Ad Astra Games is a company specializing in scientifically and mathematically accurate games. Attack Vector: Tactical is their take on a true, 3D simulation of ship to ship combat in space. The pieces look like they do for a reason, with realism over aestherics. It sounds cool, but it is a bit pricey. Their Universe section details the backstory to the game. Check out the download page for more interesting stuff. Their What’s New also reads like a mini-blog.
A short, but invasive, alien abduction to The Eternal Golden Braid for the link!
Updated to spell universe correctly so the little gray grammer aliens won’t flog me anymore.