Beamcasters

Coloured beams give heroes and blocks powers while they stand in the light. 267 of its 343 puzzles have a solution here.

Beamcasters areas

A beam passes through walls. Closed gates, gems, boulders, other beamcasters and the back of a mirror stop it.
Heroes, monsters and crystals standing in a beam gain its colour while the beam stays on.
A beamcaster is lit only when every gem slot in its room is filled.

Colour	Effect
Open	Bump a closed gate to open it.
Through	Walk into walls; only the destination tile is checked.
Smash	A failed push, or landing on a block, turns it to rubble.
Double	Moves cover two tiles at once.
Strong	Push like a Warrior.
Endpoint	Moving along the beam jumps to its far end; against it, to the beamcaster.
Squeeze	Pass through fences.
Alter	Changes how the other colours act (gates close, double becomes triple).