Pixel perfect jump

A phenomenon in platformer games where physics allows characters to be positioned on exact pixels. The canonical example is the Wall Jump in super mario bros. where Mario lands in the space between two wall tiles, jumping at a vertical wall. Entire levels where Pixel perfect jumps are required are called 'Kaizo levels'. The most famous(and hardest) example of such level(played by a bot replaying human queued actions, since actual gameplay is impossible due difficulty) : https://www.youtube.com/watch?v=JuZMvMtZCWU