Alibi Birthday Challenge Bygaga 12.12.2019 2019, ACS12, Alibi, Weekly Challenges Reward Comments Alibi Birthday Challenge Wish Alibi a Happy Birthday with the Ubisoft Club Challenge. Destroy 20 attacker drones while defending to unlock the Alibi’s Gift weapon skin for the ACS12. Alibi’s Gift weapon skin for the ACS12 Alibi’s Gift weapon skin for the ACS12