Unity Engine: 2D & 3D Development Platform | Unity

Game Development for Total Beginners - Free Unity Course

Unity Simple Object Pooling Tool by DangryGames

Unity now has in-built object pooling. I think it's pretty damn good!

Object pooling - Activating a game object is so slow it's not that much better than Instantiating

Best Unity Tutorials: Beginner’s Guides On How To Make A Game - GameDev Academy

Create with VR