Play as a Poison Headcrab.
Controls:
-Attack-
Keyboard: Space
Controller: R2
Touch screen: Button
-Spawn NPC poison headcrabs (after you become a poison headcrab zombie)-
Keyboard: R
Controller: R1
Touch screen: Button
Charts
Roblox disabled public gamepass sales visibility in late July 2020. Sales data collected up to then is still available here for reference.