ModsFinder

Diabolical Islands

by Klinbee

Diabolical Islands is a Cursed datapack that rebuilds the Nether with the floating island generation of Aetherial Islands.

FabricForgeNeoForgeQuiltServer required, client optionalMIT LicenseOpen source1.20 – 1.21.11

What it does

Players who want soaring islands, flat plains and caves in the Nether can load this datapack into a world. Its world generation swaps the usual Nether layout for floating land above a vast sea of lava, with structures on hills and in biomes that follow the world type. Files exist for 1.20 – 1.21.11, with snapshot builds also published, and the datapack is open source under the MIT License.

Key features

  1. Floating Nether islands

    The Nether generates floating islands above a sea of lava, in place of the standard cavern layout.

  2. Varied island terrain

    Islands include flat plains, caves and rolling hills, so exploration differs from one island to the next.

  3. Biome-aware structures

    Structures are placed according to the biomes and world type of each island.

Compatibility

Latest build for each game version and loader.

1.21.x12 of 12 versions with builds
1.21.111.0.0+mod1.0.0+mod1.0.0+mod1.0.0+mod
1.21.101.0.0+mod1.0.0+mod1.0.0+mod1.0.0+mod
1.21.91.0.0+mod1.0.0+mod1.0.0+mod1.0.0+mod
1.21.81.0.0+mod1.0.0+mod1.0.0+mod1.0.0+mod
1.21.71.0.0+mod1.0.0+mod1.0.0+mod1.0.0+mod
1.21.61.0.0+mod1.0.0+mod1.0.0+mod1.0.0+mod
1.21.51.0.0+mod1.0.0+mod1.0.0+mod1.0.0+mod
1.21.41.0.0+mod1.0.0+mod1.0.0+mod1.0.0+mod
1.21.31.0.0+mod1.0.0+mod1.0.0+mod1.0.0+mod
1.21.21.0.0+mod1.0.0+mod1.0.0+mod1.0.0+mod
1.21.11.0.0+mod1.0.0+mod1.0.0+mod1.0.0+mod
1.211.0.0+mod1.0.0+mod1.0.0+mod1.0.0+mod
1.20.x7 of 7 versions with builds
ReleaseBetaAlphaNot available

This mod also publishes snapshot builds. Snapshots are not shown in the matrix.

Required by 1 mod

Diabolical Islands x Incendium1.20 – 1.21.11

How it compares

Full comparison

Floating Island For Survival is open source under the BSD 2-Clause License and targets 1.20.5 – 1.21.4 on Fabric, Forge, NeoForge and Quilt. Survival Island is server-side only, open source under the GNU Lesser General Public License v3.0 only, and covers 1.19.2 – 1.21.1 on Fabric, Forge and NeoForge.

ModLoadersGame versionsEnvironmentUpdated
Diabolical IslandsFabric, Forge, NeoForge and Quilt1.20 – 1.21.11Server required, client optional2026-02-13
Floating Island For SurvivalFabric, Forge, NeoForge and Quilt1.20.5 – 1.21.4Server required, client optional2024-12-08
Survival IslandFabric, Forge and NeoForge1.19.2 – 1.21.1Server-side only2025-09-10

Questions

Does Diabolical Islands need a mod loader?

It is published for Fabric, Forge, NeoForge and Quilt, and it also runs as a data pack on server platforms.

Which side does Diabolical Islands need?

Only the server has to run it; players may leave it out, and joining clients need nothing extra.

In the catalog

Diabolical Islands is one of 7,555 Cursed mods on ModsFinder, and one of 4,235 Cursed mods for Fabric. 19,862 mods support Minecraft 1.21.11.

Cursed mods7,555Fabric modsMods for 1.21.1119,862

More from Klinbee

All projects
X-Ray World Generation1.19 – 1.21.10No Caves1.18 – 26.1Aetherial Islands1.19 – 1.21.11One Survival Island1.19 – 26.1No Void Structures1.19 – 26.1Superflat Dimensions1.19 – 1.21.10

Similar mods

Load My F***ing Tags1.17.1 – 1.21.11Philips Ruins1.18.2 – 1.21.11Embeddium (Rubidium) Extra1.16 – 1.21.1From The Fog1.19 – 26.2BetterEnd Crashed Ships Tweaks1.20.1 – 1.21.1BetterHurtCamb1.7.3 – 26.3

What the author says

The sister-pack to Aetherial Islands, this world generation datapack changes the Nether to be composed of the same wonderful floating island generation found in Aetherial Islands, but this time in the Nether above a vast sea of lava! With this datapack, you'll be able to experience soaring islands, flat plains and…
Klinbee, on the Modrinth page

Official listing

Owner
Klinbee
Published
2024-04-27
Updated on Modrinth
2026-02-13
Facts verified
2026-10-15

Tags

AdventureCursedWorld generation
Open on ModrinthCompare