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Puzzle

Blueprint Beam

Turn mirrors and splitters on an engineering whiteboard to route red, green and blue beams into every receiver, then mix the colours they ask for.

How to play

  1. Tap a mirror or splitter to turn it 45° clockwise; hold it to turn it the other way.
  2. Send the beams into the receivers: each lights only with exactly its colour (red + green = yellow, green + blue = cyan, red + blue = magenta, all three = white).
  3. Light every receiver to clear the plan; finish within par for three stars.
  4. Chapter 4: drag magnet pieces from the tray onto empty squares, then turn them.
  5. Stuck? Tap Hint, or Undo to take back a move.

Free · No download · Mobile-friendly