A D or < > to walk, and double tap and hold to run Z, space bar, or L to jump S or down arrow(v) to crouch(holding lets you do a power jump like in SMB2) Jump towards a wall to wall jump :D
SUPER MARIO BROS. 99 I planned on adding a spin-jump, but I never got to starting that. UPDATES: ~fixed infinite jump after squat jumping ~double tap to run ~koopa troopas ~wall jumping and probably more