Taking a look at the two versions of Tetris on the NES – The Tengen version, which was short lived due to licencing issues, and the licenced Nintendo version. Also a bit of Tetris history.
If you want to know more about the battles between Nintendo and Atari, check out this great video by The Gaming Historian:
“Cantina Blues” Kevin MacLeod (incompetech.com)
Licensed under Creative Commons: By Attribution 3.0