Single-player games like Project: Z3R0 Chapter 1&2
Below are 8 single-player Steam games similar to Project: Z3R0 Chapter 1&2, 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 Project: Z3R0 Chapter 1&2 page.
Ranked picks
- 1
Subsurface Circular
Single-player alternative to Project: Z3R0 Chapter 1&2 — playable solo, no multiplayer required. Shares Indie and Casual with Project: Z3R0 Chapter 1&2.
When the truth is buried, go underground. Step into this new take on text-based adventure from the award-winning team behind Thomas Was Alone and Volume. A short story that hands you the fate of the world above, as a detective looking for answers on the Subsurface Circular.
- 2
Zombie Apocalypse Survival Simulator
Single-player alternative to Project: Z3R0 Chapter 1&2 — playable solo, no multiplayer required. Shares Indie with Project: Z3R0 Chapter 1&2.
From the creators that brought you The Test Trilogy & many other experiences, comes Zombie Apocalypse Survival Simulator. Will you survive in the new world? Or will you become just another victim to looters, bandits, or worst of all... The Voracious Dead. There's only one way to find out...
- 3
The Test: Hypothesis Rising
Single-player alternative to Project: Z3R0 Chapter 1&2 — playable solo, no multiplayer required. Shares Indie with Project: Z3R0 Chapter 1&2.
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?
- 4
Uncover the Smoking Gun
Single-player alternative to Project: Z3R0 Chapter 1&2 — playable solo, no multiplayer required. Shares Indie with Project: Z3R0 Chapter 1&2.
A Battle of Wits with AI: Solve the case by conversing with a suspect robot using GPT to gather evidence. What single truth emerges from countless dialogues and pieces of information?
- 5
Paradise Killer
Single-player alternative to Project: Z3R0 Chapter 1&2 — playable solo, no multiplayer required. Shares Indie with Project: Z3R0 Chapter 1&2.
Paradise Island, a world outside reality. There’s been a murder that only "investigation freak" Lady Love Dies can solve. Gather evidence and interrogate suspects in this open world adventure. You can accuse anyone, but you’ll have to prove your case in trial. It’s up to you to decide who’s guilty.
- 6
Sarawak
Single-player alternative to Project: Z3R0 Chapter 1&2 — playable solo, no multiplayer required. Shares Indie with Project: Z3R0 Chapter 1&2.
A short literary mystery game set in Oxford and Borneo
- 7
Quarantine Circular
Single-player alternative to Project: Z3R0 Chapter 1&2 — playable solo, no multiplayer required. Shares Indie and Casual with Project: Z3R0 Chapter 1&2.
In the middle of a world-ending pandemic, a group of scientists discover the galaxy has been watching. From the award-winning team behind Thomas Was Alone and Subsurface Circular, Quarantine Circular is the next mutation in text-based adventure.
- 8
The Darkside Detective: A Fumble in the Dark
Single-player alternative to Project: Z3R0 Chapter 1&2 — playable solo, no multiplayer required. Shares Indie and Casual with Project: Z3R0 Chapter 1&2.
Delouse your room with sage and pack up your travel-sized ouija board, it’s time to re-enter Twin Lakes - America’s 34th most haunted city. Join Detective McQueen as he puzzles his way through 9 chilling cases, risking life and pixelated limb to solve the macabre mysteries that plague the poor town.