World Expand
by pesik_pos
World Expand is a NeoForge survival progression mod for 1.21.1 that grows the world border through advancements, adds unrestricted trident flight and includes a block-logging brush.
What it does
Each advancement a player completes extends the world border by a default of 50 blocks. The increment can be changed at any time with the worldexpand set command, and the value is saved per world, so a server can tune how fast its border grows.
Holding a Riptide trident in the main hand and a Flight Totem in the off-hand lets a player launch into the air and dry out while flying. Dash velocity rises with Riptide II and III, which makes the trident a travel tool as well as a weapon. The mod is client and server, so the server and every player need it.
Three tools support survival play. A totem perk deals double trident damage while the totem is equipped, a crafted item set adds netherite scrap, feathers, golden apples, totems of undying, wind charges and a water bucket, and a block-tracking brush reports the last block broken at a spot or who interacted with an inspected block. The mod depends on no other mod and is published under the MIT License, although it is not open source.
Key features
Border growth advancements
Completing an advancement moves the world border outward, so exploration is tied to progress through the game.
Trident flight
A Riptide trident and a Flight Totem in the off-hand let a player launch into the air, with dash strength tied to Riptide level.
Totem combat perk
While a totem is equipped, trident attacks deal twice the normal damage.
Block-tracking brush
A right-click on a block reports the last block broken there, and a right-click on a player shows who interacted with the inspected block.
Gallery
Compatibility
Latest build for each game version and loader.
Only full game releases are shown. This mod publishes no snapshot builds.
Use cases
Who it’s for: Survival players and server owners who want border growth tied to advancements, plus trident flight and a block-logging tool, on NeoForge 1.21.1.
How it compares
Dynamic Border is a server-side only NeoForge mod released under All rights reserved, with files for 1.21.10, so it does not cover this version. Crafting Trident and Crafting Totem of Undying are both server-side only, closed-license NeoForge mods for 1.21.4, and they add crafting recipes rather than flight or a block-logging brush. More Achievements Mod is a client-side only NeoForge mod under the MIT License for 1.21.8 – 1.21.11.
| Mod | Loaders | Game versions | Environment | Updated |
|---|---|---|---|---|
| World Expand | NeoForge | 1.21.1 | Client and server | 2026-07-31 |
| Dynamic Border | NeoForge | 1.21.10 | Server-side only | 2025-11-18 |
| Crafting Trident | NeoForge | 1.21.4 | Server-side only | 2025-07-20 |
| Crafting Totem of Undying | NeoForge | 1.21.4 | Server-side only | 2025-07-20 |
| More Achievements Mod | NeoForge | 1.21.8 – 1.21.11 | Client-side only | 2026-01-21 |
Questions
Does World Expand need another mod to run?
Does the server need World Expand?
Can the border growth be changed?
In the catalog
World Expand is one of 2,135 Minigame mods on ModsFinder, and one of 712 Minigame mods for NeoForge. 32,366 mods support Minecraft 1.21.1.
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What the author says
World Expand is a lightweight survival progression mod for NeoForge 1.21.1 that introduces three unique mechanics to overhaul your survival or SMP experience: advancement-based world growth, unrestricted trident flight, and a built-in block logging tool. World Expand — это лёгкий мод на прогрессию для NeoForge…
Official listing
- Modrinth page
- modrinth.com/mod/world-expand
- Owner
- pesik_pos
- Published
- 2026-07-20
- Updated on Modrinth
- 2026-07-31
- Facts verified
- 2026-10-15