Standard: Weekly challenge • Weekly challenge rewards • Prestige points • Prestige hunterEvents: Autumn challenge • Shadow challenge • Anniversary challenge • Winter challenge • Stay at home challenge (III, VI) • Resource Wars (2020) challenge • ST-1H3 Colossus Challenge • SR-13A Liberty Challenge • Hungry for LOVE! (2021) • Spring Challenge • Summer ChallengeSee also: Epic battle • Prestige points booster