Boss battles: Discover the potential of your arsenal of powerful moves when defeating the massive bosses. Weapon upgrades: Your main weapon can be upgraded three times and you will feel the striking force of special weapon systems like Chain Shot, Blast Shot and Shock Wave. 6 challenging game modes: Go on a journey through 16 chapters of action in “Arcade” mode. Challenge others in Chapter, Survival, Wave, Time Limit and Tactics. ... a lot more to be announced.