Key Features
- 6 different classes, with unique features and skills
- Character development through unlocks and upgrades
- Hard, medium and easy of course
- Customize difficulty with several different modifiers
- Controller support, supports various different gamepads
- Multiplayer COOP, for up to four players, online, LAN and local
- PC, MAC and Linux support
- Mod and editing support, make your own levels and change other things to your liking