"Too much Tetris will have you looking at the furniture as if it's made of blocks that need to be lined up in neat rows, and don't tell the cops this but too much Grand Theft Auto can make you think some bad thoughts about cars. Sometimes games go even further, penetrating far enough into our brains they don't just recolor our waking life, but our sleeping one as well.Have you ever played a game so much it changes your dreams?Here are our answers, plus some from our forum."