MARS.EXE

Just one of the few toys I came across in my early encounters with computers. Crazy that all this could fit in a 5K executable!
Below is the readme file that came with it:
Martian terrain renderer
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Here is a small demo to draw fractal voxel-based terrains in real time...
If you have a 386 or better with VGA graphics, run mars and use the mouse to
move around the landscape. Press any key to quit. A different map is calculated
each time the program is run. This code may form the basis of a forthcoming
game...
If you have any comments, or would like a general chat about graphics, voxels
or texture-mapping etc, etc, e-mail me at: [e-mail]
Tim Clarke
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Download link: www.pouet.net/prod.php?which=...

[@WT83]

I remember "playing" this as a kid and being amazed that it was infinite yet so small. Now I look and the landscape and think it's a visualization of some type of noise field.

[@LoftBits]

Thanks for posting this! I remember first starting this on my PC back in 1992, a tiny exe file, and I was AMAZED! Some extremely clever routine, as this was so waaay ahead of what games of these days had to offer.