Download: http://archive.info-mac.org/sci/noble-ape-0659-src.hqx
The Noble Ape Simulation 0.659 (formerly the Nervana Simulation)
creates a tropical island, and simulates the ape inhabitants
cognitive processes. It features a new colour
third-person-perspective landscape rendering engine (Ocelot).
This file is the full C source code, two additional
programming information docs (in HTML) and manual (in HTML).