Play with keyboard arrows or controls up above (only on mobile).
When the maze appears, you have a little moment to remember it.
The time you have to remember it and the size of the board depends on the level (+1 board size and + 2 seconds / 5 lvls).
Then, your have to make your way through the maze to reach a colored tile.
Yellow tiles are worth more than green ones.
Touching a wall makes you lose 1 point.
When at 0 points, you lose.
You can look at the code on GitHub