Single-player games like The Paracelsian Project
Below are 8 single-player Steam games similar to The Paracelsian Project, 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 Paracelsian Project page.
Ranked picks
- 1

The Test: Secrets of the Soul
Single-player alternative to The Paracelsian Project — playable solo, no multiplayer required. Shares Indie and Adventure with The Paracelsian Project.
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..."
- 2

The Game of Fourtune
Single-player alternative to The Paracelsian Project — playable solo, no multiplayer required. Shares Indie and Adventure with The Paracelsian Project.
How far will you go to get your deepest wish granted? In The Game of Fourtune, help guide Clyde & Devon through this cruel game of life and death. Only one participant will get their wish granted. Four rounds and four deaths each round, are you ready to see if fortune is on your side?
- 3

KILLA
Single-player alternative to The Paracelsian Project — playable solo, no multiplayer required. Shares Indie and Adventure with The Paracelsian Project.
KILLA is a 3D adventure mystery with multiple endings. Valhalla, our protagonist, seeks the killer of her mentor, a mentor she treasures like family, venturing to an unknown island. Discover the culprit on this enigmatic island and embark on a journey of revenge.
- 4

Birth ME Code
Single-player alternative to The Paracelsian Project — playable solo, no multiplayer required. Shares Indie and Adventure with The Paracelsian Project.
The second entry of the Abime Series. Play as the mastermind in a death game where you must find the traitor while concealing your identity. Six hours, one school, six deaths. Nine participants fight for survival: it's kill or be killed, trust or deceive, escape or die.
- 5

The Test: Hypothesis Rising
Single-player alternative to The Paracelsian Project — playable solo, no multiplayer required. Shares Indie and Adventure with The Paracelsian Project.
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?
- 6

Tron: Identity
Single-player alternative to The Paracelsian Project — playable solo, no multiplayer required. Shares Indie and Adventure with The Paracelsian Project.
Something has been taken. Enter a new Grid and forge alliances via visual novel gameplay, uncovering truths through Identity Disc puzzles. Make critical decisions and plot your own course in a world without a creator.
- 7

The Shell Part I: Inferno
Single-player alternative to The Paracelsian Project — playable solo, no multiplayer required. Shares Adventure with The Paracelsian Project.
Unravel a string of gruesome murders terrorizing Tokyo in this mystery-thriller visual novel. The secrets of a case from six years prior may just be the key to the current unending cycle of tragedy—and the thing that cracks this woeful world’s shell may be one girl’s smile.
- 8

骸心 Mainbody
Single-player alternative to The Paracelsian Project — playable solo, no multiplayer required. Shares Indie and Adventure with The Paracelsian Project.
A puzzle-based horror game where the player takes on the role of a building manager who manages a haunted building and its "patients". Through the player's different options will raise or lower the pollution value, thus triggering different endings.