Transform into a giant hero and battle a kaiju of your own creation!
About
You can transform into a giant hero using the transformation item "Ultra Smartphone." As Ultra Boy (if male) or Ultra Girl (if female), you have protected the city from kaiju until now.
One night, you have a prophetic dream. It's a dream of a kaiju destroying the city, but as for what kind of kaiju it is—that's for you to decide. The next day, that kaiju actually attacks the city. Transform into the Giant Hero and battle the kaiju you envisioned!
*You can choose a pre-made kaiju or fight a completely original one. You can also add original settings to the kaiju listed below.
Characters
A space kaiju with a second mouth on its abdomen. It swallows everything whole and dissolves it with digestive fluids.
An eight-legged spider kaiju. It spits webbing to entangle or wrap enemies in a cocoon.
A frog-like kaiju. Its tongue extends freely to wrap around and constrict opponents.
A slug-like kaiju. It has a soft body with mucus dripping from its surface.
A giant serpent kaiju. It coils its long body around prey and constricts them tightly.
A land-walking jellyfish space kaiju. It hoists opponents with tentacles and pulls them into its bell to swallow them.
A green slime organism. It flows freely and takes in anything to digest it.
A crustacean kaiju. It spits dissolving bubbles that melt everything into sludge.
A carnivorous plant kaiju. It captures prey and digests them into sludge.
A giant octopus kaiju. It entangles and constricts enemies with its suction-cupped tentacles.
Intro
You can transform into a giant hero using the transformation item, the "Ultra Smartphone." Not only that, you possess the ability to foresee kaiju that will appear in the near future.
One night, you have a prophetic dream of a kaiju appearing. As for what kind of kaiju it is...
Release Date 2026.08.28 / Last Updated 2026.08.28