| 29088 | Merchant of Venus | ZX81 16K | English |
| 40788 | Merge | ZX81 16K | English |
| 39959 | Message Scroller | ZX81 16K | English |
| 41626 | Met. Plot | ZX81 16K | English |
| 29089 | Meteor | ZX81 16K | English |
| 31722 | Meteor Storm | ZX81 16K | - |
| 32037 | Meteor Storm - Chroma Edition | ZX81 16K | English |
| 29577 | Meteors | ZX81 16K | English |
| 41540 | Meteors 2 | ZX81 16K | English |
| 29091 | Meteors II | ZX81 16K | English |
| 29093 | Metric Conversion | ZX81 16K | English |
| 29092 | Metric-II | ZX81 16K | English |
| 39663 | Micro Bowls | ZX81 16K | English |
| 41064 | Micro Maestro? | ZX81 16K | English |
| 29094 | Micro Mouse Goes Debugging | ZX81 16K | English |
| 32038 | Micro Sistemas Forth | ZX81 16K | Portuguese |
| 31951 | MicroMan | ZX81 16K | English |
| 29095 | Micromaus 16K | ZX81 16K | - |
| 41112 | Micromouse | ZX81 16K | English |
| 36737 | Midway | ZX81 16K | Portuguese |