Coma State Eden [昏睡状態エデン]

"Coma State Eden" is a twin-stick shooter game with tight gameplay and a chiptune soundtrack, in which players enter the dreams of coma patients. Players can fire and level up their shots, and use a Flash Shield to counterattack enemy projectiles. According to the game's description, unlucky coma patients claim to have seen an "enigmatic spaceman" who battles an "age old evil" in their dreams.