Open source Transport Tycoon
It's free. Its by the same fella who made Roller Coaster tycoon, its moddable and ridiculously addictive.
Gratuitous Space Battles. Design ships and send them into battle, indie developer worth supporting.
AI War: Fleet Command. Your a small insurrection fighting a huge AI empire. Very unique real time strategy game but probably more a niche genre
Solar 2. Cheap indie game on steam. Start as a little asteroid grow into a planet then a star and eventually a black hole
IL-2 Sturmovik 1946. An easy to get into flight sim now bundled together with all its expansions. It has a sequel out now but I still prefer this one.
Silent Hunter 3 with the Grey Wolves unofficial expansion pack. A fantastic U-boat simulation game. Play a career as a U-boat commander from 1939-45
Theme Hospital. Still works on modern systems still great fun. Bullfrog (defunct UK gaming company) made some fantastic games Dungeon Keeper is another recomendation
Star Trek Birth of the Federation. Best Star Trek game made IMO.
Empire of the fading suns. If your into deep strategy with a rich gaming universe this is a great retro game to get into. Not for the faint hearted
Fragile Alliegance. Great old DOS Game that should still work on modern systems with DOSBox. Run a remote mining company in asteroid belts with other alien species competing for resources. Totally under rated IMO
Sim City 4 +Rush hour expansion. Still the best city building genre game out there. Tons of mods to improve on it too. Huge community, nearly as big as the sims one.
Quote:
Oh, and I ALWAYS suggest this game whenever possible:
http://www.battlezone1.net/home/index.html
I approve. Had a lot of fun with that back in the day.
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"Tall people can be recognized by three things: generosity in the design, humanity in the execution and moderation in success"