Welcome to Calculation Castle

A floating dungeon of numbers, rules, and quiet tension. Each room is a self-contained logic puzzle: you move across tiles and your path becomes the equation. Reach the target sum, obey the room’s rule, and unlock the next chamber.

How it plays

  • Move on a grid (WASD / arrow keys).
  • Step on numbered tiles to build your total.
  • Each room has a rule (exact sum, limits, special tiles, etc.).
  • Plan your route — the solution is a path.

Why you'll like it

  • Minimalist and mysterious — a calm, dark atmosphere.
  • Fast to learn, satisfying to solve.
  • Short sessions — clear puzzles with clean rules.

Controls

  • Move: WASD / Arrow Keys
  • Reset: R
  • Menu: ESC

Support

This game is free. If you enjoyed it and would like to support future free projects, you can support this game here or buy me a coffee . No pressure - I’m just glad you played.


More information

Development log

Leave a comment

Log in with itch.io to leave a comment.