Blog - Jettelly | Resources for Game Devs

A free skybox pack for your personal and commercial projects! 6 skyboxes in total, CC0 license.

Why Spritesheets Still Matter in 2025?

🎁 Download our free CC0 spritesheet pack 🎁 Explosions, lightning, smoke, confetti, and slashes ready to use —no restrictions, no attribution required!

Making Unity work for you!

With the release of the first three chapters of Unity 6 Editor Tools Essentials, the author Harrison Ferrone shares some words on his inspiration, and why you should dig deep into the EditorTools API!

Unity

Editor Tools

GameDev

Jettelly Publishing Structure!

Yes! We Sell Books by Chapter—But How Does It Work?

Game News

Production

The Unity Shaders Bible Master Course

This 2025, we are creating The Unity Shaders Bible Master Course, a project that will combine both a video course and a book. The new book will include everything from the current version but with improved explanations and practical production cases to make learning even more effective.

Visualizing Equations Vol. 2 – Final Digital Update & Limited Print Run

Adding Chapter 5: "3D Shapes and Rendering", the full version of the book will soon be available, with a limited printed run to follow!

New Author update!!!

We’re thrilled to announce that we are testing a few new book concepts with Joseph Hocking.

Learn how to create a Dice effect in Godot

Discover a dice effect shader for Godot, crafted by Fabrizio Espindola using advanced techniques like Fresnel, Matcap, and Ray Marching in GLSL. This dynamic, realistic shader is part of his work for the upcoming Godot Shaders Bible Bundle. Download it free under [CC BY-NC 4.0]!

Godot

Shaders

Procedural Art

Visualizing Equations: Procedural Eye Potion 2D

With the power of math, create a magical, animated potion effect in 2D!

Unity

Desmos

Procedural Art

Creating a Mario Kart-style Item Box in Godot

We'll guide you through the process of creating a Mario Kart-style item box shader in Godot.

Godot

Vfx

Shaders

Creating a Super Mario World-like Platform Mask in Unity

Sprite Masks on 3D Quads? Not quite, but with the power of shaders, you can create a similar effect!

Unity

Super Mario

Shaders

Understanding Unity Shader Structure

Shader Graph is great for multi-platform games, but for advanced control and efficiency, learning HLSL and ShaderLab is key. Explore these techniques in depth with the Unity Shaders Bible!

Creating a simple Blur UI Shader in Unity

This tutorial will guide you through the process of creating a UI blur in Unity using Shader Graph, a node-based shader creation tool.

Unity

Shader Graph

Shaders

Image testing

Image from local

variant image from local

Image from amazon

variant image from amazon

just_format_variant_to_use image from amazon