showing 27 games
| name arrow_downward | publisher(developer) | year | platform | |
|---|---|---|---|---|
| Aliens versus Predator 2: Primal Hunt | Sierra Entertainment (Third Law Entertainment) | 2002 | Windows | labelimageminimize |
| Aliens vs Predator: Requiem | Sierra (Rebellion) | 2007 | PSP | labelimagesubject |
| Aquatron | Sierra On-Line | 1984 | Apple II E | labelimageminimize |
| Ground Control II: Operation Exodus | Vivendi Universal;Sierra (Massive Entertainment) | 2004 | Windows | labelimagesubject |
| Half-Life | Sierra (Gearbox Software) | 2001 | PS2 | labelimagesubject |
| Half-Life | Sierra On-Line (Valve) | 1998 | Windows | labelimagesubject |
| Half-Life 2: Episode One | Sierra (Valve) | 2006 | X360 | labelminimizeminimize |
| Half-Life 2: Episode One | Sierra (Valve) | 2006 | PS3 | labelminimizeminimize |
| Half-Life 2: Episode One | Sierra (Valve) | 2006 | Windows | labelimageminimize |
| Half-Life 2: Episode Two | Sierra (Valve) | 2007 | X360 | labelimageminimize |
| Half-Life 2: Episode Two | Sierra (Valve) | 2007 | PS3 | labelimageminimize |
| Half-Life 2: Episode Two | Sierra (Valve) | 2007 | Windows | labelimagesubject |
| Half-Life: Blue Shift | Sierra On-Line (Gearbox Software) | 2001 | Windows | labelimagesubject |
| Half-Life: Opposing Force | Sierra On-Line (Gearbox Software) | 1999 | Windows | labelimagesubject |
| Hunter Hunted | Sierra On-Line (Dynamix) | 1996 | Windows | labelminimizeminimize |
| Into the Fire | Sierra Entertainment (Yosemite Entertainment) | 1999 | Windows | labelimagesubject |
| Predator: Concrete Jungle | Sierra Entertainment;VU Games (Eurocom Entertainment Software) | 2005 | Xbox | labelimageminimize |
| Predator: Concrete Jungle | Sierra Entertainment;VU Games (Eurocom Entertainment Software) | 2005 | PS2 | labelimageminimize |
| Space Quest II: Vohaul's Revenge | Sierra On-Line | 1987 | Apple II E | labelimageminimize |
| Space Quest V: The Next Mutation | Sierra On-Line | 1993 | MS-DOS | labelimageminimize |
| Space Quest: The Sarien Encounter | Sierra On-Line | 1987 | Atari ST | labelimagesubject |
| Space Quest: The Sarien Encounter | Sierra On-Line | 1986 | MS-DOS | labelimagesubject |
| Space Quest: The Sarien Encounter | Sierra On-Line | 1987 | Apple IIGS | labelimageminimize |
| Space Quest: The Sarien Encounter | Sierra On-Line | 1987 | Amiga | labelimageminimize |
| Space Quest: The Sarien Encounter | Sierra On-Line | 1987 | Mac OS Classic | labelimageminimize |
| Space Quest: The Sarien Encounter | Sierra On-Line | 1987 | Tandy Coco | labelimageminimize |
| Space Quest: The Sarien Encounter | Sierra On-Line | 1987 | Apple II E | labelimageminimize |
