Aliens: Colonial Marines - Collector's Edition Pack

Summary pulled directly from Steam - Some text may only be applicable to Steam platform

The Collector's Edition Pack includes:

Plasma Pulse Rifle - This special rifle fires charged balls of plasma annihilating any enemies caught in its path.
Sonic Electronic Ball Breakers - Landing on the floor, this special, high-tech grenade bounces several feet into the air before unleashing a large electrical charge that fries anything in the vicinity.
US Colonial Marines Academy firing range - Test your speed and accuracy with any gun in different scenarios & navigate multi-room obstacle courses, set on the U.S.S. Sephora, with enemy and innocent civilians targets.