Involves any challenge that needs you to stay alive, potentially while doing something
Involves the single challenge where you and a killed victum are both airborne
Involves the single challenge where you kill an egg when you are <10 health
Involves any challenge where you either need to kill multiple eggs at once or collect a specific amount of ammo boxes
Involves the two challenge where you kill an egg on the coop, or vice versa
Involves the single challenge where you kill an egg in one shot
Involves the single challenge where you kill an egg as they reload or collect a specific amount of grenades
Involves any challenge that needs a streak of X
Involves any challenge that needs you to play for X minutes
Involves any challenge where you need to be scoped
Possible values for the "conditional" prop on Challenge