Boktai: The Sun Is in Your Hand

Boktai: The Sun Is in Your Hand (ボクらの太陽, Bokura no Taiyō, "Our Sun" in Japan) is an action-adventure role-playing video game released by Konami for the Game Boy Advance in 2003. The player takes the role of Django, a vampire hunter, who uses a weapon called the "Gun Del Sol" (Solar Gun), that fires bolts of sunlight at enemies.