Dynamite Headdy, released in both the USA and Europe, is Treasure's well-regarded action platformer for the Sega Genesis. Its gameplay revolves around the character Headdy, using his detachable head for both combat and puzzle-solving.  This international release most likely contains some localization and adjustments to suit different markets. This version would maintain the core gameplay and visuals while accommodating regional variations in text, cultural references and potentially some slight adjustments to cater to local preferences. 

Dynamite Headdy (USA, Europe)

Dynamite Headdy (Japan)