http://store.steampowered.com/app/545320/CountDown/
- 20 Countdown levels
- 10 single-player CountDown Levels
- 10 Co op CountDown Levels
- Single-player Endless mode
- Co op Endless mode
- 10 unique ships
- 7 unlockable ships
- over 10 abilities and weapons
- full controller support
- Online Scoreboard