Gunlocked - The 2nd Gunning

Gunlocked: The 2nd Gunning DLC brings a sequel's worth of content to Gunlocked, the roguelike shmup. More bosses, playable characters, equippable upgrades, achievements, and challenges await.
Key Features

3 new bosses
7 new playable characters w unique abilities
5 new trials to customize the difficulty
10 new achievements
5 new secret, super weapons (Symbionics)
Dozens of new upgrades:

more information