Boktai - The Sun Is in Your Hand

Developer: Konami

Boktai: The Sun Is in Your Hand turns the GBA into a sun-powered vampire hunt. Players control Django, an arm-mounted solar gunner, exploring top-down action-adventure stages, solving light-based puzzles and timing daylight to recharge weapons through a real-world solar sensor built into the cartridge. Combat blends fast-paced firearm action with resource management — sunlight is ammo — while dim conditions force stealthier approaches and careful planning against tough boss fights. Its inventive hardware gimmick, moody gothic aesthetic, and memorable challenge make Boktai a nostalgic, clever single-player experience that rewards outdoor play, timing, and strategic use of limited solar energy.