
RTA MODPACKS - Speedrun Optimization Pack (Minecraft 1.16.5)
Overview
This modpack is designed for Minecraft speedrunners (RTA/IGT).
It includes essential tools for practice and optimization, such as Atum, WorldPreview, speedrunIGT, and performance optimization mods sourced from Modrinth.
All mods are pre-configured to make setup quick and easy.
This modpack is for Minecraft 1.16.5 only.
Features
- Speedrun-focused setup for practice runs
- In-Game Timer (IGT) support for accurate timing
- World preview functionality
- Auto reset feature via Atum
- Performance optimization mods included
Recommended Settings
Recommended seed: 8398967436125155523
- Use Atum’s auto reset feature for faster practice.
- Some newer or unrelated seeds may not work properly in 1.16.5
How to Use
All mods are automatically installed and configured.
However, you need to set up Atum’s auto reset seed before starting.
Just download this modpack and start Minecraft.
Notes
- This modpack is intended for practice and optimization purposes.
- It may not be suitable for official leaderboard submissions depending on rules and verification requirements.
- Edition: Minecraft Java
- File type: .jar
- Minecraft version listed: 1.16.5
- 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 Modrinth — 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.
- Downloads as for real time attack 1.0.0.mrpack
- Download size: 3 KB
- Download link checked 23 Aug 2026 — working
These come from our own check of the pack file, not from the source page.