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ATM9 is a heavy modpack. Start with 10–12GB RAM for small groups and use 14–16GB for 5+ players or automation-heavy worlds. Larger or long-running worlds may need more.
All the Mods 9 (ATM9)
All the Mods 9 (ATM9) Modpack is made for big modded gameplay with lots of content, quests, and serious late-game progression.
Version:
1.20.1
Categories:
Forge
Requirements
12 GB
Recommended RAM
1.21.1
Minecraft version
NeoForge
Modloader
Java 17
Java version
Modpack Overview
All the Mods 9 (ATM9) is a large “kitchen sink” modpack for Minecraft 1.20.1 on Forge, built for long-running co-op worlds. It packs 400+ mods, countless quests, and a proper endgame—can you craft the ATM Star, and do you dare take on the Gregstar?
Quick facts
- Minecraft: 1.20.1
- Mod loader: Forge
- Scale: 400+ mods • quest-heavy • endgame
- Playstyles: Tech • Magic • Building • Exploration
- Endgame goals: ATM Star • Gregstar
What gameplay feels like
- Quest-guided progression: follow the quest book to move from early survival into power, storage, and automation.
- Scale your base: build farms and factories that grow with your world and player count.
- Explore for progression: structures, dimensions, and loot stay relevant as you push deeper into the pack.
- Real endgame: long crafting chains lead to the ATM Star and Gregstar milestones.
What makes ATM9 different
- A “best-of” mix: big-name staples plus newer/lesser-known mods, without forcing one “correct” route.
- Built for stability: the pack focuses on being playable for long worlds while still adding depth and variety.
- Designed for SMPs: players can specialize (tech/magic/build/explore) while sharing one roadmap through quests.
If you want a modded server that stays engaging for weeks (or months), ATM9 is built for long progression rather than a quick weekend run.
Step 1
Choose Modpack
Choose from our curated modpacks - tech, magic, or both. Each pack comes preconfigured with the most popular mods, so you can skip the setup and jump straight into gameplay.
Step 2
Deploy Server
Launch your server with one click on our high-performance infrastructure. We handle CPU, RAM, and storage setup, so your world is ready in under a minute — no manual steps needed.
Step 3
Customize Settings
Adjust RAM, mod settings, difficulty, and permissions—our intuitive panel lets you fine-tune your server to fit your community.
Step 4
Invite Friends
Share your unique server address or send instant invites via email and Discord. Control access with VIP roles, mod rights, or keep it private — only the players you choose can join.
Step 5
Enjoy Play
Jump into your custom world with zero lag and automatic backups. With 99.9% uptime, you’re free to build, quest, and battle without interruptions.
FAQ
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What are the requirements to host an ATM9 server?
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Which Minecraft version and mod loader does ATM9 use?
ATM9 runs on Minecraft 1.20.1 and requires the Forge mod loader.
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Which Java version is required for ATM9?
Use Java 17 or newer. Using the wrong Java version is a common cause of launch errors and crashes.
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Do players need to install ATM9 to join the server?
Yes. Every player must install the same ATM9 client modpack version as the server, otherwise they’ll get mismatched mods / connection errors.
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How do I update ATM9 safely?
Use this flow: backup → update the server pack → update all clients to the same version → test login before opening the server to everyone.
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What are the ATM Star and Gregstar?
They’re the main endgame milestones in ATM9 - the ATM Star is the big endgame craft, and Gregstar is an even higher-end progression goal.
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How do players install ATM9 on PC?
Install ATM9 through a launcher that supports the pack (e.g., CurseForge), then make sure the exact modpack version matches the server before joining.
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I can’t join (mismatched mods / missing mods). What should I do?
Match Minecraft 1.20.1, Forge, and the ATM9 modpack version exactly. If the server updated, all players must update too.
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Is ATM9 stable or frequently updated?
ATM9 is actively maintained. For long-running servers, it’s best to pin a stable pack version and update intentionally (not automatically).
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My server is lagging, what are the biggest fixes?
Most lag comes from chunk generation, entity buildup, and heavy automation. Start with enough RAM headroom, keep view distance reasonable, and reduce excessive mobs/items/machines; for long-term servers, consider pre-generating chunks.