ALIBI BIRTHDAY CHALLENGE Bygaga 04.03.2019 2018, Charm, Weekly Challenges Reward Comments 11/12/2018 ALIBI BIRTHDAY CHALLENGE overview Rainbow Six Siege – ALIBI BIRTHDAY CHALLENGE Wish Alibi a Happy Birthday with the Ubisoft Club Challenge. Destroy 20 attacker drones while defending to unlock Alibi’s Dog Tag charm. Alibi’s Dog Tag charm Alibi’s Dog Tag charm