What is mega godzilla?

Mega Godzilla is a fictional character from the Godzilla franchise. It is an upgraded version of Godzilla that first appears in the video game, Godzilla: Kaijuu no Daishingeki. Mega Godzilla has several upgrades, including increased size, strength, and durability. It has a more muscular appearance and has additional armor on its body. It also has an enhanced version of Godzilla's atomic breath. Mega Godzilla has appeared in several other Godzilla media, including comics and video games.