A new game from Microsoft Innovation Center at Duy Tan University! 
This game is a combination of side scroll tower defense game and shooting game. Join the justice force and push back the enemy. 
Game features: 
- 30 challenge level to complete. 
- Get higher level to increase shooting damage and HQ health. 
- Spend skill points to upgrade troops and skills. 
- Reach higher level to change turret and HQ appearance.

Link