similar to Insider Threat, 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 Insider Threat page.
Ranked picks
- 1
The Guest
Single-player alternative to Insider Threat — playable solo, no multiplayer required. Shares Action and Indie with Insider Threat.
The Guest is a first-person psychological horror game that focuses on creating fear and tension for the player.
- 2
Visage
Single-player alternative to Insider Threat — playable solo, no multiplayer required. Shares Action and Indie with Insider Threat.
Visage is a first-person psychological horror game. Explore a mysterious ever-changing house in a slow-paced, atmospheric world that combines both uncannily comforting and horrifyingly realistic environments, and enjoy a genuinely terrifying experience.
- 3
The Maid
Single-player alternative to Insider Threat — playable solo, no multiplayer required. Shares Action and Indie with Insider Threat.
The Maid is a first-person psychological horror and mystery game that focuses on creating fear and tension in the player.
- 4
SOMA
Single-player alternative to Insider Threat — playable solo, no multiplayer required. Shares Action and Indie with Insider Threat.
From the creators of Amnesia: The Dark Descent comes SOMA, a sci-fi horror game set below the waves of the Atlantic ocean. Struggle to survive a hostile world that will make you question your very existence.
- 5
The Beast Inside
Single-player alternative to Insider Threat — playable solo, no multiplayer required. Shares Action and Indie with Insider Threat.
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.
- 6
ROUTINE
Single-player alternative to Insider Threat — playable solo, no multiplayer required. Shares Action and Indie with Insider Threat.
ROUTINE is a First Person Sci-Fi Horror set on an abandoned lunar base designed around an 80s vision of the future. Explore and investigate your surroundings as you survive against unknown threats.
- 7
Amnesia: A Machine for Pigs
Single-player alternative to Insider Threat — playable solo, no multiplayer required. Shares Action and Indie with Insider Threat.
From the creators of Amnesia: The Dark Descent and Dear Esther comes a new first-person horrorgame that will drag you to the depths of greed, power and madness. It will bury its snout into your ribs and it will eat your heart.
- 8
Slender: The Arrival
Single-player alternative to Insider Threat — playable solo, no multiplayer required. Shares Action and Indie with Insider Threat.
Slender Man returns more terrifying than ever. You're on your own. No one to help you. No one to hear you scream. Relive the horror all over again with cutting edge visuals for the 10th Anniversary Update and experience survival horror at its finest.
- 9
Ritual
Single-player alternative to Insider Threat — playable solo, no multiplayer required. Shares Action and Indie with Insider Threat.
Ritual is a first-person psychological horror game. Immerse yourself in this sinister experience of terror, where everything familiar becomes strange to you, find the necessary elements to complete the ritual and solve the mystery.
- 10
From Hell
Single-player alternative to Insider Threat — playable solo, no multiplayer required. Shares Action and Indie with Insider Threat.
From Hell is a first-person psychological horror game that focuses on creating fear and tension for the player.
- 11
The Empty Eyes
Single-player alternative to Insider Threat — playable solo, no multiplayer required. Shares Action and Indie with Insider Threat.
The Empty Eyes is a first-person psychological horror experience that immerses you in an investigation steeped in mystery. Every step inside the house brings you closer to a hidden truth, while tension mounts and fear takes root in your mind.
- 12
The Guest II
Single-player alternative to Insider Threat — playable solo, no multiplayer required. Shares Action and Indie with Insider Threat.
The Guest II is a first-person psychological horror experience.
- 13
Echoes in Darkness
Single-player alternative to Insider Threat — playable solo, no multiplayer required. Shares Indie with Insider Threat.
Echoes in Darkness is a first-person psychological horror experience.