Laser Mirrors
PuzzleFree to playRotate mirrors to light every receiver.
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How to Play
Laser Mirrors puts a laser on one edge of a 7x7 board and two or three receivers around the grid, with a handful of mirrors in the way. Each mirror is either a forward slash or a backslash and tapping flips it, so the puzzle is choosing the orientation of every mirror at once. The beam is traced after each tap, which means the board always shows exactly where the light is going.
Controls
- Flip — Tap a mirror to switch it between / and \
- Pause — P
Tips & Tricks
- 1Each mirror has two states and tapping returns it to the one it had before, so there is no such thing as a wasted move you cannot take back. A mirror you flipped three times is a mirror you have not touched.
- 2A slash sends the beam from east to north and from west to south; a backslash sends east to south and west to north. Reading the pair off the board is faster than remembering the rule, because the light has already drawn the answer.
- 3The three rounds carry four, five and six mirrors with two, two and three receivers while the clock drops from 120 seconds to 105 to 90, so the last board is both the busiest and the shortest.
- 4The beam is traced on every tap rather than on a submit, so a receiver that is already lit never needs attention again — the remaining work is only ever the unlit ones.
Frequently Asked Questions
What do the three rounds change?
Mirror count and receiver count, and the clock. Round one is four mirrors and two receivers on 120 seconds, round two is five and two on 105, round three is six and three on 90. The board stays 7x7 throughout.
Is the puzzle solved when the beam reaches one receiver?
No. Every receiver on the board has to be lit before the round counts as cleared, which is why the last round with three receivers is the hard one — one beam has to be aimed at three separate targets.
Can I play on my phone?
Yes. A tap on a mirror cell is the entire input, read from canvas coordinates, and the score counter counts those taps, so a touch screen plays the same as a mouse.
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