
Modrinth · Minecraft mod
Deltapack
A deltarune datapack adding content from dark fountains and dark worlds to the roaring knight. As well as items and spells like snowgrave and the shadow mantle.
Quick answer
Which Deltapack release matches 26.1?
Deltapack 2.1+mod targets 1.21.11, 26.1, 26.1.1 with Fabric, Forge, NeoForge. Installation on the client is optional. Installation on the dedicated server is optional. No extra mods listed for this file.
Where it goes
Is Deltapack required on the client, server, or both?
Installation on the client is optional. Installation on the dedicated server is optional.
The source marks this as usable on both the client and server.
What else does Deltapack 2.1+mod need?
2.1+mod on 26.1. Every mod below is checked against that same setup.
This file does not list any required mods. Do not add a library just because a different file uses it.
This file does not list any required or optional mods.
Before you install it
Add Deltapack without breaking your instance.
Built for Deltapack 2.1+mod on 26.1. Pick another file and the loader, install side or required mods may change.
- 01
Stick to this file
Use 2.1+mod. It targets 1.21.11, 26.1, 26.1.1 with Fabric, Forge, NeoForge; another release may have different loader, side or dependency requirements.
- 02
Bring the mods it needs
This file does not list any required mods. Do not add a library just because a different file uses it.
- 03
Put it on the correct side
Installation on the client is optional. Installation on the dedicated server is optional.
- 04
Pick the file you checked
Use the “Get this file” button beside 2.1+mod. It opens that exact file at the source.
About this project
What does Deltapack add?
Deltapack is THE deltarune datapack that you have been searching for!
Whilst currently small it features a decent amount of content to kickstart your deltarune journey.
The Knife: Craft a knife then stab the ground to open a dark fountain, will convert nearby items into a darkner.
Snowgrave: Well that took a weird route, craft snowgrave and use the spell to freeze all nearby entities to death....
The Roaring Knight: The first (and currently only) boss! A difficult bullet hell styled fight where they attack first, then you get a chance to attack, mimicing the turn based combat of the original game.
The Shadow Mantle: Greatly reduces damage from firework and magic attacks, which happen to be the exact kind of attacks The Knight uses.
The Shadow Crystal: Drops from the Roaring Knight, consume it to gain their abilities!
deltarune by toby fox
this is not afilliated with toby fox or deltarune, it is simply a fan creation
(ive never played deltarune so mb if its inaccurate i make this stuff for fun)
Project description from Modrinth.
Pick your setup
Deltapack by Minecraft version and loader
Choose the version and loader you play, then open the matching release.
26.2
5 loader builds26.1.2
5 loader builds26.1.1
5 loader builds26.1
5 loader builds25w43a
5 loader builds25w42a
5 loader builds25w41a
5 loader builds1.21.11
5 loader builds1.21.10
5 loader builds1.21.9
5 loader buildsCheck the dependencies, then try the file in a copied instance before changing a world you care about.
Recent files
Deltapack versions and loaders
2.1+mod
deltapack-2.1.jar
14 Jun 2026
2.1
deltapack.zip
13 Feb 2026
Looking for an older file? The official Modrinth project page is in Resources.