Best breasts
Download the free version for a much better experience! Please rate!
F4 and F3 for full screen! Give me feedback here or on discord. Tell me if you want to see more of this. Hope you have fun!
Get 3 more girls in the Bonus version here
[Disclaimer: All characters involved in sexual acts are 18+ and all sexual acts are consensual. You must be of legal age in order to play this game.]
Credits
-Moans: Delalicious VA sound pack
-Sexy sounds: openNSFW SFX pack
-Plug ins: VisuStella, SomeRanDev
Check out another expansion game and my main game:
Download
Install instructions
1. Download
2. Extract (use 7-Zip or something similar)
3.Play (Start the game with game.exe)
Saves are stored in the game's www/save folder. Most of the time, It's possible to copy them from one version of the game to another.
Development log
- Best breasts UPDATE48 days ago
- Best Breasts FIXEDAug 28, 2025
- HOTFIX for Best BreastsAug 27, 2025
- Best breasts - New game!Aug 26, 2025
Comments
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I am currently playing the game after installing it on my PC, but when I save and quit, the save file is missing when I relaunch it, so I can't load my progress.
Just to be sure are you using the save button before using the quit button?
any idea what the redeem codes are or at least do?
minigames don't work on web :(
Are you on PC?
yeah !
Then they should work. Maybe using a different browser will solve the problem.
i use Firefox. sometimes that's the problem with other games. is it in this case?
Could be.
Do you have any plans on a paid standalone release like with Bimbo Rivals?
I'm not sure. I will have the full version ready this month and I will decide then.
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Can't you put a money indicator in a corner? It shouldn't be too difficult with RPG Maker since there is already something like that in the start menu
You can see your money on screen at all times in the downloadable version. That plug in does not work on web unfortunately.
Will you add a gallery (or a slider)? A way to see the evolution of the characters through the phases of growth. Since the game can be played mostly idly, you miss a lot of the visual evolution.
Yes! All of that plus 3 more girls will be available in the next update.
Do you know somewhat when Tsunade is realesed?
Just a few days now.
It would be great if there more body expansion possibly weight gain or inflation
When I finish the mini game. The screen just says loading
On web or download version?
Web
It occured in Lancelot's first minigame
Does it happen every time or did it happen just once?
Everytime
Is there a way to get the perma buffs? And someone said about a rebirth?
Rebirth is coming in the next upodate. Perma buffs you get them from Shadowheart's minigames (the 3rd girl
Ok.
Would be nice if there was like some sort of gallery where we can see the stages more freely
That makes sense. I will add it in the next update along with Tsunade.
Holy back pain
Cannot Read property "length" undefined
The error message when I try to play one of the minigames
Are you playing the newest version on a new save? That bug should not exist anymore.
Virus Total (This one is like very common for these rpg maker games) scan: https://www.virustotal.com/gui/file/b54a6646ac8b321563caa9d5443c6f6adb84a055c50c...
Meta Defender (No engine scan but still detected threat, dunno why...) Scan: https://metadefender.com/results/file/bzI1MDgyOHpGbGpiYk5KeVNiUEFWZDdxSUNk_mdaas
The browser is okay but my browser doesn't save so I still want the downloadable
I've just uploaded a new version that uses a different plug in. Let me know if the problem persists.
Nope, the jiangmin scanner thing still scanned something in VirusTotal: https://www.virustotal.com/gui/file/3784c8ebc78b61d9a1aaae2bb3db5d0096d47abbf334...
And the Meta Defender too: https://metadefender.com/results/file/bzI1MDkwMjRReHAydXViXzh4Tm1XMmRsM1RH_mdaas
using rpg maker to do an idle game is definitely an interesting choice but i've played match 3 games in renpy so
Loading a saved game halts some progress. I purchased the 2 upgrades after Rebirth and nothing popped up, but it still took my gold.
You will have the 2 upgrades in the next update. In what way does loading halt progress?
Oh, that would be it then. I thought the loading was preventing the upgrades from showing.
Ok thanks! Tell me if more things come up. Did the game ever crash when you started a minigame?
The update fixed it.
It had only crashed after loading a saved game.
I was incorrect. The error popped up trying a minigame again. The same Type Error as the other comment
It looks like it always appears after you've closed the game or loaded a save. I will look into it more.
Been getting an error when trying to do the first girl's money minigame. Currently near completing her. Same thing happens for the second girl
TypeError
Cannot read property 'length' of undefined
Thanks for mentioning it. I'm fixing that one right now!
It should be fixed now. Tell me in case the problem persists in the new version.
I get that issue on the second girl
I finally figured it out. The fixed version will be available in about 1 hour.
for sure needs work
a better money system at the least
wrong tag for breasts-expansion. put it under breast-expansion.
Thanks
Needs to be an easier way to see current coins, very annoying having to go into a menu each time (and the number doesn't update live in the menu either)
You can see it at the top of the screen like in the screenshots but not in the web version. That plug-in doesn't work there unfortunately.