When battling Mecha-Godzilla with Mothra, make sure you are lined with his neck and have the tip of your upper wings just to the right of the "A" in "Godzilla", now keep firing your eye beam and ...

Obsidius and Krystalak are powerful monsters exclusive to Godzilla video games, not seen in the films. The Vortaak are alien invaders who continuously fail to take over Earth in the Godzilla games.