Earth has been ravaged by human excess, petty conflict and alien invasion. The world's population has been herded into huge cities, the first of which was Mega Primus.
2084: A Utopia shattered, social collapse and civil unrest reigns in Mega Primus. Fiendish aliens terrorize the city. UFOs swarm through Dimensional Gateways. The city's under siege from an unknown enemy.
Your mission, as X-COM Commander, is to combat alien aggression and uncover their deadly intentions. But Beware! Alien infiltration into the city and its politics could see you under fire from criminal gangs, religious sects, and even the police!
Alien fleets fill the skies, creatures terrorize the city, chaos reigns... Welcome to the war, welcome to the Apocalypse.
Key Features:
Explosive third game from the highly successful and thrilling X-Com series, following X-COM: UFO Defense and X-COM: Terror from the Deep.
Battle alien invasion fleets over the city of Mega Primus in real-time.
Combat the alien infestation in real-time or turn-based tactical missions.
Research alien-based technology. Create newer and more destructive weaponry.
Destroy alien sympathizers and stem alien infiltration. Wage war on new worlds in the Alien Dimension.
windows Recommended
OS: Microsoft® 2000/XP/Vista®
Processor: Pentium 90MHz or better
Memory: 16Mb RAM
Graphics: Supported 32Mb Graphics Card
Storage: 60 MB Hard Disk Space
To activate the game, you need a Steam Account
Login or register at the official Steam Website and download Steam client
Install and start application, login with your Account name and Password
Click the Games Menu.
Choose Activate a Product on Steam...
Follow the onscreen instructions to complete the process
After the successful code verification, go to the "MY GAMES" tab and start downloading.
News & Updates
2026-03-30
Join the Easter Raid Party and Win a Free Game
The Easter season is here and since we like this part of the year so much, we have made sure to have prepared a special YUPLAY promotional campaign for those of you that are ready to go into the Raid Party and grab a FREE gaming title. All you have to do is make an order above 20€ between 02.04.2026 15:00 CET and 08.04.2026 15:00 CET, and you will get a FREE game as ab Easter present from us…
Early Spring season has definitely delivered on some exciting updates, game announcements, and promising releases to be on the lookout for until the end of this year. So, let’s immediately have a better look at some of the more outstanding news that happened on the gaming scene during the month of March 2026 that we decided to cover for you…
