| Yu-Gi-Oh! Duel Monsters | 1998 | gb |
| Yu-Gi-Oh! Forbidden Memories | 2002 | ps1 |
| Yu-Gi-Oh! Monster Capsule Breed & Battle | 1998 | ps1 |
| Yu-Gi-Oh! Rush Duel: Dawn of the Battle Royale | 2021 | switch |
| Yu-Gi-Oh! Shin Duel Monsters - Fuuin Sareshi Kioku | 1999 | ps1 |
| Yumemaboroshi no Gotoku | 1993 | snes |
| Yutona Eiyuu Senki - TearRingSaga | 2001 | ps1 |
| Yuusha 30 | 2009 | psp |
| Yuusha 30 Second | 2011 | psp |
| Yuusha Shisu | 2016 | vita |
| Yuushi no Monshou - Deep Dungeon | 1987 | fds |
| Yvonne Goes to Carbonic | 2024 | gb |
| Z.H.P. - Unlosing Ranger vs Darkdeath Evilman | 2010 | psp |
| Zanki Zero | 2018 | vita |
| Zanki Zero: Last Beginning | 2018 | ps4 |
| Zanma Chou Ougi - Valhollian | 1998 | saturn |
| Zelda Chuanshuo - San Shen Zhili | 2004 | nes |
| Zelda no Densetsu - Fushigi no Boushi | | 3ds |
| Zelda no Densetsu - Fushigi no Kinomi - Daichi no Shou | 2001 | gbc |
| Zelda no Densetsu - Fushigi no Kinomi - Jikuu no Shou | 2001 | gbc |
| Zelda no Densetsu - Toki no Ocarina | 1998 | n64 |
| Zelda no Densetsu - Toki no Ocarina GC | 1998 | n64 |
| Zelda no Densetsu - Yume o Miru Shima | 1993 | gb |
| Zelda no Densetsu 1 - The Hyrule Fantasy | 1994 | nes |
| Zengeon | | ps4 |
| Zengeon | 2021 | switch |
| Zengeon | | xboxone |
| Zenith | 2016 | ps4 |
| Zenith | 2016 | xboxone |
| Zerd no Densetsu | 1991 | gb |
| Zerd no Densetsu 2 - Xerd!! Gishin no Ryouiki | 1992 | gb |
| Zero-Tours | 2001 | gba |
| Zettai Hero Kaizou Keikaku | 2010 | psp |
| Zettai Onkan Otodamaster | 2007 | nds |
| Zhen Shihun - Hun Zhi Liren | | nes |
| Zhen Shihun - Wushidao Liezhuan | | nes |
| Zill O'll | 1999 | ps1 |
| Zill O'll Infinite | 2005 | ps2 |
| Zill O'll Infinite Plus | 2009 | psp |
| Zoids - Battle Card Game - Seihou Tairiku Senki | 2001 | ps1 |
| Zoids - Chuuou Tairiku no Tatakai | 1987 | nes |
| Zoids - Jashin Fukkatsu! Genobreaker Hen | 2000 | gbc |
| Zoids - Legacy | 2003 | gba |
| Zoids - Shirogane no Juukishin Liger Zero | 2001 | gbc |
| Zoids - Teikoku vs. Kyouwakoku - Meka Seitai no Idenshi | 2000 | ps1 |
| Zoids 2 - Heric Kyouwakoku vs. Guylos Teikoku | 2002 | ps1 |
| Zoids 2 - Zenebas no Gyakushuu | 1989 | nes |
| Zoids Saga | 2001 | gba |
| Zoids Saga - Fuzors | 2004 | gba |
| Zoids Saga DS - Legend of Arcadia | 2005 | nds |
| Zok Zok Heroes | 2000 | gbc |
| Zool - Majuu Tsukai Densetsu | 1999 | n64 |
| Zui Youji Zhi Tang Sanzang | | nes |
| Zuizhong Huanxiang X1 | 2026 | nes |
| Zuizhong Huanxiang X2 | 2004 | nes |
| Zuizhong Huanxiang X3 | 2004 | nes |
| Zwei!! | 2004 | ps2 |
| Zwei!! | 2008 | psp |
| deSPIRIA | 2000 | dreamcast |