Books

Books and free Unity e-books worth reading, with the guides in the library that cover the same topics.

Shaders & VFX

Unity 6 Shaders and Effects Cookbook
John P. Doran. You want recipe-style Shader Graph and visual effects examples written for Unity 6.
Building Quality Shaders for Unity
Daniel Ilett. You want a structured path from HLSL shader code to Shader Graph, across the built-in, URP and HDRP pipelines.
Beginner's Guide to Unity Shader Graph
Álvaro Alda. You are new to shaders and want twelve worked Shader Graph effects, from scan lines to water.
Create popular shaders and visual effects with the Universal Render Pipeline
Unity · Free. Toon and outline shaders in Shader Graph, plus X-ray style effects with stencils.
Introduction to the Universal Render Pipeline for advanced Unity creators
Unity · Free. Setting up URP, quality settings, Adaptive Probe Volumes and custom HLSL shaders.
The definitive guide to creating advanced visual effects in Unity
Unity · Free. Building real-time effects with the VFX Graph and its related tools.

Unity 6 Game Development with C# Scripting
Lem Apperson. You want to learn Unity scripting in C# by building complete game projects.
Learning C# by Developing Games with Unity 6
Harrison Ferrone. You are new to C# and want to learn it while building a first-person prototype.
Create modular game architecture in Unity with ScriptableObjects
Unity · Free. Structuring a project with ScriptableObjects, with a companion demo project.
Level up your code with design patterns and SOLID
Unity · Free. SOLID principles and common game patterns such as Factory, Observer, Singleton and Object Pooling, with a sample project.
Use a C# style guide for clean and scalable game code
Unity · Free. Naming, formatting and commenting conventions for a shared Unity codebase.
Learning Design Patterns with Unity
Harrison Ferrone. You want to apply Singleton, Observer, Factory, Visitor, Decorator and other patterns in Unity projects without over-engineering.

UI Toolkit for advanced Unity developers
Unity · Free. Scalable, performant UI with examples from the official UI Toolkit samples.

Introduction to DOTS for advanced Unity developers
Unity · Free. Data-oriented programming, and how to tell whether DOTS suits your project.

The ultimate guide to multiplayer networking for advanced Unity developers
Unity · Free. Core multiplayer concepts and networking models, with an example using Netcode for GameObjects.

Optimize your game performance for mobile, XR, and Web in Unity
Unity · Free. Performance tips for mobile, XR and Unity Web projects.
Optimize your game performance for consoles and PCs in Unity
Unity · Free. Performance tips for PC and console projects.
Ultimate guide to profiling Unity games
Unity · Free. Profiling workflows, memory management and power optimization with Unity's tools.
Unity Game Optimization, Third Edition
Davide Aversa and Chris Dickinson. You want a systematic guide to finding and fixing performance problems in scripting, rendering, memory and physics.
High Performance Unity Game Development
Nitzan Wilnai. You want to architect a Unity game around data-oriented design for high frame rates without relying on an ECS framework.

Best practices for project organization and version control
Unity · Free. Version control concepts, a comparison of common systems and Unity's DevOps tools.

Game Programming Patterns
Robert Nystrom · Free. You want the patterns behind game code (state machines, observers, object pools, game loops) explained with clear examples. Free to read online.
Game Engine Architecture, Third Edition
Jason Gregory. You want to understand how a whole engine fits together: memory, rendering, animation, physics, concurrency. Written by a Naughty Dog engineer.
Game Coding Complete, Fourth Edition
Mike McShaffry and David Graham. You want a start-to-finish tour of what goes into shipping a game: architecture, resources, input, audio, AI, debugging.