Press green flag. Then use the WASD-keys to move around. W: Jump A/D: Move Hold the S-key and move slowly to lock your x-position to a grid-column. Use this to slide into 1-block-wide holes in the ground.
My mind came up with a very interesting collision-detection Idea. As you can see, the collision detection is unfailable! I have so much fun just jumping around in this randomly generated maze that I felt the urge to share this fun with all of you =D ENJOY!!! =D