Arrow keys to walk and space to jump. F for 1999-2000 Godzilla's breath and G for 2002-2003 Godzilla atomic breath. R to roar and finally click the sprite to switch between Godzilla's. For anyone wondering the first one is the 1999-2000 Godzilla and the second one is the 2002-2003 Godzilla.
TOHO studios.
