Orbital defense program is a tower defense game with roguelite elements. you play as the commander of the odp, and your objective is to protect the earth against an alien invasion, by allocating resources to upgrade the functions of the odp, making strategic decisions and executing some actions in real time. the main means of defense is the orbital cannon, which fires automatically at aliens, but there are more ways to defend which are gradually unlocked. have fun playing this defense game here at y8.com!
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