Engine with all features requested (+ wall jumping) ✦✦✦✦✦✦ ◦ arrow keys to move ◦ up arrow to jump or walljump ◦ down arrow to crouch ◦ hold X to run ◦ spacebar on ground to spin jump ◦ spacebar in midair to midair spin ◦ downarrow in midair to ground pound
Voice clips taken from Mario Party 8 Music was an older remake I did of the athletic theme from SMB3