Layer Maze. Part 2: Locked Ways

Relax with the game Layer Maze Part 2 and run the ball in layers maze to find all the keys to the doors, including those from the - input. Watch for scale layers right on the screen, so you'll see which layer is currently in your ball. The layers can be quickly lost than ordinary single-layer maze. Control of the game:
Ball movement - arrow. Daylight layer - A J.