Catlantean 3D is a side-project I've been slowly building in my spare time for over a year, and I intend to release it on Steam next year.

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My goal was to build a complete, shippable first-person shooter using techniques that were common in the early 90s, while allowing myself the luxury of using a modern compiler and a platform abstraction layer.

What this actually means is, the constraints I have foolishly imposed upon myself are as follows:

game must be made entirely from scratch, including the assets

all rendering must be done by hand

all sound mixing must be done by hand

320x240 target resolution

256 colors only

floating point allowed, but behavior must be consistent across platforms decided on fixed point for game logic to guarantee deterministic behavior, floating point for rendering because determinism isn't that important there

must be a finished, polished game that is fun to play (not a tech-demo)

platform abstraction layer allowed, but I must…