Single-player games like Who Killed Mr X
Below are 8 single-player Steam games similar to Who Killed Mr X, 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 Who Killed Mr X page.
Ranked picks
- 1
Phantom: Hidden Sins
Single-player alternative to Who Killed Mr X — playable solo, no multiplayer required. Shares Indie with Who Killed Mr X.
As an independent police consultant, you're pulled into the hunt for a serial killer leaving cryptographic ciphers. Play as a detective, analyze crime scenes, and master real decryption methods. Your choices determine if you catch the killer and how many lives are saved.
- 2
Evil School
Single-player alternative to Who Killed Mr X — playable solo, no multiplayer required. Shares Indie and RPG with Who Killed Mr X.
This game is an FMV about anti-bullying. A teenage girl mysteriously disappeared, and the truth was buried by power for eight years. Now, you return to this place of evil with a bloodstained list. The moment of slay & judgment has arrived...
- 3
The Unclosed Case
Single-player alternative to Who Killed Mr X — playable solo, no multiplayer required. Shares Indie with Who Killed Mr X.
A psychological detective thriller. Everyone has already decided who did it. You don't have to. Investigate a double death, question everyone who loved them, and discover how much you can trust your own mind.
- 4
Dean Archer Stories: The Missing Detective
Single-player alternative to Who Killed Mr X — playable solo, no multiplayer required. Shares Indie with Who Killed Mr X.
A detective vanished. An office locked from the inside. You were his last appointment. Investigate every corner and uncover what Dean Archer hid. A noir point & click adventure in a city that prefers not to look.
- 5
Condition Unknown
Single-player alternative to Who Killed Mr X — playable solo, no multiplayer required. Shares Indie with Who Killed Mr X.
A text-based psychological horror experience set inside a hospital where something is deeply wrong — and death may not be the end.
- 6
The Test: Secrets of the Soul
Single-player alternative to Who Killed Mr X — playable solo, no multiplayer required. Shares Indie and RPG with Who Killed Mr X.
You will answer a series of questions that will reveal things from deep within. Some will be uncomfortable, but with great knowledge comes great sacrifice. Can you make it all the way through The Test, and are you SURE you want the answers you seek? For it is time to unlock "Secrets of the Soul..."
- 7
The Test: Hypothesis Rising
Single-player alternative to Who Killed Mr X — playable solo, no multiplayer required. Shares Indie and RPG with Who Killed Mr X.
The second chapter in The Test trilogy. Answer a series of in-depth questions to reveal hidden truths about yourself and unlock secrets to discover how your life can change drastically with just a few, slight modifications. ...But are you sure you want the answers you seek?
- 8
Back to the Dawn
Single-player alternative to Who Killed Mr X — playable solo, no multiplayer required. Shares Indie with Who Killed Mr X.
Back to the Dawn is a story-rich RPG set in a high-security prison ruled by factions and buried secrets. Investigate two conspiracies from the inside, gather evidence, and outsmart a system designed to silence you. Make friends (or foes) with fellow inmates and with their help, break out of prison.