BuzzLightyear2: Oh, well, I recommend Master of Orion 1+2. I bought these games on sale, and now I am hopelessly addicted.
robertmckellar93: thanks any more suggestions
I'll bite:
Action:
Raiden Legacy, Tyrian 2000, Mutant Mudds, Painkiller
Simulation:
Wing Commander (all of them.) Freespace 1 and 2, Descent 1-3, Panzer Elite
Exploration:
Neverwinter Nights 1 and 2, Star Control 2, Planescape Torment, Icewind Dale 2
Turn Based Strategy (Combat heavy):
Panzer General 2, Star Control 1, Battle Isle, Great Battles Collectors Edition
Turn Based Strategy (City Management / God Games):
Sid Meier's Alpha Centauri, Call To Power 2, Sim City 2000, Tropico Reloaded
Real Time Strategy:
Empire Earth, Empire Earth 2, Multiwinia
Horror:
Amnesia The Dark Descent
Puzzle:
Puddle, Incredipede, Trine (also counts as Action)
Adventure Games (With Story Focus):
Post mortem, Syberia 1 and 2, The Longest Journey, To the Moon, Dragon Sphere, Sam and Max 1-3
Hard to Classify:
Defcon, Botanicula, Unmechanical.
TLDR:
GO START BUYING AND PLAYING THOSE THAT INTEREST YOU! :D