The war continues... X-COM: UFO Defense brought you to a galactic battlefield. X-COM: Terror from the Deep brings the alien terror into a totally new dimension.Seeking to take advantage of a weakened Earth, X-COM's deep space foes unexpectedly change strategy and launch a powerful second front against planet Earth.

You have been selected for active service in the Commandos Corps, and must now mobilize in a series of 8 new dangerous missions. You may come with experience of action 'Behind Enemy Lines' or perhaps you are just a rookie - whatever you are, you will be given the opportunity to push your daring and tactical ability to the limit.

Includes Railroad Tycoon II and the expansion The Second Century It can take you from New York to South Africa. It can take you from the year 1804 to the year 2000. It can take you from penniless manual laborer to powerful multi-millionaire.

Commandos 2: Men of Courage is a tactical action/strategy game set against the backdrop of World War II. Take control of an elite group of commandos who must venture deep into enemy territory and utilize their combined expertise to complete a series of mission-based objectives.

Commandos: Behind Enemy Lines is a real-time tactics game set in World War II that puts you in command of a small squad of elite troopers. Send them behind enemy lines on a series of hazardous missions, and bring them back alive. Clever strategy has never been so furiously action-packed.

This expansion adds all-new units and strategies to the exciting gameplay offered by Dawn of War. The Imperial Guard brings new weaponry, including heavy armor, new troop units as well as defensive and ranged tactics overwhelming numbers. Coupled with new abilities, this fighting force is as lethal as they come.

Deep under the central desert of Kronus, a vast honeycomb of skull-lined tunnels and funeral chambers house the awakening Necron menace. Eons ago, these were the boulevards and squares of a great necropolis built to house the bones of the races who had fallen to the Necrons, and ultimately were where the Necrons themselves retire to...

Prepare yourself for the grim, dark future of the 41st millennium, where alien races battle mankind for galactic domination in a universe of unending war. Personalize your armies with a revolutionary unit customization tool that gives you the ability to choose your armies insignias, banners, squad colors and names.

Enlist in an intense brand of Axis vs. Allied teamplay set in the WWII European Theatre of Operations. Players assume the role of light/assault/heavy infantry, sniper or machine-gunner class, each with a unique arsenal of historical weaponry at their disposal. Missions are based on key historical operations.

Valve's WWII Multiplayer Classic - Now available for Mac.

Control and conquer the greatest empire ever known to man.

Play the world's number 1 online action game. Engage in an incredibly realistic brand of terrorist warfare in this wildly popular team-based game. Ally with teammates to complete strategic missions. Take out enemy sites. Rescue hostages. Your role affects your team's success. Your team's success affects your role.

With its extensive Tour of Duty campaign, a near-limitless number of skirmish modes, updates and new content for Counter-Strike's award-winning multiplayer game play, plus over 12 bonus single player missions, Counter-Strike: Condition Zero is a tremendous offering of single and multiplayer content.

Bohemia Interactive's debut game published by Codemasters as Operation Flashpoint in 2001, became genre-defining combat military simulation and the No. 1 bestselling PC game around the world and has won many international awards, including “Game of The Year” and “Best Action Game”. Over 2 million copies have been sold since its release.

Empire Deluxe Combined Edition is the latest in the classic Empire Series of games, which has spanned almost five decades. Empire Deluxe is a game about taking cities. Starting with just one, the city enables a commander to produce units. These units in turn can directly attack or support the attack of more cities.

Urak, once peaceful, is now a land of darkness, chaos and death. The people yearn for a champion to drive away the forces of evil. That champion is you.

Lux Delux is a fast-paced turn-based-strategy game of risk and world domination, with so much more! Highly moddable, Lux has over 900 maps, diverse random map generators, a biohazard mode, an AI SDK, and an online multi-player league.

Praetorians is set amidst the political machinations of an emerging Roman Empire. You will be transported back to the dusty battlefields of Egypt, the combat theaters of Gaul and finally to the heart of the Empire itself, Italy in the crusade to become Emperor.

Codename: Panzers is an incredible real-time strategy thrill ride. Nerves of steel are required when you're a tank driver. One direct hit and you're done for, but you must throw yourself into the battle, because without your support, many will die. You are the tank commander - make the hard decisions that win wars!

One of the greatest sci-fi strategy games of all time returns with remastered visuals, online multiplayer and near unlimited mod content from Steam Workshop. Experience thrilling first person action and acclaimed RTS in this explosive alternate vision of the 1960s space race.