The app offers a free download of the first version of a tower defense game. Players defend against enemy hordes using various turrets and resources to upgrade or purchase new units across 10 levels.
The app is a defense game where players build a space fortress and set up weapons and traps to defend against alien invasions. It features over 300 waves of aliens across 14 missions and 9 upgradable weapons.
The app presents detailed levels and in-depth gameplay. Users defend against enemy hordes using various turrets and weapons, with choices on upgrading units or purchasing new ones.
