Orbital Defense Unit is a 2D top-down space shooter game that takes you back to the roots of the arcade classic Asteroid. You are tasked with surviving an endless, ever-increasing rain of asteroids. The game is developed by Armageddon Laboratory and is available as a full version for Windows.

In Orbital Defense Unit, you must collect weapons and nuclear bombs to defend yourself against the asteroid rain. As you progress, you can find gems in the rubble to earn extra points. The game is fast-paced and requires quick reflexes to survive as long as possible. Get ready to defend to the bitter end!