Play Balloon Invasion unblocked, a free online Shooting game brought to you by Unblocked Games. In Balloon Invasion unblocked, you are the commander of the anti-air defense in the area. The enemy is invading from the open sea with enormous battle groups of bomb-armed balloons. Win battles, gain experience, level up and use your commander points to gain access to upgrades and various weapons. Balloon Invasion unblocked is rated E for everyone.