Unlock All Trophies in National Geographic Challenge!
Play a Quiz, alone or with friends.
Score over 1,000 points in a Short Quiz, alone or with friends.
Score over 2,000 points in a Medium Quiz, alone or with friends.
Score over 4,000 points in a Long Quiz, alone or with friends.
Win a Long Quiz against friends.
28 Trophies Unlocked
0 Trophies Unlocked