BattleTale:Boss Battles&Maker

Contains adsIn-app purchases
4.2
2.51K reviews
Content rating
Everyone 10+
1M+
Downloads
Content rating
Everyone 10+
Fantasy Violence
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About this game

Create & Battle in an Undertale-Inspired Genocide-Style Fight Simulator!

Step into fast-paced, skill-based battles inspired by Undertale’s combat system! Face off against challenging AUs, unique bosses, and endless survival modes, or create your own fights with a powerful custom editor.

🔥 Key Features:
✔️ Inspired by Undertale Battles – Experience intense, bullet-hell fights with familiar mechanics.
✔️ Custom Fight Editor – Design your own boss battles, create unique attack patterns, and test your skills!
✔️ Epic Boss Fights – Face exclusive AUs and original characters like Gemuard, Royal Guard, Gaster, Neo 2, AI, Kimiko, and more.
✔️ Endless Soul Mode – How long can you survive against increasingly difficult attacks?
✔️ Weekly Entity Challenge – A brand-new boss fight every week for you to defeat.
✔️ Leaderboards & Competitive Play – Compete with others and climb the ranks!
✔️ Share & Play Fights – Download community-made fights or challenge your friends with your own creations.

⚔️ Dodge, Attack, Survive. Are you ready to take on the challenge?

📥 Download now and start your battle!
Updated on
May 25, 2026

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
Personal info, App activity and 2 others
No data collected
Learn more about how developers declare collection
Data is encrypted in transit
Data can’t be deleted

Ratings and reviews

4.4
2.22K reviews
Andrew Ortiz
May 20, 2026
This app is amazing, even for the fact people can create their own enemies/bosses and set it up how they want, only thing I like to point out is that BattleTale is missing stuff(thats what i think), but everything else, its all fine, the developer for this game has put alot of work to create a masterpiece, this app can even be used offline which is also great
4 people found this review helpful
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Dutch van der Linde
September 17, 2025
I like this game a lot. I especially like the custom battle feature, and making custom attacks is... surprisingly easy? Some things are beyond me with it, but overall I really love the custom features. The original creation battles like RG and Neo feel smooth, and while certain aspects of the Undertale battle recreations are different, it's still very accurate and fun to play. I showed it to my close friend Hosea, and he loved it too. If it's still updating, I'd love to see where it goes.
32 people found this review helpful
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Damien
June 14, 2025
The attacks last longer than in the original game and are much faster. There are almost no invincibility frames, and the controls feel very slippery. It used to be much better. Now, there’s an ad almost every time you die, whereas it used to only show ads if you opted to watch one for an extra heal in the next attempt. And the battle UI is tiny. The attacks are oversized, while the soul is also large, making it nearly impossible to dodge certain attacks, like Undyne's small box with spears.
6 people found this review helpful
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What’s new

Yellow Soul: enable Big Shot that can go through multiple projectiles
Custom Entity Editor: new Purple Soul, boss-wide Global Attacks,
Persistent spawners, scoped events, joystick & screen variables
Polish: smoother purple-line transitions, controller input fixes, and lots of editor quality-of-life
Modernized some navigation code which can have some strange effects, please report if you notice any problems

Full changelog: https://battletale.app/customhelp/releases