Growth Thief: Expand or Be Expanded

by Expansion Studio

Uncensored Windows Linux Mac
Versionv1.5.1
EngineRen'Py
Released2025-07-07
Updated2026-04-09
LanguageEnglish

Step into a vibrant anime world where an unknown power has been dawning upon the world. In Growth Thief, you'll embody a captivating young woman named Sky, whose heart holds a peculiar desire: expansion . Not of knowledge or wealth, but of something far more tangible... herself . ​

v1.5.1 Script fixes - thank you RinTohsaka64! Even More SFX and custom music Even higher quality graphics Decreased game size - converted all images to the WEBP format - to decrease disk space while maintaining high image quality, removed deprecated and unused content Even more content, longest chapter yet! Episode 5 story v1.4 Revamped Script: We fully polished and proofread the entire script, from prologue to last chapter, for sharper, more professional dialogue. Clear Chapter Breaks: No more guessing—chapters are now cleanly separated. Revamped Sound: Added more SFX and custom music tracks. Improved Graphics: Upgraded to even higher-quality images. Bug Squashing: Fixed minor glitches for a seamless experience. Episode 4 Story: Sky’s breast-stealing saga takes a wild turn! Enjoy the enhanced Growth Thief! We can’t wait to hear what you v1.0 Initial Release
Goldspark1 2025-03-18
Oh man, this was a hard game to judge because it does some things really well and other things not so well. Just finished playing Growth Thief: Expand or Be Expanded [v1.4] and have some good things and some bad things to say about the game. First thing I will admit is the game is not complete. So, is a bit premature for me to say how good this game is but still want to give my other thoughts. The A.I. Computer Generated artwork is amazing. Not just for the women as they are the most important. The shot of them really does a great job drawing your eye to their breasts. You really get to see what different sized breasts look on the characters. This was the biggest highlight for me when playing the game. The backgrounds are also rather pretty. From a stormy night to a cozy apartment. That was all great. Though the story is…not the best. While exposition can be boring and players want to get straight to the fun Breast Expansion, do feel like the story suffers for it. I have no clue how magic works in this world. If magic was this rare thing that only a select few can do to alter their bodies or if anyone can do it. How it is strange no one catches on that women’s breasts are being stolen because they live in the information age where everything is recorded. For example, the pizza delivery girl got her breasts stolen. Even if no one believed her about her shrinking breasts, wouldn’t she know where Sky lives and investigate? Would just like a bit more thought into the story on how the world works. This next part is pure wish fulfillment but would like a ‘non-evil’ route for the story. Sure, expect this game to have an option for you to steal the breasts of every well-endowed woman in town and become huge but would like it if you could also choose the ‘friendship’ route. A more laid-back form of storytelling as you swap breast sizes with your friends to try out different sizes.

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