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
2026-07-20
Our Way of Saying Thank You
Great games are nothing without loyal gamers and we're grateful to have such an amazing community that supports our store. That’s why we’re launching our special “YUPLAY Is Feeling Generous” campaign as a way of saying “Thank you”. During this campaign, with every order over €30 you will receive a free 10% discount code that can be used during your next purchase…
The FIFA World Cup 2026 is coming in hot this summer and while these coming weeks it is all going to be centered around the best game in the world of sports, we decided to bring you a dedicated YUPLAY giveaway to commemorate the occasion together! This promotional giveaway campaign invites all of our followers to try and predict the exact final scores of selected matches from the World Cup…
