Start downloading Star Defender 4

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In Star Defender 4 you rise against the aliens that threaten planet earth. You are the sole defender of our planet. Equipped with an array of highly advanced spaceships, you defend humanity from the waves of relentless alien creatures. The weapons of your spaceship are upgradable but beware of the enemy's attack. Any contact with the alien or their projectile will cause the weapon system of the spaceship to be downgraded. Only you can prevent the destruction of humanity in Star Defender 4!


  • More than 100 levels and 8 unique missions
  • Stunning sound effects that add on to the gameplay
  • Tons of challenging new enemies with different attacking patterns
  • Star Defender 4 is a free full version game to download and play



System Requirements

Licensing terms and policy

All full version games provided at this web-site were licensed, sublicensed for distribution by other game developers, game publishers or developed by internal game studio and provided free legally. If you have questions about this game, please contact us using this form.

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