🛡️ Adaptive Performance Tweaks: Player (11.x Classic)
ℹ️ APTweaks 11.x Classic Module
This module is part of the classic Adaptive Performance Tweaks 11.x module system. Existing 11.x modpacks can continue using it.
For new installations and future feature updates, use the new all-in-one version: Adaptive Performance Tweaks
⚠️ Do not install this module together with Adaptive Performance Tweaks 12.x or newer.

Server-side Forge module that smooths player login and offers optional child/novice player protection to reduce early damage spikes. Works standalone on the server; clients are optional.
Status ✅
Stable 11.x Classic / LTS module for existing Forge modpacks.
Critical fixes and compatibility updates may be provided when needed. New features, new loader support, and modern Minecraft version updates are developed in the new all-in-one Adaptive Performance Tweaks version.
Requirements 🧩
Requires Adaptive Performance Tweaks: Core
Features ✨
- Server-side only; clients do not need to install the mod.
- Pick only the modules you want; highly configurable via config files.
- No core/mixin patches → broad mod compatibility.
- Built-in debug info to see what the optimizer is doing.
⚠️ Always keep regular backups of your world.
Player optimizations 🛡️
- Login safety window to protect players until they can interact with the world.
- Optional child/novice player adjustments: reduce incoming damage and tweak outgoing attack power via config.
Bundled modules 📦
Want everything at once? Install the bundled version:
- Edition: Minecraft Java
- File type: .jar
- Minecraft versions listed: 1.21.1, 1.20.1, 1.19.2
- How to install: Install the matching mod loader (Forge, Fabric or NeoForge) for your Minecraft version. → Download the .jar. → Put it in the .minecraft/mods folder and launch that loader profile.
- Where to get it: Opens on CurseForge — not every file is mirrored on our own servers.
Install steps are the general flow for this file type — How to install Minecraft Java mods & modpacks walks through it step by step.
APTweaks: Player Login Optimization and Protection (11.x Classic) is a free Minecraft Java mod. Compatible with Minecraft 1.21.1, 1.20.1, 1.19.2, 1.18.2 and newer. Downloaded 3,849,337 times (via CurseForge). Download it and open it directly in the game.