Zoids: Teikoku vs Kyouwakoku - Mecha Seita no Idenshi
Zoids is a sci-fi role-playing game for the Game Boy Color.
Zeus: Master of Olympus
Zeus is a major improvement for Impressions' line of city-building games, and it's a significant advancement for city-building games in general.
Zombie Revenge (2011)
Does the fact that Sega has added exclusive home-only features mean that Zombie Revenge is much more than a gussied-up arcade port? Not exactly.