Bonetale

Contains ads
4.2
142K reviews
10M+
Downloads
Content rating
Everyone
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About this game

A fan-made game inspired by Undertale™ where you fight for the monsters and must stop an evil human!

Over 9 unique characters! Use bones, shoot Gaster Blasters, alter gravity, stop time, and much more!
You can also create your own character!

The new update has added an adventure mode!

Features:
* Create your own character!
* Adventure mode!
* More than 9 difficulty levels!
* 9 unique characters!
* Tons of content!
* High difficulty level!
* Badtime?

* Bonetale is a fan-made project based on the original Undertale™ game created by Toby Fox.
Updated on
Dec 10, 2025
Available on
Android, Windows

Data safety

Safety starts with understanding how developers collect and share your data. Data privacy and security practices may vary based on your use, region, and age. The developer provided this information and may update it over time.
This app may share these data types with third parties
Location
No data collected
Learn more about how developers declare collection
Data is encrypted in transit

Ratings and reviews

4.1
120K reviews
Landon
March 17, 2026
This is one of the most underrated undertale games ever, and it needs more recognition because it's really good!! there are a few problems that have shown up though, one being that undyne the undying form does not allow green soul or spear throwing. Other than that, I only request that either last breath sans character is added, or disbelief papyrus character is added back, or even both because it would be really fun. Overall an amazing game, love the designs and can't wait for more!
9 people found this review helpful
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Ember Fox
March 15, 2026
It seems like the latest update really screwed up the game on mobile for some reason. The shop just straight up doesn't work anymore. I thought maybe uninstalling and reinstalling the game would fix it, but nope, the shop is just totally messed up. The rest of the update seems great, but not being able to use a major section of the game really puts a damper on things. Also there's still an excessive and disruptive amount of ads.
3 people found this review helpful
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Isaiah Alverio
January 10, 2026
it's fun but the custom characters are buggy as hell. half the time, the abilities for them work perfectly fine but sometimes the abilities just completely freaking break and it will mess up to where you can't add passive abilities to the base form turning into a bad time mode and you can no longer change your power stat. this is a big freaking problem because it completely ruins all of the extra modes for custom characters sometimes and it can be really irritating. other than that it's good.
9 people found this review helpful
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What’s new

Giant Update!!!
* Genocide Mode - battle against a giant number of bosses!
* Improved Skin Editor!
* A ton of new content!

Apologies for such a long delay. This was the most difficult and large-scale update I've ever made. It literally squeezed all the juice out of me. There won't be any more long breaks like this. Thank you for continuing to play the game!