1.1 Half-Life
1.2 Half-Life: Opposing Force
1.3 Half-Life: Blue Shift
1.4 Half-Life: Decay
1.5 Half-Life 2
1.6 Half Life 2: Episode One
1.6.1 Inovace
1.7 Half-Life 2: Episode Two

2 Příběh
2.1 Half-Life
2.2 Half-Life: Opposing Force
2.3 Half-Life: Blue Shift
2.4 Half-Life 2
2.5 Half Life 2: Episode One
2.6 Half-Life 2: Episode Two