Laser Maze

Laser Maze is a museum heist played with light. A laser emitter is bolted to the gallery wall and fires a single beam down across the marble floor; the vault door at the far end will only open once every sensor on it is reading exactly the colour it is waiting for. Between the two stand the gallery's mirrors, and it is your job to turn them. A gilt swivel mirror is silvered on one face only, so pointing it the wrong way swallows the beam entirely, while a double-sided mirror bounces light off either side. Some pieces are already on the floor and only need turning; the rest sit on a shelf below the board and have to be carried onto an empty tile first.

The deeper galleries add to the kit. Beam splitters send the same light two ways at once. Cut crystal prisms cut a white beam into red, green and blue and throw each colour off at a right angle, so one emitter can answer three sensors. Stained-glass filters let a single colour through and stop the rest, paired portals swallow a beam on one side of the room and spit it out on the other, and marble plinths and statues block the light wherever they stand. A guard dozes in his chair through all of it — let a beam cross him and he stirs, and you will want that move back.

There are one hundred levels across five galleries, from the Sculpture Hall through the Crystal Room to the Vault, each one built solution first and checked before it reaches you, so there is always a way through. Stars are awarded against par, and star totals open the next gallery. Beyond the galleries there is a Daily Heist that is the same room for everybody on a given date, a Time Attack that throws small boards at you for three minutes, and a Sandbox with the whole toy box and nothing to solve. Undo, restart and three hints per level are always on hand. Tap or click a mirror to turn it, drag from the shelf, or play the whole thing on the keyboard: arrows move the cursor, space turns, U undoes, H hints, R restarts.