
Subsurface Circular
You are a robot detective who never leaves his seat on a robot-only subway, solving disappearances by talking.
If you like sharp writing and clever systems, here you can explore all 7 games from Bithell Games, from neon-grid mysteries to quiet puzzles about shapes learning to think.
If you enjoy games built around ideas and conversation, you will find a clear thread across this collection from Bithell Games. Tron: Identity and Subsurface Circular let you question suspects, piece together motives and shape outcomes through dialogue, while Thomas Was Alone turns jumping puzzles into a tale of cooperation between shapes with different skills. Around them you get stealth runs in Volume, card-based spycraft in The Solitaire Conspiracy and further Grid intrigue in TRON: Catalyst, all centered on compact systems and characters to untangle.

You are a robot detective who never leaves his seat on a robot-only subway, solving disappearances by talking.

Guide a cast of colored rectangles through 120 minimalist levels, each with its own way of moving: jumping, floating, bouncing, swimming.

We need your help, Spymaster. Join a world of near-future spies and take on a supervillain in this supercharged take on classic Solitaire.

In the middle of a world-ending pandemic, a group of scientists discover the galaxy has been watching.

Pure stealth action and infinite level creation from the award-winning studio behind Thomas Was Alone.

Something has been taken. Enter a new Grid and forge alliances via visual novel gameplay, uncovering truths through Identity Disc puzzles.

Dive back into Disney's iconic TRON universe and explore the Arq Grid, a server on the brink of collapse.

You are a robot detective who never leaves his seat on a robot-only subway, solving disappearances by talking.

Guide a cast of colored rectangles through 120 minimalist levels, each with its own way of moving: jumping, floating, bouncing, swimming.

We need your help, Spymaster. Join a world of near-future spies and take on a supervillain in this supercharged take on classic Solitaire.

In the middle of a world-ending pandemic, a group of scientists discover the galaxy has been watching.

Pure stealth action and infinite level creation from the award-winning studio behind Thomas Was Alone.

Something has been taken. Enter a new Grid and forge alliances via visual novel gameplay, uncovering truths through Identity Disc puzzles.

A strategy game of exploration, endurance, and space travel on an interstellar gothic monastery.

A science fantasy dice city builder. Construct buildings, manage resources, and build in harmony with an alien ecology.