Learn to create a 2D platformer game using Unity 4.3's powerful 2D tools in this 26-minute tutorial video. Set up a pixel art environment with advanced features like parallaxing for enhanced gameplay and graphics. Download the provided 2D Assets Pack to follow along. Explore techniques for implementing platforms, backgrounds, foregrounds, and background mountains using the Sprite Editor and Texture Atlas. Gain hands-on experience in game development while creating an engaging 2D platformer environment.