Games Series Beginning with M
- Lord Marksman and Vanadis
- M3: Sono Kuroki Hagane
- Mabinogi
- Maburaho
- Macademi Wasshoi
- Machine Doll wa Kizutsukanai
- Macross
- Made in Abyss
- Maesetsu!
- Magi: The Labyrinth of Magic
- Magic Kyun! Renaissance
- Magic The Gathering
- Magical Angel Creamy Mami
- Magical Girl Lyrical Nanoha
- Maho Sentai Magiranger
- Maho Shojo Site
- Mahoromatic
- Mahotsukai no Yoru
- Mahou Sensou
- Mairimashita! Iruma-kun
- Maitetsu / Rail Romanesque
- Maji de Watashi ni Koi shinasai!
- Majin Bone
- Majin Tantei Neuro
- Majiten - Maji de Tenshi wo Tsukuttemita -
- Major League
- Makai Oji - Devil and Realist
- Makai Senki Disgaea
- Makai Tensho
- Maken-ki !
- Mamegoma
- Mameshiba
- Manabi Straight!
- Maoyu Maou Yusha
- Maple Story
- Mar Heaven - MARCHEN AWAKENS ROMANCE
- Marginal #4
- Marginal Prince
- Maria Holic
- Marie & Gali
- Marvel Comics character
- Masamune-kun's Revenge
- Mashiroiro Symphony
- MASHLE
- Mayochiki!
- Mayonaka Idol! Mosatune
- MEDAROT
- Meet the Robinsons
- Mega Man series (Rockman)
- Megami Magazine
- Megami Meguri
- Megami Tensei
- Megane no Kanojo
- Megaton Kyu Musashi
- Megazone 23
- Meiji Tokyo Renka
- Memories Off
- Men's Non-No
- Metal Gear Solid
- Mewkledreamy
- MEZZO
- Miffiy
- Mikagura Gakuen Kumikyoku
- Million Doll
- Mimibukuro/Shin Mimibukuro
- Minami Kamakura High School Girls Cycling Club
- Minamike
- Minecraft
- Mini
- Minions
- Mirai no Mirai(Mirai of the Future)
- Missing Blue
- Mitokoumon
- Mitsuboshi Colors
- Mizu no Senritsu
- Mob Psycho 100
- Mobile Suit Gundam
- Mobile Suit Gundam SEED
- Mobile Suit Gundam Seed Destiny
- Mobile Suit Gundam THE WITCH FROM MERCURY
- Mobile Suit Z Gundam (Zeta Gundam)
- Moe Moe 2jitaisen
- Moe Theme
- Moekan
- Moesta
- Moetan
- Momo and Grapes Company Series
- Momokyun Sword
- Mondaijitachi ga Isekai kara Kuruso Desuyo?
- Monochrome Factor
- Monokuro Boo
- Mononogatari
- Monster
- Monster collection
- Monster Hunter
- Monster Musume no Iru Nichijo (Everyday Life with Monster Girls)
- Monster Retsuden Oreka Battle
- Monster Strike
- Moomin
- MotoGP