About Catculus

Looking for a quick puzzle game? Catculus - A cat-flavored calculator adventure - type, experiment, discover. It plays instantly in any modern browser on desktop and mobile - no downloads. Controls: Mouse / Keyboard.

How to play

Press PLAY and follow the cat-culator tutorial.
Type answers and watch the story react.
Poke every button - hidden modes are hiding.
Made by the author of Coup Ahoo.

Category: Puzzle
Controls: Mouse / Keyboard
Works on: Desktop & mobile browser
Added: 2026-10-19
Source: anttihaavikko/js13k-2025 (MIT)
Feedback: Report a problem