This roundup concluded that the evidence is not particularly strong: "In short, there is no convincing evidence that playing Tetris actually helps people. The

This roundup concluded that the evidence is not particularly strong: "In short, there is no convincing evidence that playing Tetris actually helps people. The studies have methodological problems, tiny sample sizes, and have failed to replicate. Some found a reduction in “intrusive memories,” but no improvement in outcomes of PTSD or distress." https://www.madinamerica.com/2021/10/tetris-trauma-viral-twitter-thread-master-class-misleading-psych-research/ https://www.madinamerica.com/2021/10/tetris-trauma-viral-twi...