Single-player games like The Poisoner (Prelude)
Below are 11 single-player Steam games similar to The Poisoner (Prelude), 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 The Poisoner (Prelude) page.
Ranked picks
- 1

Treasure Hunter
Single-player alternative to The Poisoner (Prelude) — playable solo, no multiplayer required. Shares Indie and Adventure with The Poisoner (Prelude).
Treasure Hunter is a VR first-person adventure thriller game. Designed with the unique capabilities of virtual reality in mind, the game allows players to inhabit the spine-chilling world of Tresure Hunter and interact with terrifying devices.
- 2

Hallway of Horrors
Single-player alternative to The Poisoner (Prelude) — playable solo, no multiplayer required. Shares Indie and Casual with The Poisoner (Prelude).
Explore a mysterious labyrinth of rooms and hallways, but be careful - for you are not alone in the Hallway of Horrors. Made with Unreal Engine 5 for Steam VR.
- 3

Twin Peaks VR
Single-player alternative to The Poisoner (Prelude) — playable solo, no multiplayer required. Shares Indie and Adventure with The Poisoner (Prelude).
Twin Peaks VR brings people into the world of Twin Peaks using the immersive technology of VR. Based on the iconic television series created by David Lynch and Mark Frost, players will be able to experience several locations from the show including the Red Room, Glastonbury Grove, Sheriff's Department, Glass Box Observation and more.
- 4

Duck Season
Single-player alternative to The Poisoner (Prelude) — playable solo, no multiplayer required. Shares Indie and Adventure with The Poisoner (Prelude).
The game of your dreams just dropped, DUCK SEASON, a hunter with ridiculous graphics. Luckily, it's summer vacation and Mom just surprised you with a one day rental of it! Unfortunately, as you binge play it becomes apparent that all is not right with Duck Season...
- 5

theBlu
Single-player alternative to The Poisoner (Prelude) — playable solo, no multiplayer required. Shares Indie and Adventure with The Poisoner (Prelude).
Experience the wonder and majesty of the ocean through a series of habitats and come face to face with some of the most awe inspiring species on the planet.
- 6

Accounting+
Single-player alternative to The Poisoner (Prelude) — playable solo, no multiplayer required. Shares Indie and Adventure with The Poisoner (Prelude).
Accounting+ is a NIGHTMARE ADVENTURE COMEDY. Experience classic virtual reality gameplay: clean up your office, take the battery out of the cooling machine, play the skeleton xylophone, and summon thousands upon thousands of demons.
- 7

Operation Warcade VR
Single-player alternative to The Poisoner (Prelude) — playable solo, no multiplayer required. Shares Indie and Adventure with The Poisoner (Prelude).
Relive the experience of playing the classic war arcade in a totally amazing way, thanks to virtual reality and the innovative immersion system that will make it possible for you to travel inside the video game.
- 8

Aeon
Single-player alternative to The Poisoner (Prelude) — playable solo, no multiplayer required. Shares Indie and Adventure with The Poisoner (Prelude).
A primitive god in ancient Greek mythology who controls time, is resurrected in the virtual world, Inspired by "The Matrix" and "Deadpool" (remember,the slower you move the slow time goes)
- 9

Wave Circles: Rhythm Dance Music
Single-player alternative to The Poisoner (Prelude) — playable solo, no multiplayer required. Shares Indie with The Poisoner (Prelude).
Submerge yourself into a flowing combination of music beats, visual effects, and challenges in Wave Circles’ unparallel gameplay. Challenge friends in a virtual rhythmic dance-off or share your own vibes.
- 10

Mace and Grace: action fight blood fitness arcade
Single-player alternative to The Poisoner (Prelude) — playable solo, no multiplayer required. Shares Indie and Casual with The Poisoner (Prelude).
Protect your Grace and Kingdom. Have a blast dodging bombs and smashing enemy knights. Seize the day and go for another round. Play the most furious Medieval arcade ever!
- 11

The Poisoner
Single-player alternative to The Poisoner (Prelude) — playable solo, no multiplayer required. Shares Indie and Adventure with The Poisoner (Prelude).
Immerse yourself into a dark virtual thriller as a police detective on the case of a deranged serial killer on the loose. Don't leave anything unturned, and finally uncover the mystery of the Poisoner before they find you.