Travel 10 cells from where you started.
Travel 50 cells from where you started.
Travel 200 cells from where you started.
Travel 500 cells from where you started.
Travel 1,000 cells from where you started.
Travel 5,000 cells from where you started.
Visit 100 unique cells.
Visit 500 unique cells.
Visit 5,000 unique cells.
Visit 20,000 unique cells.
Discover 5 chunks of the maze.
Discover 50 chunks of the maze.
Discover 250 chunks of the maze.
Discover 1,000 chunks of the maze.