I’ll be adding links to quality tutorials and great free assets. (Always doublecheck the license for permitted use)
You can post links in the comments to similar sites that you’ve found helpful.
Art Assets & Animations
Over 40,000 images, audio files and 3D models for you to use in your projects.
Glitch The Game
Over 10,000+ individual art assets & animations. The entire library of art assets from the game has been made freely available
Music & Sound Effects
Sonniss GameAudioGDC Bundle 2019
25GB+ of high-quality sound effects for use in your game development projects. Everything is royalty-free and commercially usable
– 2018 Bundle (30GB+)
– 2017 Bundle (20GB+)
– 2016 Bundle (16GB+)
A large collaborative database of Creative Commons Licensed sounds.
Thousands of free sound effects, sound clips, and straight up sounds.
Harvard CS50’s Introduction to Game Development
Free online course, Unity is covered in the last 3 lectures
Top-quality game development tutorials on everything from Unity and programming to game design
In-depth tutorials focused on game development with Unity & C# programming
Unity Tutorials teaching you all the necessary objectives to design your own games from scratch
Unity tutorials on RPG’s, MMORPG’s, and more
C# Tutorial – Full Course for Beginners
(Video) Excellent introductory course by Mike Dane
C# Fundamentals for Absolute Beginners
(Video) Microsoft Virtual Academy, 24 training episodes
C# Notes for Professionals
(PDF) A free 808 page PDF book containing containing code samples and details, compiled from Stack Overflow documentation.
Create your own videogame sounds. You have full rights to all sounds made with bfxr, and are free to use them for any purposes, commercial or otherwise.
Marketing & PR Tools
Send Steam keys to YouTube, Twitch and other broadcasters to help promote your game. Analytics help track your campaign and reach.