CurseForge · Minecraft mod
Abyssal Ocean
Adds deep ocean valleys and trenches, reaching depths of -56 blocks! Compatible with biome generation mods (Biomes O' Plenty, Oh The Biomes We've Gone, Terralith, Tectonic). Feel free to use this mod in modpacks; no credit is required.
Quick answer
Which Abyssal Ocean release should I use?
Abyssal Ocean hadal-depths-neoforge-1.21.1-2.3.0.jar targets 1.21.1 with NeoForge. 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 Abyssal Ocean required on the client, server, or both?
The project page does not say whether this file belongs on the client, dedicated server, or both.
The source does not explicitly classify this release as client-only or server-only.
What else does Abyssal Ocean hadal-depths-neoforge-1.21.1-2.3.0.jar need?
hadal-depths-neoforge-1.21.1-2.3.0.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 Abyssal Ocean without breaking your instance.
Built for Abyssal Ocean hadal-depths-neoforge-1.21.1-2.3.0.jar. Pick another file and the loader, install side or required mods may change.
- 01
Stick to this file
Use hadal-depths-neoforge-1.21.1-2.3.0.jar. It targets 1.21.1 with 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
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 hadal-depths-neoforge-1.21.1-2.3.0.jar. It opens that exact file at the source.
About this project
What does Abyssal Ocean add?
Adds deep ocean valleys and trenches, reaching depths of -56 blocks! Compatible with biome generation mods (Biomes O' Plenty, Oh The Biomes We've Gone, Terralith, Tectonic). Feel free to use this mod in modpacks; no credit is required. New versions coming soon.
There are no dependencies.
-- Weaponry and utility items


-- Creatures




And more!
Project description from CurseForge.
Pick your setup
Abyssal Ocean by Minecraft version and loader
Choose the version and loader you play, then open the matching release.
1.21.1
2 loader builds1.20.1
1 loader buildCheck the dependencies, then try the file in a copied instance before changing a world you care about.
Recent files
Abyssal Ocean versions and loaders
hadal-depths-neoforge-1.21.1-2.3.0.jar
11 Nov 2026
hadal-depths-neoforge-1.21.1-2.2.0.jar
18 Sept 2026
hadal-depths-fabric-1.21.1-2.1.7.jar
9 Sept 2026
hadal-depths-neoforge-1.21.1-2.1.7.jar
8 Sept 2026
abyssal-ocean-neoforge-1.21.1-2.0.0.jar
abyssal-ocean-neoforge-1.21.1-2.0.0(3).jar
3 Sept 2026
abyssal-ocean-neoforge-1.21.1-1.9.2.jar
29 Aug 2026
abyssal-ocean-neoforge-1.21.1-1.8.0.jar
16 Aug 2026
AbyssalOcean-1.0.2-NeoForge-1.20.1.jar
AbyssalOcean-1.0.3-NeoForge-1.20.1.jar
14 Aug 2026
hadal-depths-neoforge-26.2-1.0.2.jar
13 Aug 2026
hadal-depths-fabric-26.2-1.0.2.jar
13 Aug 2026
hadal-depths-fabric-1.21.1-1.0.2.jar
13 Aug 2026
hadal-depths-neoforge-1.21.1-1.0.2.jar
13 Aug 2026
Looking for an older file? The official CurseForge project page is in Resources.