Ketsui: Kizuna Jigoku Tachi Extra

Originally a 2003 arcade masterpiece by Cave, Ketsui: Kizuna Jigoku Tachi Extra is a military-themed vertical shmup widely regarded as one of the most challenging and rewarding "bullet hell" games ever made. Set in a dystopian future, players pilot high-tech helicopters to dismantle the rogue EVAC corporation. This Xbox 360 port is highly celebrated for its inclusion of the exclusive "X Mode," which introduces a refined scoring system and adjusted difficulty that appeals to both newcomers and genre veterans. Known for its aggressive "proximity" scoring—where you gain higher rewards for destroying enemies at close range—and a pulse-pounding soundtrack by Manabu Namiki, this release remains a cornerstone of any serious shmup collection.