Upgrades require level 1 and give you money, using shield doesn't take away energy. note : after the first mission you need to purchase and upgrade the upgrades that you can afford first - you should be able to buy everything.
TagsDefence
kongregate - Many twists, bosses and devious challenges make ..
newgrounds - Can you survive 20 waves of asteroids, aliens ..
arcadeprehacks - Many twists, bosses and devious challenges make ..
y8 - Asteroid assault is a sci-fi game to play. protect the ..
mostfungames - Aliens have assaulted earth so its up to you to assemble ..
box10 - Aliens have assaulted earth so its up to you to assemble ..
kreativname.itch - Play in your browser
flame34x.itch - Play in your browser
dailygames - .
games2rule - Aliens have assaulted earth so its up to you to assemble ..
arcadeprehacks - Aliens have assaulted earth so its up to you to assemble ..
flashgames247 - Aliens have assaulted earth so its up to you to assemble ..
Comments