Examination of Metroid's questionable frame logic, explanation of the Main Game Loop, and a dive into how the rooms are loaded from ROM to RAM. Featured Game Genie Codes: (Take note that I have not tested all of these with a real cartridge) Disable: - Sound FDS: AVNI-UNGG Cart: AVUL-GUOZ - Enemy Animation ATKYIL - Weapon AVUSYG - Samus ATEKSG - World AVKPLI - Lift AVUILY - Statues AVSIKP - Destroy Animation AVONSZ - Memu ATVYSG - Env Enemies ATUNUP - Skree Explode AVSNSL - Door ATOAUL - Door Bubble ATNEOL - Tiles ATONUT - Collision ATUYGA - HUD AVKTPA - Pipe Enemy AVNYXZ - Missile Toggle ATOINL - Powerups ATUINL - Life Support Gone AVVYUI Change Left of Start to 1B LPEZ-AYYO