Puzzles

Prism

Split the light

Steer light with mirrors and split it with prisms. Light every crystal in its own color: red and blue make magenta, red and green make yellow, green and blue make cyan.

Difficulty
Free, nothing to install

How to play

Tap a mirror to turn it (/ ↔ \). Bolted mirrors do not turn.

  • The prismA prism splits white light: red goes straight, green turns left, blue turns right. Colored light passes a prism unchanged.
  • Mixed crystalsThis crystal wants two colours: make two beams meet in it. The three dots under it show which.
  • Two lightsThere are two light sources now: use the light of both.
  • Bolted mirrorsA bolted mirror never turns: route the light around it.
  • FiltersA filter lets only its own colour through and stops the rest.
  • A mirror in handTap an empty tile to put it down.