Mamiko has done the following roles in games.

Arknights [smartphone]	Reed
Azur Lane [smartphone]	Vittorio Veneto
Dengeki Gakuen RPG Cross of Venus [NDS]	Nogizaka Haruka
Galaxy Angel [PlayStation 2, Windows, Xbox]	Kuromie Quark
Kaitou Tenshi Twin Angel 3 [Pachi Slot]	Kannazuki Aoi
Kanokon SE [PS2]	Oyamada Kouta
Kidou Senshi Gundam Climax U.C. [PlayStation 2]	Sharlie
Kimi Kiss [Playstation2]	Shijou Mitsuki
Kodomo ni Anshin site Ataerareru Game Series Sekai Meisaku Douwa Oyako de Yomeru Game Ehon Princess-hen [N3DS]	reading
Lucky Star Moe Drill [NDS]	Hinata
Mahou-sensei Negima! 1Jikanme [Playstation2]	?
Mugen no Frontier: Super Robot Taisen OG Saga [NDS]	Suzuka Hime
Nogizaka Haruka no himitsu: Kosupure hajimemashita [PlayStation 2]	Nogizaka Haruka
Persona 3 [Playstation 2]	Yamagishi Fuuka
Phantom Kingdom [Playstation 2]	Torenia
Princess Frontier Portable [PSP]	Wilma
Project X Zone 2: Brave New World [N3DS]	Unknown
Rune Factory 2 [NDS]	Dorothy
Sengoku Basara 2 [Wii]	Oichi
Sengoku Basara 3 [Wii]	Oichi
Shin Lucky Star Moe Drill -Tabidachi- [NDS]	Hinata
Tantei Opera Milky Holmes 2 [PSP]	Yutaka
Tsukumonogatari [PSP]	Nanao Youko
Wonderland Online: Ankoku no kinjutsu [Windows]	Nice
Wrestle Angels Survivor [PlayStation 2]	?
Zero -Gesshoku no Kamen- [Wii]	Minazuki Ryuuka