Omega One (Steam key).

http://store.steampowered.com/app/575740/Omega_One/
Omega One is an amazing take on the shoot em up genre.

The game will have a number of features:

In game features:
- Xp Leveling system - rank up your profile to unlock new ships and weapons.
- Wave system with boss battles to keep things interesting.
- Online Scoreboards.
- 360 movement - Turn/Strafe/reverse and boost your way in and out of battle.
- Split screen Vs mode.
- Offline practice mode.
- Online competitive mode.
- Many enemies and enemy types.
- Many different power-ups to keep you alive in battle.
- MAYHEM!

Other features:
- Full controller support
- Steam achievements
- Steam trading cards