Castle Mode
Drag to aim your cannon through x2, x3 and +20 gates. Dodge red walls, saw blades and spinning bars, and break the castle before the red army reaches you.
Army Mode
Shoot +1 blocks to build a battery of cannons, then fire everything through the giant purple gate to stop a red horde of thousands.
Easy to start, hard to put down
- A boss every fifth level. A red giant leaps over the castle wall, club first.
- Four worlds. Green Valley, Golden Desert, Frozen Plains and Fire Volcano, with wind and night battles.
- Upgrades and new cannons. Spread Cannon, Heavy Cannon, Gatling, plus bombs, ice bombs and reinforcements.
- Leaderboards for both modes with Google Play Games, and a daily reward that grows with your streak.
- Endless levels. The battlefield changes every time you retry.
27 medals to earn
From First victory to Supreme commander.
Root Studios
We make quick, satisfying games you can play with one finger. Blue Invasion has no ads and no tracking: your progress stays on your phone.
Questions, ideas or found a bug? Mail us at support@root-studios.com.