R2API_Rulebook

⭐ — (5 endorsements) 📥 883,897 downloads 📌 v1.0.1 📅 1/4/2023
⚪ Last updated 2023

By RiskofThunder · Libraries

⬇ Download Mod Source: Thunderstore ↗ 📅 Updated: 6/3/2023 📅 Created: 1/4/2023
⚠️ Install Order · 1 step
1📦 R2API Find it →

Install in this order, then this mod last — most mods fail to load without their framework and dependencies in place.

🔍 Analysis

  • 👍 0.0% endorsement rate
  • 🏆 #19 of 62 Libraries mods in this game by downloads

📋 About This Mod

API for registering rules to the Rule Catalog

🤖 AI-enhanced — based on mod data

R2API_Rulebook is a library submodule for R2API that helps mod creators manage custom rules in Risk of Rain 2's RuleDef system, which controls artifact, expansion, and difficulty selection in the lobby. It adds ExtendedRuleChoiceDef for multiple requirements and supports creating new rule categories. With 5 endorsements and 883,897 downloads, it's a niche but widely used tool for modders.

✨ Key Features

Adds custom RuleDefs to existing or new RuleCategoryDefs from code.
Introduces ExtendedRuleChoiceDef for specifying multiple requirements for rule selection.
Simplifies interaction with the game's RuleDef system for mod creators.

📊 Pros & Cons

✅ Pros

  • Huge download count (883k) shows it's a standard part of many mod setups.
  • Solves a real problem for modders by allowing multiple requirements on rules.
  • Actively maintained by RiskofThunder, the team behind R2API.

⚠️ Cons

  • Very low endorsement count (5) compared to downloads, suggesting it's underappreciated or niche.
  • Requires R2API as a dependency, adding another layer to mod management.
  • No wiki page yet, so learning to use it may require digging into code.
🎯 Is This For You?
This is for mod developers creating Risk of Rain 2 mods that need custom rules for artifacts, expansions, or difficulties. If you're a player just looking for gameplay mods, you don't need this directly, but many mods depend on it. It's essential for anyone wanting to build complex rule interactions.
📦 Install:Easy· Under 1 minute

💡 Beginner Tips

  • If you're a modder, check the R2API wiki for examples on using ExtendedRuleChoiceDef.
  • Make sure R2API is updated to the latest version to avoid compatibility issues with this submodule.
  • For players, just install this mod if another mod requires it; it won't affect gameplay on its own.

📊 Mod Details

Game
Thunderstore Mods
Author
RiskofThunder
Version
1.0.1
Downloads
883,897
Endorsements
5
Category
Libraries
Created
1/4/2023
Updated
6/3/2023
Tags
Libraries

🔧 How to Install Thunderstore Mods

Use r2modman/Thunderstore Mod Manager. Or manual: install BepInEx, drop mods into plugins folder.

📖 Full step-by-step install guide for Thunderstore →

Visit the official mod page for specific installation instructions for this mod.

🎮 Need cheat codes or console commands? Check ur gaming wiki for Thunderstore commands, item IDs, and more.

Keep browsing — more Thunderstore mods await

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