If you are looking for the best weight gain games on Itch.io, the indie platform offers a surprising variety of titles ranging from visual novels to RPGs. Here are the top-rated and most popular titles in the genre:

Text Adventure / Twine-based RPG

Many Itch.io WG games use free stock art. The best one features:

Several developers utilize classic turn-based systems where gaining weight serves as both a blessing and a curse. Higher weight classes unlock devastating heavy attacks but severely reduce turn speed, forcing players to think strategically about their current size before entering boss fights.

A pillar of the genre, The Grandmaster of Gluttony is a sprawling Twine-based text adventure with thousands of lines of writing. It follows your quest to hunt down the mysterious Grandmaster, but the real gameplay lies in the numerous, delightfully descriptive ways you can be fattened up along the way.