What are some essential "old" PC games?

>>377467943

Heroes of Might and Magic 3.
Most shit by ID Software.
Most shit by Microprose.

Honestly you'd have a better chance browsing /vr/. Most of /v/ is too young anyway.

Half-life 2
Oblivion
Dark Messiah of Might and Magic
FEAR

Roller
Coaster
Tycoon

>>377467943
Wing commander 3 & 4
Star Wars Tie Fighter as well as X-Wing (both the 1995 edition)
Descent 1&2
Shadow Man

Xcom

>>377469458
>Oblivion
>Dark Messiah
>essential
Why?

>>377468961
2004 was the greatest year in video game history and also marked the beginning of its downfall.

Doom
Duke Nukem 3D
Diablo II + LoD
System Shock 1 & 2
Deus Ex
Half-Life
Aliens vs Predator 1 & 2
FreeSpace 2
Little Big Adventure 2

>>377467943

Starcraft
System Shock
System Shock 2
Diablo II
Baldur's Gate
Morrowind
Deus Ex
Half Life
Sid Meier's Pirates! ( either version )
Black and White
Roller Coaster Tycoon 2
Doom/Quake
Unreal
Galactic Civilizations II
Star Control II ( Ur-Quan Masters port )
Freelancer
Rome: Total War
Thief/Thief 2
Outcast
Fallout
Arx Fatalis
Freedom Force
Red Alert 2
Max Payne
Stronghold Crusader

I know that some of these have console versions, and some aren't -too- old, but I think it's a good touching off list.