Single-player games like Conspiracy Simulator
Below are 8 single-player Steam games similar to Conspiracy Simulator, 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 Conspiracy Simulator page.
Ranked picks
- 1

a permanent echo
Single-player alternative to Conspiracy Simulator — playable solo, no multiplayer required.
Uncover Sabotage, Conspiracy and Counter-Revolution in this cyberpunk detective mystery. Using a mind-probing interface, you explore and act within memories, collect facts, meet agents of change and enormous corporations. Build your case against a person torn between idealism and turmoil.
- 2

Kamiya Detective Agency: High School Girl Vanished in The Summer
Single-player alternative to Conspiracy Simulator — playable solo, no multiplayer required. Shares Indie with Conspiracy Simulator.
A mystery set in Fukuoka, Japan. Former cop Kengo Kamiya and assistant Hikaru tackle a high school girl's disappearance. A "Photoreal Novel" fully utilizing actual photos and AI. Enjoy snappy banter and unexpected twists in this simple, choice-driven mystery visual novel.
- 3

Rotted - A Brain Rot Simulator
Single-player alternative to Conspiracy Simulator — playable solo, no multiplayer required. Shares Indie and Simulation with Conspiracy Simulator.
Rotted is a high-stress survival roguelite. Trapped in a room with a phone, swipe the feed to stack game-breaking powerups while juggling physical chaos, hunger, and anxiety. Break the loop, outsmart the rogue AI, and shut down the network... or rot.
- 4

Welcome to Lightford
Single-player alternative to Conspiracy Simulator — playable solo, no multiplayer required. Shares Indie with Conspiracy Simulator.
Investigate a supernatural conspiracy in a 90s town hiding something far worse than secrets. Travel between 1990 and its ruined 1995 future, photograph anomalies, decode entities, and survive a town that doesn't want you here. Think outside the box. Every problem has more than one solution.
- 5

DOPROS
Single-player alternative to Conspiracy Simulator — playable solo, no multiplayer required. Shares Indie and Simulation with Conspiracy Simulator.
DOPROS is a dark, Orwellian interrogation experience. Will you break and give it all away, or will you try to get free? It's only up to you, but keep in mind, your every word may and will be used against you…
- 6

The Test: Secrets of the Soul
Single-player alternative to Conspiracy Simulator — playable solo, no multiplayer required. Shares Indie and Simulation with Conspiracy Simulator.
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

Please, Watch The Artwork
Single-player alternative to Conspiracy Simulator — playable solo, no multiplayer required. Shares Indie with Conspiracy Simulator.
Night surveillance at the museum but the paintings are alive. Watch, listen and report all changes. A lonely clown roams the canvases. Deceptive. Weird. Melancholic. Relaxing? No jump scares or monsters, but the game can feel oppressive at times.
- 8

The Operator
Single-player alternative to Conspiracy Simulator — playable solo, no multiplayer required. Shares Indie and Simulation with Conspiracy Simulator.
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.