Question: what are the skull trooper challenges?
Answer: Complete 7 Daily Challenges – 1,000 XP.
Play matches (50) – 1,000 XP.
Play matches with at least one elimination (14) – 1,000 XP.
Search 10 chests in one match – 500 XP.
Deal damage to opponents in a single match (1,000) – 1,000 XP.