The story of Tetris is long and convoluted enough to fill an entire book, and those wanting to know the full story about the tangled legal mess that the game’s home rights turned into are encouraged to check out David Sheff’s Game Over: Press Start to Continue. It has all the details about the litigation and underhanded plays that occurred as multiple entities and people tried to cash in on the Russian phenomenon. One company that was caught in the crossfire was Sega, which tried to release a version of Tetris for the Mega Drive, only to find itself slapped down by the legal issue. Few copies were actually released, and a slew of pirate versions have since cropped up, fetching ridiculous prices on eBay.