Single-player games like Twilight Protocol
Below are 8 single-player Steam games similar to Twilight Protocol, 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 Twilight Protocol page.
Ranked picks
- 1
Saturnalia
Single-player alternative to Twilight Protocol — playable solo, no multiplayer required.
A Single-Player Survival Horror Adventure: play as a cast of characters exploring an isolated village haunted by an ancient ritual—but beware, its labyrinthine roads will change each time you lose all your characters.
- 2
Xi
Single-player alternative to Twilight Protocol — playable solo, no multiplayer required. Shares Indie with Twilight Protocol.
"Xi" is a horror puzzle game set in the context of modern Chinese folklore. The story takes place in an long-abandoned mountain mansion. This immersive escape room experience feels a bit too real, with eerie and strange elements everywhere—an empty banquet, an endless corridor.
- 3
The Operator
Single-player alternative to Twilight Protocol — playable solo, no multiplayer required. Shares Indie with Twilight Protocol.
Welcome to the FDI. As our newest Operator, your role is to use your detective skills to assist our field agents and investigate mysterious crimes. Use cutting-edge FDI software to dig for clues, solve puzzles, and uncover the truth.
- 4
GET EVEN
Single-player alternative to Twilight Protocol — playable solo, no multiplayer required. Shares Indie with Twilight Protocol.
Take a deep breath... Try to remember: a girl, a chair, a bomb. Just keep... calm. Follow the voice into the depths of you memory. Relax... and search for the darkest memories in the deepest recesses of your mind. Can you find her? The clock is ticking... And this is just a part of the treatment.
- 5
Filthy us 2
Single-player alternative to Twilight Protocol — playable solo, no multiplayer required. Shares Indie with Twilight Protocol.
千禧年初西北某地，一起恶性杀人事件轰动一时，行凶者临死前紧紧握着半张佛脸，他强烈的怨念引起了“无者”的注意。随着探究的深入，竟又牵扯出十年前另一起纵火灭门案！相同的一尊佛像，背后暗藏的究竟是天灾还是人祸。在那片由怨念产生的怨秽地之中，种种诡异可怖的表象之下，深埋着未知的秘密。
- 6
INPUT6
Single-player alternative to Twilight Protocol — playable solo, no multiplayer required. Shares Indie with Twilight Protocol.
INPUT6 is a short, fast-paced, first-person horror game. Search through the abandoned robot factory avoiding malfunctioning robot by instantly switching between playing in separate sections of the facility. Figure out what led to the company's collapse. Be quick! You don’t have much time.
- 7
The Case of the Golden Idol
Single-player alternative to Twilight Protocol — playable solo, no multiplayer required. Shares Indie with Twilight Protocol.
A new kind of detective game that allows you to think and investigate freely. Discover clues surrounding 12 strange and gruesome deaths and build your own theory. Pick your suspect, deduce the motive, unmask the awful truth.
- 8
Puppet House
Single-player alternative to Twilight Protocol — playable solo, no multiplayer required. Shares Indie with Twilight Protocol.
Puppet House is a puzzle-adventure horror with escape room elements. A freak ritual creates a killer puppet, murdering anyone who enters the ventriloquist’s mansion. Detective Rick, seeking missing locals, will soon face his greatest horror.