Games like The Canon Keeper
Games like The Canon Keeper include Beholder, Beholder 2, LoveChoice, Papers, Please, and Volcano Princess. We matched them by the tags players give The Canon Keeper on Steam (Job Simulator, Simulation, Faith, Choices Matter, and Dystopian ): closest matches first, and among equally close ones the better-known games.

Beholder
Shared: Choices Matter · Dystopian · Simulation

Beholder 2
Shared: Simulation · Choices Matter · Dystopian

LoveChoice
Shared: Choices Matter · Story Rich · Simulation

Papers, Please
Shared: Simulation · Dystopian · Story Rich

Volcano Princess
Shared: Choices Matter · Simulation · Multiple Endings

Not For Broadcast
Shared: Choices Matter · Simulation · Dystopian

The Test
Shared: Simulation · Story Rich · Multiple Endings

Emily is Away Too
Shared: Simulation · Choices Matter · Story Rich

The Test: Hypothesis Rising
Shared: Simulation · Choices Matter · Multiple Endings

Death and Taxes
Shared: Simulation · Choices Matter · Story Rich

Emily is Away <3
Shared: Simulation · Choices Matter · Story Rich

Undertale
Shared: Choices Matter · Story Rich · Multiple Endings

VA-11 Hall-A: Cyberpunk Bartender Action
Shared: Story Rich · Dystopian · Choices Matter

Quarantine Zone: The Last Check
Shared: Simulation · Choices Matter · Post-apocalyptic

Orwell: Keeping an Eye On You
Shared: Simulation · Choices Matter · Dystopian

Detroit: Become Human
Shared: Choices Matter · Story Rich · Multiple Endings

BAD END THEATER
Shared: Choices Matter · Story Rich · Multiple Endings

Song of Farca
Shared: Choices Matter · Simulation · Story Rich

Tellers Duty
Shared: Simulation · Job Simulator · Choices Matter

Beholder Conductor
Shared: Choices Matter · Dystopian · Simulation

Road to Empress I
Shared: Choices Matter · Story Rich · Multiple Endings

Love Delivery
Shared: Simulation · Story Rich · Visual Novel

Road 96
Shared: Choices Matter · Story Rich · Dystopian

Suzerain
Shared: Choices Matter · Story Rich · Visual Novel