Valve

Valve is an American video game developer, publisher and digital distribution company. It is the developer of the software distribution platform Steam and the franchises Half-Life, Counter-Strike, Portal, Day of Defeat, Team Fortress, Left 4 Dead and Dota. The company was founded by former Microsoft employees Gabe Newell and Mike Harrington.

6,8

Half-Life: Decay

2001 PS2

7,3

Deathmatch Classic

2001 Linux PC Mac

6,6

Half-Life: Blue Shift

2001 Linux PC Mac

7,8

Gunman Chronicles

2000 PC

7,7

Counter-Strike

2000 Linux PC Mac

7,1

Ricochet

2000 Linux PC Mac

7,5

Half-Life: Opposing Force

1999 Linux PC Mac

7,1

Team Fortress Classic

1999 Linux PC Mac

7,9

Half-Life: Uplink

1999 PC PS2

8,4

Half-Life

1998 Linux PC Mac