Disaster Arms Impact Project BAHN shooter anime action game with sci-fi flair, giving players the chance to pilot massive biomechanical arms in a post-apocalyptic world ravaged by corporate experiments gone wrong. The plot follows Dr. Lena Voss, a rogue engineer who activates the BAHN prototype, a sentient arm cannon designed to counter dimensional rifts, only to unleash a horde of mutated mechs and rift born horrors upon the shattered megacities. As Lena fuses with the arm to survive, she uncovers a conspiracy where her former employers at NeoArms Corp engineered the disasters to test their weapons on live populations, forcing her to ally with underground hackers and rift survivors to dismantle the project from within. What starts as a desperate defense against the first rift spawn escalates into a globe spanning war, with Lena's choices determining if she saves humanity or becomes the ultimate disaster arm.