Always has the ChallengeType.Collect type. Involves any challenge that has the user collecting ammo
Always has the ChallengeType.KOTC type. Involves any challenge that has the user doing stuff based around the coop
Has either the ChallengeType.Movement or ChallengeType.Kill type. Involves any challenge that has the user jumping X times or doing an action while jumping
Always has the ChallengeType.Kill type. Involves any challenge that has the user getting a killstreak of X
Always has the ChallengeType.Kill type. Involves any challenge that has the user killing with some extra condition
Always has the ChallengeType.Kill type. Involves any challenge that has the user getting a X kills with a specific gun
Always has the ChallengeType.Movement type. Involves any challenge that has the user traveling for X distance
Has either the ChallengeType.KOTC or ChallengeType.Spatula type. Involves any challenge that has the user doing some offensive action, such as capturing the Spatula or Coop
Always has the ChallengeType.Time type. Involves any challenge that has the user staying alive for a certain amount of time
Has either the ChallengeType.Kill or ChallengeType.Time type. Involves any challenge that has the user playing for a specific duration or getting a killstreak in a specific duration
Has either the ChallengeType.Kill or ChallengeType.Spatula type. Involves any challenge that has the user getting a certain number of total kills, or kills involving the spatula
Has either the ChallengeType.KOTC or ChallengeType.Spatula type. Involves any challenge that has the user winning KoTC matches or gaining kills with the spatula
Possible values for the "subType" prop on Challenge