| Title | Publisher | Year | Language | Documents |
|---|---|---|---|---|
| Making of Me, The | Audrey Yeung | 2022 | English | |
| Matter of Heist Urgency, A | FLACRabbit | 2022 | English | |
| Mermaid Adventure | Leaflet Games | 2022 | English | Solution, Map |
| Midnight at Al's Self Storage, Truck Rentals, and Discount Psychic Readings | Thomas Insel | 2022 | English | Solution, Map |
| Minecraft: Hardcore Part 1 | British International School of Washington | 2022 | English | |
| Monty's Midnight Adventure | Jamie Bradbury | 2022 | English | |
| Murder Mystery | British International School of Washington | 2022 | English | |
| Murder Mystery Part 1, The | British International School of Washington | 2022 | English | |
| Mysterious Kidnapping Part 1, The | British International School of Washington | 2022 | English | |
| Mysterious Kidnapping Part 2, The | British International School of Washington | 2022 | English | |
| Mystery House | ? | 2022 | English | |
| Mystery House II | ? | 2022 | English | |
| Mystery of Markham Manor, The | Taskmaster Software | 2022 | English | Solution, Map |