Keystone Expansion Pufferfish's Skills
🟡 Updated this year⚠️ Install Order · 2 steps
Install in this order, then this mod last — most mods fail to load without their framework and dependencies in place.
🖼️ Gallery (8 images)
🔍 Analysis
- 👍 0.1% endorsement rate
- 🏆 #186 of 581 adventure mods in this game by downloads
📋 About This Mod
## Keystone Expansion — MMORPG Skill Trees Addon **Keystone Expansion** is an **MMORPG-inspired skill tree expansion** for **Puffish Skills**, built to add **long-term progression**, **build variety**, and satisfying **endgame power** to survival modpacks. This project adds multiple custom categories with large, interconnected trees and meaningful upgrades (health, resistance, stamina, luck, XP gain, mobility, damage, and more). The goal is a “hack & slash / MMO” progression feeling: early upgrades are subtle, but the more you invest, the more your character becomes noticeably stronger. ### Main Features - **8 progression categories**: - Combat - Mining - Exploration / Mobility - Farming - Crafting / Artisan - Building / Architecture - Magic / Alchemy / Enchant - Taming / Companions - **MMO-style scaling**: long-term leveling curves, endgame milestones and **keystones** - **Synergy-focused trees**: multiple paths and playstyles (tank, mobility, sustain, luck/XP, etc.) - **Addon-friendly**: made to be used inside modpacks and servers ### Required Dependencies **This addon will NOT work without the following required mods installed:** - **(https://www.curseforge.com/minecraft/mc-mods/puffish-skills)** (Required) - **(https://www.curseforge.com/minecraft/mc-mods/puffish-attributes)** (Required) ### Compatibility - Designed for **Forge / Fabric / NeoForge** - Works as an addon for modpacks / servers using Puffish Skills ### Notes - This project does not replace Puffish Skills — it **extends it** with additional categories and custom trees. - Balancing can vary depending on your modpack difficulty and progression speed. *Enjoy the grind — and the dopamine when your build finally pops off.*
## Keystone Expansion — MMORPG Skill Trees Addon
Keystone Expansion is an MMORPG-inspired skill tree expansion for Puffish Skills, built to add long-term progression, build variety, and satisfying endgame power to survival modpacks.
This project adds multiple custom categories with large, interconnected trees and meaningful upgrades (health, resistance, stamina, luck, XP gain, mobility, damage, and more). The goal is a “hack & slash / MMO” progression feeling: early upgrades are subtle, but the more you invest, the more your character becomes noticeably stronger.
### Main Features
- 8 progression categories:
- - Combat
- - Mining
- - Exploration / Mobility
- - Farming
- - Crafting / Artisan
- - Building / Architecture
- - Magic / Alchemy / Enchant
- - Taming / Companions
- MMO-style scaling: long-term leveling curves, endgame milestones and keystones
- Synergy-focused trees: multiple paths and playstyles (tank, mobility, sustain, luck/XP, etc.)
- Addon-friendly: made to be used inside modpacks and servers
### Required Dependencies
This addon will NOT work without the following required mods installed:
- (https://www.curseforge.com/minecraft/mc-mods/puffish-skills)** (Required)
- (https://www.curseforge.com/minecraft/mc-mods/puffish-attributes)** (Required)
### Compatibility
- Designed for Forge / Fabric / NeoForge
- Works as an addon for modpacks / servers using Puffish Skills
- This project does not replace Puffish Skills — it extends it with additional categories and custom trees.
- Balancing can vary depending on your modpack difficulty and progression speed.
Enjoy the grind — and the dopamine when your build finally pops off.
📊 Mod Details
- Game
- Minecraft Mods
- Author
- Courone_mc
- Version
- 1.1.9
- Downloads
- 5,338
- Endorsements
- 8
- Category
- adventure
- Created
- 1/7/2026
- Updated
- 1/20/2026
- Game Versions
- 1.21.11
- Tags
- adventure, game-mechanics, library
🔧 How to Install Minecraft Mods Mods
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❓ Frequently Asked Questions
Which Minecraft Mods versions does Keystone Expansion Pufferfish's Skills support?
The author lists 1.21.11. Other versions may work but are untested by the author.
What is the latest version of Keystone Expansion Pufferfish's Skills?
Version 1.1.9, published 2026-01-20 with 5,338 downloads recorded at the source.
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