Version 1.1.1 for minecraft 1.20.1 is a release file of the Minecraft mod Gwen's Superflat Survival Plus for NeoForge, Forge, made for Minecraft 1.20.1. It was published on December 12, 2023 and is 18.3 MB in size. For the full description, screenshots and every other version, visit the Gwen's Superflat Survival Plus mod page.
How to install: Put the .jar into the mods folder (.minecraft/mods) and start Minecraft with the matching mod loader profile.