Global Defense System
Defend the Earth from asteroids and hostile ships: three weapon platforms fire at your crosshair, you earn cash for every kill, switch main and secondary weapons and upgrade your arsenal between waves.
How to play
Mouse or touch: aim and hold the button to fire. Keys Q/A, W/S, E/D switch the secondary/main weapon of the platforms (buttons on touch screens); the weapon menu can also be clicked.
Click the game first so it gets the keyboard. P or Esc pauses; the speaker button in the corner mutes the sound.
Details
- Runs as
- HTML5 port of the Flash original
- Original
- Flash · 800×600
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These games belong to their original authors and were shared as freeware; we rebuilt them in HTML5 so they keep working without Flash.