Your base is under attack! Get your best chopper out there immediately and demolish every enemy unit on sight. Don't forget to build towers and repair damaged towers to help accomplish your mission.
Take command of your vessel which is the only shield of humanity against the mysterious alien attackers. Avoid their attacks, and blast them back to the deep space where they belong! Relive the rush of the SNES-era shooting action!
King's Castle has been besieged by the army that wants to invade their only unconquered territory. Protect the castle from relentless enemy attacks with your sharp shooting skills.
We're under attack! Man the turret and shoot the creeps that are overwhelming the planet. Help is on the way but it'll take 100 more days. Can you survive till then?
Prepare for the battle to protect your base and complete your Lone Ops by taking down enemy troops. Upgrade your artillery and special attacks as needed.
Stop the invasion before the enemy reaches our cities! Alien life forms have been detected and our army has mobilized its defensive tower forces to protect us.
