I can't tell how many hours i spent on this game. Back to that time, i played on Atari ST. No GPU, no 3D chip, no 3D hardware, only 1MB of memory, 8 MHz. And this game, full 3D with rounded geometry, special effects, planetary landing, real physics, thousands of systems, billions of planets. I can't remember any other game with this level of gameplay, technicity, possibilities on the market. You know what ? I still have the (paper) User Manual :D