Chaos Zero Nightmare is a roguelike deck-builder where you command agents aboard the SS Nightmare through sci-fi runs against cosmic horror threats. Each character has their own card pool, letting you chase synergies and combo builds to dismantle enemies. Stress accumulates during missions—let it spike and agents suffer mental breakdowns that inflict Deep Trauma, permanently altering their capabilities. Between runs you unlock Trauma Code stories exploring each agent's fears and backstory, then visit the Epione Center for therapy sessions. These choice-driven conversations let you counsel agents to recover corrupted save data and strengthen bonds, or wipe memories for a quick stat reset at the cost of progress. Failed runs aren't just setbacks—they feed into long-term meta-progression. The 2D art draws from anime-inspired character animation. If you like deck construction with high-stakes resource management and narrative hooks tied to mechanical consequences, this delivers both.
