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Wave Motion Gun : 波動砲

by kurosuke

Wave Motion Gun adds a multi-block weapon, a power-hungry cannon and a quiz-driven supply system to Forge, in a sci-fi setting inspired by space battleships.

ForgeClient and serverMIT LicenseOpen source1.18.2 – 1.20.1

What it does

The Wave Motion Gun is a large weapon built from several blocks that fires an energy beam able to pierce terrain and entities. Power has to come from outside the mod, so the Forge Energy output of Mekanism, Thermal Expansion or Immersive Engineering must feed the engine, and a weapon of this scale calls for a serious power plant. Because the beam can cause massive terrain destruction, backing up world data before firing near important structures is strongly advised.

The Shock Cannon is a turret-style weapon for base defense. It uses energy and runs on ammunition fired by a redstone signal, and it uses standard Type-3 Wave Motion Cartridge shells. Supplies come through a quiz-based system in which players call in airdrops from a Communication Beacon after correctly answering questions. The question set is built in, and an optional AI question generator can be enabled. That option sends requests to an external API such as Google Gemini or an OpenAI-compatible service and needs the server owner's own API key, which is stored only in the client config and never sent to the server. The mod also includes in-game manuals with multi-language support.

The mod is published for Forge and runs on client and server. Its files cover 1.18.2 and 1.20.1, with 1.1.0 for 1.20.1 as the latest file, released 2026-07-19. The code is open source under the MIT License, and the mod is an unofficial, non-commercial fan-made project.

Key features

  1. Multi-block Wave Motion Gun

    A large weapon built from several blocks fires an energy beam that penetrates terrain and entities.

  2. Wave Motion Engine

    The engine stores up to 150,000,000 FE and takes power at up to 150,000 FE per tick from an outside source.

  3. Shock Cannon turrets

    Turret-style cannons use energy and ammunition, and fire when a redstone signal reaches them.

  4. Quiz-based airdrops

    A Communication Beacon delivers supplies after players answer quizzes, with an optional AI question generator.

Compatibility

Latest build for each game version and loader.

1.20.11.1.0
1.18.21.1.0
ReleaseBetaAlphaNot available

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

How it compares

Full comparison

Multi-Function Trash Cannon is a Forge mod for 1.20.1 under the MIT License, and it runs on client and server. Programmer Gun is a Forge mod for 1.20.1 under All rights reserved, is not open source, and runs on client and server. Ray gun is a Forge mod for 1.20.1 under the Apache License 2.0, is not open source, and runs on client and server. Wave Motion Gun is also Forge and client and server, for 1.18.2 and 1.20.1, under the MIT License.

ModLoadersGame versionsEnvironmentUpdated
Wave Motion Gun : 波動砲Forge1.18.2 – 1.20.1Client and server2026-07-19
Multi-Function Trash CannonForge1.20.1Client and server2026-08-30
Programmer GunForge1.20.1Client and server2026-03-03
Ray gunForge1.20.1Client and server2024-04-09

Questions

Does Wave Motion Gun need an external power mod?

Yes. The mod does not generate power itself, so Forge Energy from Mekanism, Thermal Expansion or Immersive Engineering must be fed into the Wave Motion Engine.

Must the server have the mod installed?

Yes. Installation covers the server and each player's game.

Are AI-generated questions required?

No. A built-in question set is used unless the AI option is enabled, which then requires the owner's own API key for an external service.

In the catalog

Wave Motion Gun : 波動砲 is one of 8,499 Technology mods on ModsFinder, and one of 4,122 Technology mods for Forge. 34,764 mods support Minecraft 1.20.1.

Similar mods

What the author says

This mod introduces multi-block weapons inspired by sci-fi space battleships. This mod contains no power generation of its own. You must install a mod that can output Forge Energy (FE), and feed that FE into the Wave Motion Engine block. Without an FE source, the Wave Motion Gun can never be charged, and you will not…
kurosuke, on the Modrinth page

Official listing

Owner
kurosuke
Published
2026-07-19
Updated on Modrinth
2026-07-19
Facts verified
2026-10-15

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