Diversionists have disembarked above your base.
Don't let them infiltrate your base and make a diversion.
In order to protect yourself you have cannons at your disposal that you can modify and enhance.
Earn medals, enhance your defences, purchase modifiers and earn archievments and eventually you will unlock a bonus level.

Other:
- Hardcore gameplay;
- Fascinating mechanics;
- Achievements, which in the aggregate open access to the bonus level;
- Pleasant stylization;