Description:

From renowned producer and game designer Hideo Kojima (Metal Gear Solid 2), comes Boktai, the first GameBoy Advance title to use sunlight to influence gameplay. Boktai's breakthrough technology is achieved through the use of a solar sensor on the back of the GameBoy Advance cartridge. When the solar sensor is exposed to sunlight, the game uses this information and directly changes the gameplay experience.

Features:

Solar sensor on cartridge absorbs sunlight and directly influences gameplay 

Real time clock system changes the game environment depending on what time it is 

Certain monsters and creatures can only be destroyed by using sunlight 

From renowned producer and game deisgner Hideo Kojima