Alien Complex · Free Game · Play Online

Alien Complex is a top-down shoot-em-up game. Infiltrate an underground complex and prevent aliens from taking over our planet.

Please be aware that this is a Flash game. Unfortunately, many modern browsers have discontinued support for Flash, which means that the game may not function correctly. If you encounter issues with the game not working as expected, we recommend trying Basilisk instead. Basilisk is a safe, Firefox-based browser that comes with built-in native Flash support, which should help you play the game without any problems.