Space Defense
Free online mini-game. Play instantly in your browser, no download.
About this game
Alien invaders keep pouring in on your space base! Plant turrets on the open spots, rake in coins to upgrade them, and seal off the path. Hold out for one more wave and take down one more enemy before they smash the base, all the way to a new high score.
How to play
📱 Touch • Tap an empty spot: pick a turret type and build it • Tap a turret: upgrade it with coins • Tap the base (pentagon): reinforce the base (unlocks turrets) ⌨️ Keyboard • Space · Enter : start / restart
