FSG Mod
by DuncanRuns
FSG Mod lets Fabric players install speedrun seed filters and run them against worlds on their own machine, for competitive speedrunning of Minecraft Java Edition 1.15.2 and 1.16.1.
What it does
Speedrunners use FSG Mod to load filtered seeds, which are worlds generated with a filter that selects only seeds meeting the filter's conditions. Filters can be installed locally from the mod's selection menu: press the Install Filter Locally button, choose a filter and fetch it. The config screen can uninstall a filter, configure it, or open the folder where it is installed. For 1.15.2 only locally installed filters are supported.
The mod is intended for competitive speedrunners and requires Fabric API. It is client-side only, so servers do not need it. FSG Mod works with the SeedQueue mod, which generates worlds in the background, and both mods must be installed together. The source code and issue tracker are public, and the project is open source under the MIT License, with files for 1.15.2 and 1.16.1.
Key features
Speedrun seed filters
Filters select seeds that meet set conditions, so runs begin in worlds chosen for the route.
Local filter installation
A selection menu fetches and installs a filter to the local game folder with a single button press.
Filter management
The config screen uninstalls, configures or opens the folder of each installed filter.
SeedQueue integration
Filters run in parallel with SeedQueue, up to the limit set by its Max Generating Seeds Wall setting.
Background filtering
A background filtering command starts the process as soon as a world finishes loading, while the next run is prepared.
Compatibility
Latest build for each game version and loader.
Only full game releases are shown. This mod publishes no snapshot builds.
Use cases
Competitive speedrun practice
Runners load filtered seeds so each attempt begins in a world selected for its route.
Who it’s for: Competitive Minecraft speedrunners on Fabric who want to play filtered seeds on their own machine. Players who do not run speedruns have no use for the seed filters.
How it compares
Seed Finder Mod is a Fabric option for 1.19.2 – 1.20.1 and is client-side only, under the MIT License, so it covers a different version range. Fake random seed is a Fabric mod for 1.21.4 – 1.21.10 that needs both the client and the server, under the GNU General Public License v3.0 only. FSG Mod is limited to 1.15.2 and 1.16.1 and is client-side only.
| Mod | Loaders | Game versions | Environment | Updated |
|---|---|---|---|---|
| FSG Mod | Fabric | 1.15.2 – 1.16.1 | Client-side only | 2026-01-22 |
| Seed Finder Mod | Fabric | 1.19.2 – 1.20.1 | Client-side only | 2023-06-23 |
| Fake random seed | Fabric | 1.21.4 – 1.21.10 | Client and server | 2025-10-12 |
Questions
Does FSG Mod require Fabric API?
Can FSG Mod run without SeedQueue?
Which Minecraft versions does FSG Mod support?
In the catalog
FSG Mod is one of 8,515 World generation mods on ModsFinder, and one of 4,027 World generation mods for Fabric. 1,895 mods support Minecraft 1.16.1.
More from DuncanRuns
Similar mods
What the author says
This mod, intended for competitive speedrunners, lets players play seeds generated by a seed filter. (FSG = Filtered Seed Glitchless) This mod requires atum, which should be obtained from mods.tildejustin.dev.
Official listing
- Modrinth page
- modrinth.com/mod/fsg-mod
- Owner
- DuncanRuns
- Published
- 2024-07-12
- Updated on Modrinth
- 2026-01-22
- Facts verified
- 2026-10-15