This is for the Gameboy version which is the version I have played as a kid. Well where do we begin.
First off, Tetris is perhaps one of the best games I've ever played that involved blocks. Not just because of how simple it is, but because it was an idea pulled off well. If you hadn't played or heard of Tetris, then I'm guessing you must had been living under a thick rock for all of these years (Anyone who owned a Gameboy or had a NES probably might remember this game.)