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Gateway Gun

by Entropy159

Gateway Gun is a Fabric handheld item that places two linked portal gateways on supported blocks, and it is rebranded from the Immersive Portal Gun mod.

FabricClient and serverMIT LicenseOpen source1.20.4 – 1.21.1

What it does

A player aims the Gateway Gun at a surface and fires to place a pair of gateways. Each gateway is stored with a Gateway Code, a number that identifies the link, and gateways sharing the same code overwrite each other's link. The gun is crafted from a heart item that holds the data needed to create gateways, and its colors can be set with hex values such as ffffff or ffd700. Allowed blocks are listed in the config, and empty solid blocks count as valid. Gateways can transform gravity, and they can grab entities depending on settings that control size, placed side and whether one or both sides are placed.

The Gategrid, called the Entropy Corps Quantum Gateway Control Grid, is a separate block for redstone automation. It accepts a Gateway Core, and a redstone signal can place the core on a chosen gateway side, defaulting to the second side or none. The gun is the Entropy Corps Handheld Quantum Gateway Gun, and its recipe is shapeless. Gravity transform support requires a separate gravity library, which must be installed alongside the mod.

Key features

  1. Gateway placement

    The gun places two linked gateways, with size and placed side set by the config.

  2. Gateway Code linking

    A numeric code joins gateways into a pair, and reusing a code replaces the earlier link.

  3. Entity pickup

    Gateways can grab entities, and this behavior can be turned on or off.

  4. Allowed block list

    A config list sets which blocks gateways can be placed on, and a view command shows the current list.

  5. Gategrid redstone control

    A block accepts a Gateway Core and places gateways from redstone signals on a chosen side.

Compatibility

Latest build for each game version and loader.

1.21.12.0.1
1.20.41.1.0
ReleaseBetaAlphaNot available

Only full game releases are shown. This mod publishes no snapshot builds.

Requirements

Dependencies declared by the latest file for each loader.

Required 4

Immersive PortalsSee through portals and teleport seamlessly
Required
Mod MenuAdds a mod menu to view the list of mods you have installed.
Required
Fabric APILightweight and modular API providing common hooks and intercompatibility measures utilized by mods using the Fabric toolchain.
Required
Cloth Config APIConfiguration Library for Minecraft Mods
Required

Embedded 1

GeckolibA 3D animation library for entities, blocks, items, armor, and more!
Embedded

Use cases

Who it’s for: Players who want portal travel with a Fabric handheld item and redstone-driven gateway control, and server owners who configure allowed blocks and entity pickup.

How it compares

Full comparison

Immersive Portal Gun is a Fabric mod for 1.19.4 – 1.20.4, open source under the MIT License, and Gateway Gun is its rebranded successor. Custom Gateways runs on Fabric and NeoForge for 1.21.1, is open source under the MIT License and uses the same client and server environment. Immersive Guns is open source under the GNU General Public License v3.0 only, for 1.20.1 and client and server environment.

ModLoadersGame versionsEnvironmentUpdated
Gateway GunFabric1.20.4 – 1.21.1Client and server2026-09-08
Immersive Portal GunFabric1.19.4 – 1.20.4Client and server2024-02-16
Custom GatewaysFabric and NeoForge1.21.1Client and server2026-09-02
Immersive GunsFabric1.20.1Client and server2024-07-09

Questions

Does Gateway Gun need Immersive Portals?

Yes. Immersive Portals is a required dependency, along with Cloth Config API, Fabric API and Mod Menu.

Does Gateway Gun have to be installed on the server?

Servers that run it need every player to install it too.

Which game versions does Gateway Gun support?

Files exist for 1.20.4 and 1.21.1, and the latest Fabric file is 2.0.1 for 1.21.1.

Does gravity transform need an extra library?

Yes. Gravity transform only works when a separate gravity library is installed alongside the mod.

In the catalog

Gateway Gun is one of 3,932 Transportation mods on ModsFinder, and one of 2,390 Transportation mods for Fabric. 32,366 mods support Minecraft 1.21.1.

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What the author says

An edit of the Immersive Portal Gun mod with lots of new features and a rebranding! The heart of the mod, it is a basic item that contains all the data needed to create Gateways. The data that the core stores is as follows: - Gateway Code: A number that identifies which Gateways will link. Gateways with the same…
Entropy159, on the Modrinth page

Official listing

Owner
Entropy159
Published
2024-09-17
Updated on Modrinth
2026-09-08
Facts verified
2026-10-15

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