| Mermaid Princess Amelia and the Lost Symphony: Episode 1 | r131677 | 2026-04-21 |
| Mermaid Shores | r117494 | 2026-04-21 |
| Mermaid Shores - Demo | r117495 | 2026-04-21 |
| Mermaid Splash! Passion Festival | r52011 | 2026-05-13 |
| Mermaid Splash! Passion Festival | r63567 | 2026-04-21 |
| Mermaid Tenacity | r84161 | 2026-05-16 |
| Mermaid princess ～人魚姫と２人の王子様～ | r149562 | 2026-04-21 |
| Merry Crisis | r145678 | 2026-04-21 |
| Merry Crisis - Demo | r145100 | 2026-04-21 |
| Merry March | r137279 | 2026-04-21 |
| Merry Merry | r98354 | 2026-04-21 |
| Merry X'mas you, for your closed world, and you... | r152438 | 2026-04-21 |
| Merry X’mas you, for your closed world, and you… | r45774 | 2026-04-21 |
| Merry christmas to you ! | r105717 | 2026-04-21 |
| MerrySweet & Bitter | r142033 | 2026-04-21 |
| Meruru-chan | r76091 | 2026-05-09 |
| Mes 7 maris et moi | r57610 | 2026-04-21 |
| Mesemedi ~Tsundere Ichaicha AVG~ | r21080 | 2026-05-16 |
| Meshimase Ouji-sama | r6751 | 2026-05-07 |
| Mesmerized - An Intoxicated Story | r90945 | 2026-04-21 |
| Mesmerized - An Intoxicated Story - Incest Patch | r106117 | 2026-05-16 |
| Mesmerized - An Intoxicated Story v0.20.1 | r107357 | 2026-04-21 |
| Message Me, Yuni! - Demo | r75678 | 2026-04-21 |
| Message to the End | r106736 | 2026-04-21 |
| Message ～届けこの想い～ | r21474 | 2026-04-21 |
| Messages | r38270 | 2026-05-06 |
| Message≠Sending | r107923 | 2026-05-10 |
| Messengers and Stars | r37487 | 2026-04-21 |
| Messiah - Smartphone Browser Edition - Trial Edition | r128785 | 2026-05-16 |
| Messy Academy v0.22-demo3 | r67214 | 2026-04-21 |
| Messy Hearts | r148667 | 2026-04-21 |
| Messy Hearts - Volume 1 | r143344 | 2026-04-21 |
| Messy Hearts - Volume 1 | r150930 | 2026-04-21 |
| Messy Hearts - Volume 1 | r143342 | 2026-04-21 |
| Messy Hearts - Volume 1 | r143343 | 2026-04-21 |
| Mesu Ani Ikusei Keikaku! Otsu Otoko ni Sasoware Ijirare Ama Iki Shichau Ore~ | r103307 | 2026-05-15 |
| Mesu Haha ~Onna ni Natta Gibo~ UMD-PG Edition | r151484 | 2026-05-10 |
| Mesu Haha ~Onna ni Natta Kaa-san~ Download Edition | r22694 | 2026-05-09 |
| Mesu Haha ~Onna ni Natta Kaa-san~ Trial Edition | r22695 | 2026-05-13 |
| Mesu Iki Namahousou ~Ano Ko ga Erokute Totsurimashita~ | r57619 | 2026-05-16 |
| Mesu Kyoushi 2 ~Injuu no Rasen~ | r106265 | 2026-04-21 |
| Mesu Kyoushi 2 ~Injuu no Rasen~ Immoral Edition - Download Edition | r35550 | 2026-05-12 |
| Mesu Kyoushi 3 ~In'etsu no Gakusha~ | r80458 | 2026-05-15 |
| Mesu Kyoushi 3 ~In'etsu no Gakusha~ | r102906 | 2026-04-21 |
| Mesu Kyoushi 4 ~Kegasareta Kyoudan~ | r97152 | 2026-04-21 |
| Mesu Kyoushi 4 ~Kegasareta Kyoudan~ Package Edition | r36668 | 2026-05-16 |
| Mesu Kyoushi ~Injoku no Kyoushitsu~ | r116348 | 2026-04-21 |
| Mesu Kyoushi ~Injoku no Kyoushitsu~ Immoral Edition - Download Edition | r35337 | 2026-05-17 |
| Mesu Neko Yuugi - First Press Edition | r12157 | 2026-05-12 |
| Mesu Neko Yuugi - Regular Edition | r24444 | 2026-05-07 |