| 42180 | Bloktris | ZX-Spectrum 48K/128K | English |
| 36294 | Bomb Tetris | ATM | English |
| 21119 | Bubble Tetris | ZX-Spectrum 48K/128K | Russian |
| 34611 | Buzzsaw+ (Dim Sun Edition) | ZX-Spectrum 48K | English |
| 27057 | Buzzsaw+ (Foxton Locks Mix) | ZX-Spectrum 48K | English |
| 44486 | Cindy Block | ZX-Spectrum 48K/128K | English |
| 21124 | Color Balls | ZX-Spectrum 48K | English |
| 25073 | Color Tetris | ZX-Spectrum 48K | Russian |
| 21125 | Color of Magic | ZX-Spectrum 48K | English |
| 1016 | Coloris | ZX-Spectrum 48K/128K | English |
| 1019 | Colour Clash | ZX-Spectrum 16K | - |
| 25254 | Column | ZX-Spectrum 48K | English |
| 12787 | Columns | ZX-Spectrum 48K | Russian |
| 24581 | Columns | ZX-Spectrum 48K | Slovak |
| 15121 | Columns | ZX-Spectrum 128K | English |
| 21126 | Columns | ZX-Spectrum 48K | - |
| 1046 | Confused | ZX-Spectrum 48K | English |
| 30786 | Craptris | ZX-Spectrum 48K | English |
| 35245 | Crowley World Tour | ZX-Spectrum Next | English |
| 25514 | Crystal Cubes | ZX-Spectrum 48K | English |