Explore the giant metropolis and transform yourself into a colossal twin boss.

In this amusing adventure, you will grow to a massive weight, becoming a behemoth in the yellow sibling jumper game. Obliterate the landscape and rise as the universe's mightiest contender in the surprising rainbow friends games, using cunning tricks to control the chaos. You'll find incredible fast food like burgers, chicken sandwiches, and treats all over the Ragdoll town with its mischievous rainbow friends and enormous sibling. While Mama tends to the baby in care games, this insatiably hungry giant proves far too clever in the crafty legend food game. Navigate a fully destructible world while skillfully avoiding its many perils.

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

The bigger you become, the more you can consume. Devour burgers, doughnuts, and more! This is Fat Twin Sibling!

Twin siblings battle fiercely to see who can grow the largest.

Consume everything in sight and become the ultimate, fattest siblings.

What's New in the Latest Version 1.4

Last updated on Sep 1, 2024

This update includes minor bug fixes and general improvements. Install or update to the newest version to experience it!