Hmmmmmmmm.
Waaaaaaay back:
---------------
The Ancient Art of War
Incunabula (Avalon Hill oldie)
Archon
Slightly less way back:
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Much of the 'Gold Box' series from SSI
Netrek (bronco, and a little bit of chaos and hockey)
Neuromancer
Wasteland
Xconq
Bolo (The AppleTalk tank game, that is)
Strategic Conquest
Scorched Earth
Mechwarrior II
(subcategory: BBS door games
)
Hack and Slash
Legend of the Red Dragon
Usurper
BRE/SRE
Mechwar
More recent
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Dominions III
Jagged Alliance II
Still evaluating
-----------------
Empires in Arms (Matrix adaptation; high potential, but currently very buggy)
Love-hate
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Combat Mission:BB
AOE II:AOK