Arrows to move. Space to flip gravity. Get the mail. Down to crouch and ground-pound, and also activate levers. P2: WASD and lower keys (ZXCVBNM) to flip gravity. Player 2 is somewhat glitchy. Press R to restart.
A new challenger arrives! This mechanical monster will tear you apart from your skill! Not even the current final boss, ???, can withstand a single hit from him! He's so powerful he wasn't even supposed to be in this game! Can you dodge his attacks? He only fights those who can expertly get through the game without dying once.