List of Tetris variants - Wikipedia

Tetris Plus (Arcade) - The Cutting Room Floor

TGM Versus Mode Guide - TetrisWiki

Tetris Link, Board Game

Game & Watch games: Tetris, Super Mario Bros., Donkey Kong 3, List of Game & Watch games, LCD games in the Mario series

Tetris, Super Smash Flash 3 Wiki

Tetris DS - Wikipedia

Tetris Worlds - Wikiwand

Hatris, Ultimate Pop Culture Wiki

Brenden on X: PSA regarding Tetris and its claimed June 6, 1984 release date That date is incorrect and was fabricated back in 2009 with prior sources citing the real creation date