Planescape: Torment, Freespace 2, MechWarrior 2-4, Dark Forces 2: Jedi Knight, Crimson Skies, Syndicate (original), Streets of Rage1-2, Colony Wars 1-2, G-Police, Ace Combat 5, Wing Commander Series, X-Wing, Tie Fighter, S.T.A.L.K.E.R and Buck Rogers Countdown to Doomsday ( a sci-fi RPG with player-controled starship travel and combat over the whole Solar System) - from which you should've learned some -blam!-ing lessons, Harold Ryan you -blam!