A turn-based strategy game, where each player represents the leader of a certain nation or ethnic group ("civilization") and must guide its growth over the course of thousands of years. It starts with the founding of a small primitive settlement and ends after achieving one of the victory conditions—or surviving until the number of game turns end, at which point the highest-scoring civilization, based on several factors, is declared the winner.

Gunpoint is a stealth puzzle game that lets you rewire its levels to trick people. You play a freelance spy who takes jobs from his clients to break into high security buildings and steal sensitive data. To get past security, you'll need to make creative use of your main gadget: the Crosslink. It lets you see how all the security devices in a level are wired up, and then you can just click and drag with the mouse to wire them differently. So you can connect a lightswitch to a trapdoor, then flick it when a guard walks across to make him fall through.

Your story begins anew in the exotic southern kingdom of Amn, amidst the opulence of the sinister capital city of Athkatla. Journey through the fierce, unforgiving wilderness of Amn, and through the treacherous caverns of the Underdark, in your quest for artifacts of awesome power and treasure of inestimable wealth... even challenge dragons, if you dare. Such is the life of a legend.

The Stanley Parable is a first person exploration game. You will play as Stanley, and you will not play as Stanley. You will follow a story, you will not follow a story. You will have a choice, you will have no choice. The game will end, the game will never end. Contradiction follows contradiction, the rules of how games should work are broken, then broken again. This world was not made for you to understand.

The player plays the role of both the clan leader and general, alternating between the campaign, where the player manages his land and armies turn by turn, and the battles, where the player takes control of the army on the battlefield in real-time. In the campaign, the player needs to oversee the development of settlements, military production, economic growth, and technological advancement. The armies and units are organised and moved around the stylised campaign map by the player to carry out battles with other factions. In addition to fighting, the player is able to engage in diplomacy, political maneuvering and the use of special agents to gain the upper hand. Ninja and geisha are also present in the game as assassins and spies.

The ultimate thief is back! Tread softly as you make your way through 15 new complex, non-linear levels full of loot to steal and guards to outsmart. Improved enemy AI, new gadgets and a riveting story will draw you into the world of Thief™ II: The Metal Age, a place of powerful new technologies, fanatical religions and corruption.

Travel across Europe as king of the road, a trucker who delivers important cargo across impressive distances! With dozens of cities to explore from the UK, Belgium, Germany, Italy, the Netherlands, Poland, and many more, your endurance, skill and speed will all be pushed to their limits. If you’ve got what it takes to be part of an elite trucking force, get behind the wheel and prove it!

Command the seas, control the land, forge a new nation, and conquer the globe. Empire: Total War takes the Total War series to the eighteenth century Age of Enlightenment — a time of political upheaval, military advancements, and radical thought, captured in stunning detail and at your complete control. Empire: Total War introduces a host of revolutionary new features, including true 3D naval combat. For the first time in the Total War series, intuitively command single ships or vast fleets upon seascapes rich with extraordinary water and weather effects that play a huge role in your eventual glorious success or ignominious defeat.

In Crusader Kings II, players will get to control one of the great Christian Dynasties of the West, attempt to conquer all of Europe and liberate the Holy Land. The game explores one of the defining periods in world history in an experience crafted by the masters of Grand Strategy. Medieval Europe is brought to life in this epic title rife with rich strategic and tactical depth.

Audiosurf is a music-adapting puzzle racer where you use your own music to create your own experience. The shape, the speed, and the mood of each ride is determined by the song you choose. You earn points for clustering together blocks of the same color on the highway, and compete with others on the internet for the high score on your favorite songs. Audiosurf on Steam includes The Orange Box soundtrack, integrated with the game to enable "Still Alive" surfing and more. In addition, Audiosurf is one of the first titles to leverage Steamworks, offering full support for the Steam Achievements that appear on Steam Community profile pages.

Guild Wars is a a massively multi-player online role-playing game (MMORPG) with an emphasis on tactical combat. In single player, multiplayer and guild-based missions, players will explore a fantasy world while pursuing professions and gaining skills that help them develop and advance their unique character.

Players from the United States, China and the Middle East Coalition (all armed with realistic armarments and vehicles) will all be represented in harrowing battles for a massive number of online players (more than any of the previous Battlefield titles). The new game engine offers vastly improved visuals, physics and sound, plus a dynamic stage limiting system that scales the size of the online battlefield according to how many players are logged on.

Long ago, the Dark Lord Dredmor was bound in the darkest dungeons beneath the earth by great and mighty heroes. Centuries later, the magical bonds that hold him in place are loosening and his power grows ever stronger. The land cries out for a new hero, a powerful warrior or a mystic wizard like those spoken of in the prophecies of yore. What they have, unfortunately, is you...

The game is mainly set in the historical era of the initial European exploration and colonization of the New World. The game map covers the entire Earth (minus the polar regions), and players are free to explore and expand into most of it except for certain lands such as deserts and tundra that are considered uninhabitable or unexplored historically during the in-game years. Players can choose to play single-player mode versus the AI, or multiplayer over a LAN or the Internet against a mix of human and AI opponents. The player may also switch to controlling a different country within the same game world.

The story unfolds in four Acts, one for each major town. From the ruined town of Tristam, you venture forth to vanquish the evil presence of Andariel in the Monastery of the Sisters of the Sightless Eye, nestled in the frozen steppes. From there you travel across deserts and jungles to defeat the devils Mephisto and Baal until you face Diablo, the ultimate evil. Diablo II is four times larger than the original, includes five character classes, addition of 3D graphics support, day/night cycles, weather effects, hordes of enemies, as well as tons more weapons, armor, spells, items, and more.

Fight dragons, orcs and other mythical creatures in this non-linear, hybrid RPG. This massive world awaits your tale as a soldier, mercenary or sorcerer—you decide!

Now hundreds of years past the events of the original game, the almost forgotten threat of the Elder Dragons has risen, but so has 'Destiny's Edge,' a guild pledged to combat them. Game features include: a dynamic event/questing system, small and large-scale combat, player vs. player arenas, multiple playable races and professions, and expansive and rewarding dungeon crawls.

In a world where magic and technology exist side by side, vampire princess Alwen must reclaim her ancestral castle and her magic alongside her unlikely ally, treasure hunter Ragna Valentine. They may make for an odd pair, but when they combine their talents, the sky’s the limit!

Age of Mythology players wage war as leaders of a Greek, Norse, or Egyptian civilization with a customized pantheon. Players use human armies and diplomacy, progress through development ages, enhance military and economic performance with improvements, and manage economics through resource gathering and trade. Mythology enters the mix when players call upon the gods to act on their behalf or reinforce their armies with more than 20 mythological creatures such as jackal-headed Egyptian warriors or mighty minotaurs.

Take advantage of enhanced visuals, richer tactics and strategic gameplay as you build your fleet and engage in 3-D space combat.

The world has changed. A crippling energy crisis has forced gas prices past $7 a gallon and sent the American economy into a frightening tailspin. Terrorist factions have taken advantage of this severe instability, striking the nation regularly without warning. Fallout from this collapse has been devastating. The U.S. and the world are experiencing unprecedented disorder. Through this techno-thriller story constructed by military expert and author Dale Brown, this real-time strategy experience puts players squarely in control of counterterrorist forces to defend cities of the world. As commander of a newly formed anti-terror military unit known as the Talon Task Force, players will need to recruit combat units, develop technologies, manage finite resources, and deploy their forces against a cunning and ruthless terror network.

War has been waged across the kingdom of Myrtana. Orcish hordes invaded human territory and the king of the land needed a lot of ore to forge enough weapons, should his army stand against this threat. Whoever breaks the law in these darkest of times is sentenced to serve in the giant penal colony of Khorinis, mining the so much needed ore.

Strategize, command and execute campaigns as you command Allied Forces against the Nazi empire in the bloody battles of WWII.

Killing Floor is a first-person co-op survival horror, set in and around London after a mad scientist's "specimens" have broken loose and gone on the rampage. You and up to five other players must obliterate multiple waves of these rabid specimens. Nine different monster types are trying to eat your face off, armed with everything from teeth and claws, through to chainsaws, chainguns and rocket-launchers.

Every day, millions of players worldwide enter battle as one of over a hundred Dota heroes. And no matter if it's their 10th hour of play or 1,000th, there's always something new to discover. With regular updates that ensure a constant evolution of gameplay, features, and heroes, Dota 2 has truly taken on a life of its own.

Best Exclusive PC Games

Sid Meier's Civilization V

Gunpoint

Baldur's Gate II: Shadows of Amn

The Stanley Parable

Total War: Shogun 2

Thief II: The Metal Age

Euro Truck Simulator 2

Empire: Total War

Crusader Kings II

Audiosurf

Guild Wars

Battlefield 2

Dungeons of Dredmor

Europa Universalis IV

Diablo II

Gothic II

Guild Wars 2

Zwei: The Ilvard Insurrection

Age of Mythology

Homeworld 2

Act of War: Direct Action

Gothic

Battlefield 1942

Killing Floor

Dota 2