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Head-to-head · Minecraft World Generation Mods

Regions Unexplored vs Tellus

  • Updated Oct 2026
  • Both researched from official sources
  • 4 checks side by side
Higher score Regions Unexplored #6 in Minecraft World Generation Mods 8.3/10 Free plan Free plan✓ 3 of 3 features Visit site
Tellus #7 in Minecraft World Generation Mods 8.2/10 Free plan Free plan✓ 1 of 3 features Visit Tellus

Regions Unexplored leads on 2 checks, Tellus on 0, and 2 are even. Who comes out ahead on the 4 yes/no, price and count checks where we have data for both products. The editor score weighs everything else too.

Our verdict

  • Highest scoreRegions Unexplored · 8.3/10
  • Free planboth
  • Most featuresRegions Unexplored · 3 of 3

Regions Unexplored scores higher on our rubric for minecraft world generation mods: 8.3 against 8.2 out of 10; our editors rank them #6 and #7.

On world coverage, Regions Unexplored gives you Multiple where Tellus offers Overworld. Regions Unexplored offers adds biomes; Tellus doesn't. Regions Unexplored offers dimension generation; Tellus doesn't.

Regions Unexplored is the better fit for players wanting Overworld and Nether biomes. Tellus is the better fit for players seeking Earth-inspired worlds.

  • Regions Unexplored fits best

    Players wanting Overworld and Nether biomes

  • Tellus fits best

    Players seeking Earth-inspired worlds

Advertiser disclosure: iTechGuides is reader-supported. Vendors can pay for top positions in our rankings and for a place on other products' pages, and we may earn a commission when you click some links. How we rank.

Side by side

Feature Regions Unexplored 8.3/10 Visit ↗ Tellus 8.2/10 Visit ↗
At a glance
Editor score 8.3 8.2
Ranking #6 in Minecraft World Generation Mods #7 in Minecraft World Generation Mods
Best for Players wanting Overworld and Nether biomes Players seeking Earth-inspired worlds
Pricing model Free Free
Starting price Free plan Free plan
Free plan ✓ ✓
Free trial — —
Deployment Self-hosted Self-hosted
Support Community Community
Features Regions Unexplored 3/3 · Tellus 1/3
Adds biomes ✓ (best) —
Terrain customization ✓ ✓
Dimension generation ✓ (best) —
Specs
Minecraft versions 26.1.x, 1.21–1.21.1, 1.20.4, 1.20–1.20.2, 1.19.4, 1.19.2, 1.18.2 26.2, 26.1.2, 1.21.11, 1.21.1, 1.20.1
Mod loaders Fabric, Forge, NeoForge, Quilt Fabric, Forge, NeoForge
World coverage Multiple Overworld
Our review
Pros
  • Adds biomes and changes world generation in the Overworld and Nether
  • Supports Fabric, Forge, NeoForge, and Quilt
  • Works in client and server environments
  • Builds terrain from geographic elevation data and OpenStreetMap features
  • Offers a map picker plus previews and adjustable terrain settings
  • Supports Fabric, Forge and NeoForge, with Distant Horizons and Voxy integration
Cons
  • Requires a self-hosted Minecraft Java setup
  • Adds content to the Overworld and Nether, not a wider set of dimensions
  • Community support may not suit players seeking direct support
  • Requires an internet connection to retrieve geographic data
  • Survival features are incomplete; the project recommends exploration and testing
  • Official server support is not yet available, and worlds should start in singleplayer
Our verdict

Regions Unexplored is a free Minecraft Java Edition mod that adds biomes and changes world generation in the Overworld and Nether. It is aimed at players who want those dimensions to feel different through added environments, blocks, and…

Read the review →

Tellus is a free Minecraft Java Edition world-generation mod for players who want to explore landscapes shaped by real-world geography. It uses elevation data to generate Earth-scale terrain, draws roads and buildings from OpenStreetMap,…

Read the review →
  1. Regions UnexploredMinecraft World Generation Mods 8.3Free plan
  2. TellusMinecraft World Generation Mods 8.2Free plan

Strengths and trade-offs

  • Regions Unexplored — where it wins

    • Adds biomes and changes world generation in the Overworld and Nether
    • Supports Fabric, Forge, NeoForge, and Quilt
    • Works in client and server environments

    Where it doesn't

    • Requires a self-hosted Minecraft Java setup
    • Adds content to the Overworld and Nether, not a wider set of dimensions
    • Community support may not suit players seeking direct support

  • Tellus — where it wins

    • Builds terrain from geographic elevation data and OpenStreetMap features
    • Offers a map picker plus previews and adjustable terrain settings
    • Supports Fabric, Forge and NeoForge, with Distant Horizons and Voxy integration

    Where it doesn't

    • Requires an internet connection to retrieve geographic data
    • Survival features are incomplete; the project recommends exploration and testing
    • Official server support is not yet available, and worlds should start in singleplayer
  • Regions Unexplored8.3/10 · Free plan

    A free world-generation mod for players who want biomes in both dimensions.

    Visit siteFull verdict →
  • Tellus8.2/10 · Free plan

    A free Java Edition mod for exploring Earth-inspired terrain, roads and climate-matched biomes.

    Visit TellusFull verdict →

More comparisons

All minecraft world generation mods comparisons → · Full ranking →

Reviewed by iTechGuides Editors · Editorial team · Updated Oct 2026

Last updated · How we research and update