showing 11 games
| name | publisher(developer) | year arrow_downward | |
|---|---|---|---|
| Half-Life | Sierra On-Line (Valve) | 1998 | labelimagesubject |
| Half-Life: Opposing Force | Sierra On-Line (Gearbox Software) | 1999 | labelimagesubject |
| Half-Life: Blue Shift | Sierra On-Line (Gearbox Software) | 2001 | labelimagesubject |
| Codename: Gordon | Valve (Nuclearvision) | 2004 | labelimageminimize |
| Half-Life 2 | Vivendi Universal Games;Valve Corporation (Valve) | 2004 | labelimagesubject |
| Half-Life 2: Episode One | Sierra (Valve) | 2006 | labelimageminimize |
| Portal | Valve | 2007 | labelimagesubject |
| Half-Life 2: Episode Two | Sierra (Valve) | 2007 | labelimagesubject |
| Portal 2 | Valve;EA Partners (Valve) | 2011 | labelimagesubject |
| Black Mesa | Crowbar Collective | 2020 | labelimagesubject |
| Half-Life: Alyx | Valve | 2020 | labelimagesubject |
