| 31997 | 3-D Fractals | ZX81 16K | English |
| 18938 | 3-D Graphics | ZX-Spectrum 16K | English |
| 27670 | 3-D Maze | ZX-Spectrum 48K | English |
| 15993 | 3-D Noughts and Crosses | ZX-Spectrum 16K | English |
| 11106 | 3-D-Graphik | ZX-Spectrum 48K | English |
| 41210 | 3-Dimensional Cubes | ZX81 16K | English |
| 41024 | 3-In-A-Row | ZX81 16K | English |
| 11174 | 30 Games | ZX-Spectrum 48K | English |
| 9211 | 30 Hour Basic - Spectrum Edition | ZX-Spectrum 48K | English |
| 2000008 | 30 Hour Basic - Spectrum Edition | - | English |
| 2000009 | 30 Hour Basic - ZX81 Edition | - | English |
| 2000010 | 30 Hour Useful Home Computing | - | English |
| 2001368 | 30 Music Programs for Timex Sinclair 2068 | - | English |
| 2000948 | 30 Programs for the Sinclair ZX80 1K | ZX80 | English |
| 13986 | 30 Red Hot Hits | ZX-Spectrum 48K | English |
| 14605 | 30+1 Programs | ZX-Spectrum 48K | English |
| 19591 | 3000 Baud | ZX-Spectrum 48K | English |
| 35968 | 31 | ZX81 2K | English |
| 4000111 | 32K XRAM | Timex Tx2068 | English |
| 2000011 | 34 Amazing Games for the 1K ZX81 | - | English |