Half-Life
First-Person Shooter · Valve (1998) ★ 5.0

Half-Life: Opposing Force
First-Person Shooter · Gearbox Software (1999)

Half-Life: Blue Shift
First-Person Shooter · Gearbox Software (2001)

Half-Life: Decay
First-Person Shooter · Gearbox Software (2001)

Half-Life 2
First-Person Shooter · Valve (2004)

Half-Life 2: Episode One
First-Person Shooter · Valve (2006)

Half-Life 2: Episode Two
First-Person Shooter · Valve (2007)

Half-Life: Alyx
First-Person Shooter · Valve (2020)