simple3d
realistic driving simulation + functions for 2D/3D graphics
Simcar - driving (not racing) simulation, with stunts and realistic physics since version 5.0.0. SDL_grf - functions for 2D/3D graphics (including text), sound and input + a few programs for viewing 3D models, viewing ZX Spectrum *.scr files, simulating the Solar System etc. Simple3d - old program for rendering 3D models, now included in SDL_grf but not used in the latest programs.