Godzilla: Warriors

(Warning: Takes place in an alternate universe. The Kaiju are not giant monsters, but humanoid creatures with strange powers and abilities.)
Godzilla comes back from hiding to combat the evil forces of King Ghidorah. But he's not alone. It's Godzilla's army vs Ghidorah's army.
Featuring many classic Kaiju, including Mothra, Anguirus, Rodan, Gigan, Biolante, and Hedorah, and featuring Muto, Krystalak, Obsidius and a special guest at the end.