团队合作是关键。

Objectives

酒桶大战助攻得分：

Tiers

1. 1 : 1 objectives completed
2. 1 : 10 objectives completed
3. 5 : 25 objectives completed
4. 5 : 50 objectives completed
5. 5 : 100 objectives completed
6. 5 : 250 objectives completed
7. 5 : 500 objectives completed