UFO Alien Invasion offers tactical combat against hostile alien forces which are about to infiltrate earth at this very moment. You are in command of a small special unit which has been founded to face the alien strike force. To be successful on the long run, you will also have to have a research team study the aliens and their technologies in order to learn as much as possible about their technology, their goals and the aliens themselves.

Features:
* First significant steps towards implementing the storyline.
* Dozens of new, in-depth UFOpedia texts and descriptions.
* New maps
o industrial, estate, bridge, oriental
* New weapons
o Micro Shotgun, Machine Pistol, Heavy Laser Rifle
* New alien race (Shevaar)
* Many new and updated models, sounds and music tracks
* Multiplayer
o Heavily improved multiplayer support
o Master server
* Improved the engine to make it more stable and portable
* Base management
o Implemented alien containment
o Base transfers partially implemented
o Finally implemented the hospital
* Combat
o New popup menu when firing/using a gun.
o Weapons can now have more than 2 firemodes.
* Lots of bugfixes