Minecraft version
Back to mods 
CurseForge · Minecraft mod
AbyssCore
The official all-in-one server core for Abyss, featuring military radar systems, tactical missiles, rank progression, and an integrated economy.
Choose a version Pick your version below, then grab the matching file.
Quick answer
Which AbyssCore release should I use?
Latest stable file abyssmc-1.4.28.jar
Game version 1.20.1
Loader Forge
AbyssCore abyssmc-1.4.28.jar targets 1.20.1 with Forge. The project page does not say whether this file belongs on the client, dedicated server, or both. No extra mods listed for this file.
Where it goes
Is AbyssCore required on the client, server, or both?
The project page does not say whether this file belongs on the client, dedicated server, or both.
Client Source doesn’t say
Dedicated server Source doesn’t say
Loader for this release Forge
Required install it here Optional supported, not mandatory Not supported do not install here Source doesn’t say do not assume
The source does not explicitly classify this release as client-only or server-only.
What else does AbyssCore abyssmc-1.4.28.jar need?
abyssmc-1.4.28.jar. Change the file and its required mods may change too.
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 AbyssCore without breaking your instance.
Built for AbyssCore abyssmc-1.4.28.jar. Pick another file and the loader, install side or required mods may change.
- 01
Stick to this file
Use abyssmc-1.4.28.jar. It targets 1.20.1 with Forge; 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
The project page does not say whether this file belongs on the client, dedicated server, or both.
- 04
Pick the file you checked
Use the “Get this file” button beside abyssmc-1.4.28.jar. It opens that exact file at the source.
About this project
What does AbyssCore add?
Abyss System Core
**Abyss System Core** is the official server mod for the AbyssMC server, bringing custom military defense tech, progression, and multiplayer utilities together in one package.
Features
* **Military Defense:** Surveillance radar towers, ground radar terminals with live CRT tracking, and tactical cruise missile systems.
* **Rank System:** Free-to-play rank progression (Krieger, Ritter, Titan, Booster, Abyss) unlockable with in-game AbyssShards.
* **Chat Customization:** Rank-based chat colors via /chatcolor and interactive chat games.
* **Economy:** In-game shop, selling system (/sell), player bounties, and playtime rewards.
* **Multiplayer Utilities:** Homes, TPA, marriages, coinflip, and moderation tools.
Designed for Forge 1.20.1.
Project description from CurseForge.
Pick your setup
AbyssCore by Minecraft version and loader
Choose the version and loader you play, then open the matching release.
Check the dependencies, then try the file in a copied instance before changing a world you care about.
Recent files
AbyssCore versions and loaders
abyssmc-1.4.28.jar
26 Oct 2026
Client Source doesn’t say Server Source doesn’t say Dependencies No extras listed Listed on Release listing
Check the 1.20.1 · Forge setup 1.20.1Forge release
abyssmc-1.4.24.jar
26 Oct 2026
Client Source doesn’t say Server Source doesn’t say Dependencies No extras listed Listed on Release listing
Check the 1.20.1 · Forge setup 1.20.1Forge release
abyssmc-1.4.20.jar
25 Oct 2026
Client Source doesn’t say Server Source doesn’t say Dependencies No extras listed Listed on Release listing
Check the 1.20.1 · Forge setup 1.20.1Forge release
abyssmc-1.4.5.jar
25 Oct 2026
Client Source doesn’t say Server Source doesn’t say Dependencies No extras listed Listed on Release listing
Check the 1.20.1 · Forge setup 1.20.1Forge release
abyssmc-1.4.3.jar
24 Oct 2026
Client Source doesn’t say Server Source doesn’t say Dependencies No extras listed Listed on Release listing
Check the 1.20.1 · Forge setup 1.20.1Forge release
abyssmc-1.4.0.jar
24 Oct 2026
Client Source doesn’t say Server Source doesn’t say Dependencies No extras listed Listed on Release listing
Check the 1.20.1 · Forge setup 1.20.1Forge release
abyssmc-1.3.17.jar
22 Oct 2026
Client Source doesn’t say Server Source doesn’t say Dependencies No extras listed Listed on Release listing
Check the 1.20.1 · Forge setup 1.20.1Forge release
abyssmc-1.3.14.jar
21 Oct 2026
Client Source doesn’t say Server Source doesn’t say Dependencies No extras listed Listed on Release listing
Check the 1.20.1 · Forge setup 1.20.1Forge release
abyssmc-1.3.13.jar
19 Oct 2026
Client Source doesn’t say Server Source doesn’t say Dependencies No extras listed Listed on Release listing
Check the 1.20.1 · Forge setup 1.20.1Forge release
Looking for an older file? The official CurseForge project page is in Resources.
mod CurseForge · Minecraft
ReHorizon
A Linggango RPG class expansion featuring permanent ranks, powerful awakenings, unique combat abilities, summoning mechanics, and extremely rare secret classes.
mod CurseForge · Minecraft
ProjectC ~ Ark of Cosmos
A mod added Ark of Cosmos from Calamity mod in Terraria
mod CurseForge + Modrinth · Minecraft
QuickStack & Craft
All-in-one inventory QoL mod combining quick stack, dump all, slot-based favorites, and craft-from-nearby-storage. Inspired by Terraria's inventory management.