| Mail To The Moon | r131719 | 2026-04-21 |
| Mail To The Moon | r133376 | 2026-04-21 |
| Mail To The Moon | r133377 | 2026-04-21 |
| Mailman | r140673 | 2026-04-21 |
| Main Character Energy | r136274 | 2026-04-21 |
| Main Character Simulator | r59713 | 2026-04-21 |
| MainFrame - Act 1 (Beta) | r46572 | 2026-04-21 |
| MainFrame - Closed Alpha | r44437 | 2026-04-21 |
| Mainframe Men | r149491 | 2026-04-21 |
| Mainframe Men - Demo | r147395 | 2026-04-21 |
| Mainichi Kedamono!! Love Ero☆Momoiro School Life♪ | r106261 | 2026-04-21 |
| Mainichi Kiss Shite Lolita | r127666 | 2026-04-21 |
| Mainichi Shabutte Ii Desu ka? ~1-Heya-Manyuu Kazoku~ | r120358 | 2026-04-21 |
| Mairusu-LOVE-Tale | r52401 | 2026-04-21 |
| Maison Ikkoku | r1752 | 2026-04-21 |
| Maison de M | r33051 | 2026-04-21 |
| Maison de M | r79558 | 2026-04-21 |
| Maitetsu | r45598 | 2026-04-21 |
| Maitetsu | r87796 | 2026-04-21 |
| Maitetsu | r121189 | 2026-04-21 |
| Maitetsu | r59303 | 2026-04-21 |
| Maitetsu - 18+ DLC | r57709 | 2026-04-21 |
| Maitetsu - 18+ Demosaic STEAM-FAKKU Patch | r58096 | 2026-04-21 |
| Maitetsu - 18+ Edition | r52374 | 2026-04-21 |
| Maitetsu - 18+ Restoration Patch | r57710 | 2026-04-21 |
| Maitetsu - Last Run!! | r103140 | 2026-04-21 |
| Maitetsu - Last Run!! | r147292 | 2026-04-21 |
| Maitetsu - Last Run!! | r115301 | 2026-04-21 |
| Maitetsu -pure station- | r63941 | 2026-04-21 |
| Maitetsu -pure station- Deluxe Edition | r66779 | 2026-04-21 |
| Maitetsu -pure station- Package Edition | r66780 | 2026-04-21 |
| Maize's Mission | r133011 | 2026-04-21 |
| Maji de Majikoi & Tsujidou Fans Discord ni Koi Shinasai | r70548 | 2026-04-21 |
| Maji de Watashi ni Koishinasai! | r36877 | 2026-04-21 |
| Maji de Watashi ni Koishinasai! | r33583 | 2026-04-21 |
| Maji de Watashi ni Koishinasai! A - Package Edition | r70795 | 2026-04-21 |
| Maji de Watashi ni Koishinasai! A - Ryouken Route After | r112736 | 2026-04-21 |
| Maji de Watashi ni Koishinasai! A Plus | r112735 | 2026-04-21 |
| Maji de Watashi ni Koishinasai! A-1 | r147223 | 2026-04-21 |
| Maji de Watashi ni Koishinasai! A-1 | r39995 | 2026-04-21 |
| Maji de Watashi ni Koishinasai! A-2 | r47596 | 2026-04-21 |
| Maji de Watashi ni Koishinasai! A-3 | r50287 | 2026-04-21 |
| Maji de Watashi ni Koishinasai! A-4 | r82064 | 2026-04-21 |
| Maji de Watashi ni Koishinasai! A-4 Dialogue Uncensor Patch | r119370 | 2026-04-21 |
| Maji de Watashi ni Koishinasai! A-5 | r76622 | 2026-04-21 |
| Maji de Watashi ni Koishinasai! S | r76413 | 2026-04-21 |
| Maji de Watashi ni Koishinasai! S | r39280 | 2026-04-21 |
| Maji de Watashi ni Koishinasai! S - Trial Edition | r21394 | 2026-04-21 |
| Majikoi! Love Me Seriously! - 18+ DLC | r78185 | 2026-04-21 |
| Majikoi! Love Me Seriously! - Download Edition | r64729 | 2026-04-21 |