i have the following, free to a good home, no longer needed as I don't have a PC:

Alpha Centuri (no Alien Crossfire, sorry)
Civilisation III (pretty sure it's the 'complete' edition w/ expansions)
Civilisation: Call to Power
Zoo Tycoon
C&C: Red Alert (with Aftermath and that other expansion with the ants)
Sim City 2000 (no box)
Sam & Max / Day of the Tentacle double pack
Civ 2: Fantastic Worlds expansion pack (needs Civ 2 to run, no box)

shout here if you want or something