Learn how to create tilemaps in Unity for easy 2D environment design in this comprehensive 28-minute tutorial. Master the creation of sprite sheets, import them into Unity, and slice them into tiles. Discover the process of creating tilemaps and tile palettes, and learn essential techniques to avoid common issues like the "pink tile error" and gaps between tiles. Explore the creation of a Tile Atlas and gain valuable insights into properly updating tiles for seamless 2D game development.