An interesting fact is that each system had its own box colour. This makes it easy to separate the games for the different systems with a first view and also makes a nice picture on the book shelf ;-)
| System | Box colour |
| Texas Instruments TI 99/4A | Yellow with black title and black text |
| Commodore VIC 20 | Magenta with white title and white text |
| Commodore 64 | Green with white title and white text |
| CBS Colecovision | Orange with white title and black text? |
| Mattel Intellivision | Pink with black title and black text? |
| IBM PC | Blue – what else ;-) – with white title and white text |
| Apple II | Red with white title and white text |
| Atari 400/800/XL/XE | Silver with black title and black text |
| IBM PC Jr | Light blue with white title and white text? |
| Sinclair ZX Spectrum | Turquoise with white title and black text |
| BBC Micro, Acorn | Dark violet with white title and white text |