Explore Giant Big City and transform yourself into a colossal twin boss.

This mischievous character evolves into a colossal giant, weighing thousands of pounds, and dominates the arena in the yellow sibling challenge. It can devastate the landscape and claim the title of the universe's heaviest in the startling Rainbow Friends saga, using clever illusions to control the situation. An abundance of fast food items like burgers, chicken sandwiches, and sweets are scattered throughout Ragdoll Town's mischievous Rainbow Friends world. Mama cares for the baby in nurturing games, but the hungry giant is incredibly cunning in the clever hero food challenge. Maneuver through a destructible environment while avoiding hazards.

Use your coins to purchase upgrades and unleash your powers to wreak havoc on everything in your path!

The more you eat, the bigger you get. Devour burgers, doughnuts, and even people! This is Fat Twin Sibling!

Fat siblings compete to become as enormous as possible.

Consume everything in sight and become the fattest siblings.

What's New in the Latest Version 1.4

Last updated on Sep 1, 2024

Minor bug fixes and improvements. Install or update to the newest version to check it out!