Crisis Force is a vertical shooter created by Konami in 1991? for the Famicom. The game brings about interesting mechanics and the typical Konami flair their games are known for. Crisis Force is only available in Japan, most likely because the game was released near the end of the NES/Famicom's lifetime. The game is also known for the impressive graphics, making full use of the Famicom's capabilities with claims it almost entering the 16-bit range. This is due to the cartridge having a custom chipset which allowed for better graphics. It is a rare game and has also been well received.