Portal 2 is a 2011 first-person puzzle-platform video game developed and published by Valve Corporation. It is the sequel to Portal (2007) and was released on April 19, 2011, for Microsoft Windows, OS X, Linux, PlayStation 3, and Xbox 360. The retail versions of the game are distributed by Electronic Arts while online distribution of the Windows, OS X and …

Fistful of Frags born years ago as a Wild West themed modification for Source engine. It has been completely renewed for its Steam release, paying special attention to combat mechanics. Also note this is a completely *free* standalone mod, no micro-transactions exist, no registration required. Just install and play. You may see ads when joining certain third party servers that …

Ty the Tasmanian Tiger is a platform game in which the player controls Ty, a Tasmanian tiger, who must gather 17 Fire Thunder Eggs, 17 Ice Thunder Eggs, and 17 Electric Thunder Eggs, in order to power the Talisman Machine, a teleportation device that will locate all five talismans,[2] which will in turn have the power to free his family …

Welcome to The Lab, a compilation of Valve’s room-scale VR experiments set in a pocket universe within Aperture Science. Fix a robot, defend a castle, adopt a mechanical dog, and more. Still not sold? It’s free!

Woodle Tree Adventures is an old school platform game with a catchy and unique art style! Explore a total of 6 worlds and save the lands with the magical water drops you'll find through your journey, bringing back peace and balance and finally becoming the new hero!

Games included in The Orange Box compilation: The original Half-Life 2 - The player again picks up the crowbar of research scientist Gordon Freeman, who finds himself on an alien-infested Earth being picked to the bone, its resources depleted, its populace dwindling. Freeman is thrust into the unenviable role of rescuing the world from the wrong he unleashed back at …

The Misadventures of P.B. Winterbottom is a puzzle platform game. The player controls the titular character, P.B. Winterbottom, in an attempt to gather pies. Winterbottom has the ability to manipulate time and replicate himself into multiple clones. The player may record an action and a clone will repeat that action, serving as a platform, pie-fetcher, or other puzzle-solving device. The …

... on that blindingly bright day ... ... on that very day of winter ... This is a story of disease and suffering, of medication and adverse effects, of thoracotomy scars and cellular poisons, of the living who cannot help but to die and of the dying who cannot help but to live, of a resting place other than "on …

A remake/update of the original Half-Life, running on the Half-Life 2 Source engine. Half-Life: Source is a digitally remastered version of the critically acclaimed and best selling PC game, enhanced via Source technology to include physics simulation, enhanced effects, and more.

Garry's Mod is a physics sandbox. Unlike regular games there aren't any predefined aims or goals. We give you the tools and leave you to play. You spawn objects and weld them together to create your own contraptions - whether that's a car, a rocket, a catapult or something that doesn't have a name yet - that's up to you. …

Hire a crew and destroy your rivals in this new strategy battler set in the world of Dota. Join the Beta Season, with crossplay on PC and mobile.

Deathmatch Classic is a first-person shooter multiplayer video game developed by Valve as a tribute to id Software's Quake. It was released on June 1, 2001. Gameplay The gameplay is similar to Quake deathmatch, with essentially the same weapons (except the one for melee combat, which is Half-Life's trademark crowbar instead of the original axe), armour and power-ups. Deathmatch Classic …

Day of Defeat offers intense online action gameplay set in Europe during WWII. Assume the role of infantry, sniper or machine-gunner classes, and more. DoD:S features enhanced graphics and sounds design to leverage the power of Source, Valve's new engine technology.

Counter-Strike: Source blends Counter-Strike's award-winning teamplay action with the advanced technology of Source™ technology. Featuring state of the art graphics, all new sounds, and introducing physics, Counter-Strike: Source is a must-have for every action gamer.

Left 4 Dead is a cooperative first-person shooter video game with survival horror elements, developed by Turtle Rock Studios and published by Valve Corporation. The game uses Valve's proprietary Source engine, and is available for Microsoft Windows, Xbox 360 and Mac OS X. Development on the game was completed on November 13, 2008, and two versions were released digitally: A …

Counter-Strike: Global Offensive expands upon the team-based action gameplay that it pioneered with Half-Life: Counter-Strike. CS: GO features new maps, characters, and weapons, and delivers updated versions of the classic CS content. In addition, CS: GO introduces new gameplay modes, matchmaking, leader boards, and more.