Harness the power of the sun to fight the undead in Boktai: The Sun is in Your Hands for the GameBoy Advance. Produced by Hideo Kojima, this innovative action RPG features a cartridge with a built-in solar sensor. You play as Django, a vampire hunter wielding the "Gun del Sol." To charge your weapon and defeat enemies, you must play the game in real-life sunlight. The in-game environment changes based on the time of day and the amount of sunlight captured. Stealth elements and puzzle-solving are crucial as you navigate dungeons to purify the Immortals. This unique integration of hardware and gameplay creates an immersive experience unlike any other.