How do I install NoCubes Mod (1.21.1, 1.20.1) – A World with Rolling Hills?

Install the matching mod loader (Forge, Fabric or NeoForge) for your Minecraft version. Download the .jar. Put it in the .minecraft/mods folder and launch that loader profile. In MC Java Mods, or directly above on this page.

What Minecraft version does NoCubes Mod (1.21.1, 1.20.1) – A World with Rolling Hills work with?

The listing gives Minecraft 1.21.1, 1.20.1. This is the version stated by the author or source site, not something we verified ourselves.

Home›Java›Mods›NoCubes Mod (1.21.1, 1.20.1) – A World with Rolling Hills

ModsJava

NoCubes Mod (1.21.1, 1.20.1) – A World with Rolling Hills

by Moon

⬇ Download

Open in MC Java Mods Get it on Google Play →

NoCubes Mod transforms the blocky world of Minecraft into a smooth, rounded landscape. It replaces sharp cubes with rolling hills, circular caves, and flowing mountains, giving the game a completely new look. This mod is compatible with multiplayer, so you can explore the new scenery with friends. It also includes many options you can change to get the perfect experience.

No Cubes Mod

Features:

Replaces blocky terrain with smooth, rolling landscapes.
Generates circular caves and natural-looking mountain ranges.
Your own buildings and structures are not changed.
Play with friends in multiplayer worlds.
Includes many settings to customize the look of the world.
Optimized for good performance and does not lower your FPS.
Blocks look smooth but still function like normal square blocks.
Features accurate collision, so you can walk on slopes properly.
Makes trees and leaves appear more rounded.
Improves lighting and makes biome colors blend smoothly.
Works with other mods like OptiFine, Shaders, and BetterFoliage.

Bonus Fluid Rendering Fixes:

Adds smooth lighting effects to water and lava.
Makes fluid colors transition smoothly between different biomes.
Gives water and lava more natural-looking textures.
You can enable these fluid fixes separately, even without the smooth terrain.

How to Use:

With the Option GUI you manage No Cubes’ settings. You can open it by pressing “O”. Below are the available options listed:

No Cubes general: With this option you can toggle whether No Cubes should be enabled or disabled in it’s whole. This option can be useful on servers.
Auto step (disabled for now): By clicking this you can switch the ability to walk upon hills without jumping.

Screenshots:

No Cubes Mod Screenshots 3 — First person view of smooth rounded grass terrain in a forest biome

No Cubes Mod Screenshots 4 — A character stands on smooth rounded stone terrain near a blue river

No Cubes Mod Screenshots 5 — The NoCubes mod transforms blocky terrain into smooth and rounded cave walls

No Cubes Mod Screenshots 6 — A vast underground cavern features rounded stone surfaces and distant liquid flows

No Cubes Mod Screenshots 7 — A player looks at a tree trunk with smoothed terrain during sunset

No Cubes Mod Screenshots 8 — The No Cubes Mod transforms a blocky cave into a smooth landscape

No Cubes Mod Screenshots 9 — The NoCubes mod transforms a stone mountain into smooth rounded terrain

No Cubes Mod Screenshots 10 — A cow stands on a smooth snowy landscape with rounded terrain features

No Cubes Mod Screenshots 11 — The NoCubes mod transforms a cave into a smooth and rounded environment

No Cubes Mod Screenshots 12 — A zombie and skeleton stand in a cave with rounded stone walls

Smooth rounded sand dunes and green cacti in a desert landscape

Lush green forest with birch trees and purple flowers on rounded terrain

A scenic view of rounded hills and trees in a smoothed Minecraft world

A pig stands near a rounded cave entrance in a smooth terrain landscape

Lush green landscape with smooth rounded hills and a birch tree in Minecraft

Torches illuminate a smooth and rounded underground cave system in Minecraft

Tall dark trees standing on smooth rounded green terrain filled with lush ferns

Birch and oak trees scattered across smooth rolling green hills in a forest

Classic blocky Minecraft terrain featuring steep mountains and a blue river

Smooth and rounded terrain in Minecraft created by the NoCubes mod

NoCubes Mod Download Links

For Minecraft 1.12.2

For Minecraft 1.16.5

For Minecraft 1.18.1

For Minecraft 1.18.2

For Minecraft 1.19.2

For Minecraft 1.19.3

For Minecraft 1.19.4

For Minecraft 1.20.1, 1.20

For Minecraft 1.20.4

For Minecraft 1.21.1, 1.21

Quick facts

Edition: Minecraft Java
File type: .jar
Minecraft versions listed: 1.21.1, 1.20.1
How to install: Install the matching mod loader (Forge, Fabric or NeoForge) for your Minecraft version. → Download the .jar. → Put it in the .minecraft/mods folder and launch that loader profile.
Where to get it: In MC Java Mods, or directly above on this page.

Install steps are the general flow for this file type — How to install Minecraft Java mods & modpacks walks through it step by step.

Verified by MCModsHub

Ships as 200923.jar — drop this file into the mods folder
Download size: 564 KB
Download link checked 16 Jul 2026 — working
Mirrored on our own servers — the download does not depend on the original host

These come from our own check of the pack file, not from the source page.

Explore more

All Mods for Java All Minecraft Java mods Java mods for 1.21 Java mods for 1.20