X (continued)
- X-Zone
- Xardion
- Xexyz
- XIII
Y
- Yoshi's Cookie
- Yoshi's Safari
- Youkai Club
- Youkai Yashiki
- Ys - The Vanished Omens
- Ys II - the Final Chapter
- Ys III: Wanderer's from Ys (Famicom)
- Ys III: Wanderer's from Ys (SNES)
- Ys III: Wanderers from Ys (Genesis)
- Ys IV: Mask of the Sun
- Ys V: Lost Kefin, Kingdom of Sand
Z
- Zanac
- Zero the Kamikaze Squirrel
- Zero Wing
- Zoda's Revenge - Star Tropics II
- Zombie Hunter
- Zombie Revenge
- Zone of the Enders