Tetris gets into this too. The official modern Tetris rules (known as the Tetris Guideline) reportedly specify the use of a shuffle bag [1] to avoid having too-

Tetris gets into this too. The official modern Tetris rules (known as the Tetris Guideline) reportedly specify the use of a shuffle bag [1] to avoid having too-short or too-long periods between repeats of any given shape. Other versions have their own methods of making the distribution "fairer". [1] https://gamedev.stackexchange.com/questions/11217/how-do-i-avoid-too-lucky-unlucky-streaks-in-random-number-generation https://gamedev.stackexchange.com/questions/11217/how-do-i-a...