Killed by Valve

Counter-Strike: Global Offensive (CS:GO) is a multiplayer first-person shooter video game developed by Valve and Hidden Path Entertainment. It is the fourth game in the Counter-Strike series and was released for Windows, OS X, Xbox 360, and PlayStation 3 in August 2012, while the Linux version was released in 2014.

Hire a crew and destroy your rivals in this new strategy battler set in the world of Dota. Introducing Season One: Explore White Spire and earn rewards on the Battle Pass. Pick from several different game modes, play on your own or with friends, and take advantage of crossplay on PC and mobile.

Steam Machines were a series of pre-built small form factor gaming computers designed to operate Valve's SteamOS to provide a console-like experience for gaming. Despite high expectations, the concept failed to gain traction and was quietly phased out.

Artifact was a digital collectible card game developed and published by Valve. Based on Dota 2, Artifact features card gameplay inspired by Dota 2's "three-lane" mechanics. Despite initial interest, the game was discontinued after failing to retain a significant player base.

The Steam Controller was a game controller developed by Valve that featured a unique touchpad design and customizable controls. Despite its innovative approach, it was discontinued due to limited adoption and mixed feedback from users.

The Lab was a collection of VR experiences set in a pocket universe within Aperture Science, from the Portal series. It served as an introduction to VR and featured various mini-games. Valve has since moved on to other VR projects.

Steam Greenlight was a system that enlists the community's help in picking some of the new games to be released on Steam. Developers would post information, screenshots, and video for their game and seek a critical mass of community support in order to get selected for distribution. Steam Greenlight also helped developers get feedback from potential customers and start creating an active community around their game during the development process.

The Steam Link was a device that allowed for the streaming of Steam games from a PC to a TV over a home network. Although the hardware was discontinued, the software lives on in various forms.

Ricochet is a futuristic multiplayer first-person shooter developed by Valve. It was one of Valve's early releases but failed to attract a significant audience. It remains available on Steam but is no longer actively supported.

Alien Swarm is a top-down, cooperative multiplayer, tactical shooter developed by Valve. It was originally released as a mod and later as a standalone game on Steam. Valve eventually stopped updating the game and it gradually lost its player base.