Whether you're racking your brains for that crossword puzzle hint, or placing numbers for a sudoku grid, brain games can help enhance your mind and keep it sharp throughout the years. It's not all just fun and games here! Studies have shown that many casual games have powerful cognitive benefits.call them brain games, if you will! Depending on the game, these range from - but are not limited to - strategic thinking, better memory, quantitative skills, and increased vocabulary.