Skill 1: Gun Collector (passive) / 5 Levels
Unlock better pistols

Skill 2: Rush of Battle (passive) / 6 Levels
More speed

Skill 3: Lucky Shot (attacker) / 6 Levels
Chance to deal extra damage

Skill 4: Bounty Hunter (attacker) / 6 Levels
Collect money from kills

Ultimate: Exclusive Suppliers / 1 Level
Change weapons