Undertale HealthBars
A mod that adds health bars from Undertale into Minecraft!
Screenshots
About this Mod
DEPENDENCIES
YetAnotherConfigLib (Required)
Mod Menu (Optional but recommended!)
MOD INFO
Do you like Undertale? Yes?
Do you like HealthBar Mods? Yes?
Do you wish there was a HealthBar mod that would have Undertale like HealthBars?
Well this is the Undertale HealthBars mod!
A mod that adds Undertale styled HealthBars into Minecraft!
Features
1- Shows healthbars of entities and their damage/healing amount
2- Plays damage and heal sounds from Undertale
3- Replaces normal BossBars with Undertale like bossbars (Ender Dragon and Wither only)
4- Lots of Configuration Options (with YACL)
CREDITS
Toby Fox and Temmie Chang for making Undertale! (Undertale on Steam)
AdyTech99's Health Indicators Mod which i used its code to update this mod's Minecraft version! More info
LunaticFirework for russian translation (Play his games here!)
If I'm missing any credits please dm me on discord or on my discord server.
my username: kevin_eleven2007
Available Versions
How to Install Undertale HealthBars on Your Server
Order Server
Order a Minecraft Java server with at least 3 GB RAM (4 GB recommended).
Set fabric Loader
In the panel under "Egg", select the fabric loader and matching Minecraft version (1.21.11).
Install Mod
Open the mod browser in the dashboard and search for "Undertale HealthBars". Click "Install" – done! Alternatively, upload the .jar via SFTP to the /mods folder.
Compatibility
Mod Loaders
Minecraft Versions
1.21.11, 1.21.10, 1.21.4 (+2 more)
Server-side
✗ UnsupportedRecommended RAM
4 GB(min. 3 GB)Frequently Asked Questions
Undertale HealthBars server crashes on startup – what to do?
Most common cause: wrong fabric version or insufficient RAM. Check the server log (latest.log) for "OutOfMemoryError" or "Mixin" errors. With Mado Hosting: ensure at least 3 GB RAM is allocated and the loader matches the mod version (1.21.11). You can switch loaders with one click in the panel.
Is Undertale HealthBars compatible with fabric?
Undertale HealthBars officially supports fabric for Minecraft 1.21.11, 1.21.10, 1.21.4. The Mado dashboard automatically detects incompatible loader combinations.
Server lagging with Undertale HealthBars – how to optimize performance?
Recommended RAM: 4 GB (per 8 players). Use /spark profiler to check if Undertale HealthBars consumes the most tick time. Common fixes: reduce server view-distance to 8-10, install "performant" or "starlight" as supplementary mods on Forge. With Mado Hosting, your server runs on NVMe SSDs with dedicated CPU cores for minimal latency.
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Install Undertale HealthBars with just one click on your server.