A panic-horror you can scream through with friends. A death-horror the moment you’re left alone. 

Features
･Cross-platform multiplayer
･Proximity voice chat
･A randomized, labyrinthine underground hospital (with some… unexpected facilities)
･Swarming sexy-nurse monsters
･A relentless pursuer unleashed as time ticks down
･Recover test-subject capsules from the facility
･Exchange rewards for random items (a.k.a. gacha)
･Linked transport system for high-speed hauling with multiple players
･Unlockable and customizable uniforms & auras
･Carry useful items to the next floor
･Total wipe = total loss

Will you uncover the hidden truth buried deep beneath UNDERWARD?