This is not a game. Here's a wireframe frame 3D demo by Justin Cornish aka TheCustodian. This is not a game. .app and .c files included. Here's the wiring diagram for the 1Meg Expansion Card. Here's a VT100 Terminal emulator for Cybiko.
Source code is included.
Here are 3x5, 4x6, and 5x7 fonts for Cybiko. These fonts can be modified and compiled with FontMake. Jeff Frohwein Cybiko fixed width font making utility for WIN32. Written by Ernest Pazera. Bulldozer is an addictive puzzle game where you must push rocks onto targets.