Parallax Scrolling on the Gameboy Color (shacknews.com)

The Gameboy, like the NES and other 8-bit hardware, could only display a single background layer. There are some common techniques developers used to present a sense of multiple background layers in spite of this limitation; we'll go through a few of them using an example from my new Gameboy Color game, Depths of Europa.

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Really interesting, and gave me a good nostalgia hit. Looking forward to trying you game when it’s ready!