The addictive puzzle game "Tetris" may be able to help treat adult amblyopia, a condition known as lazy eye. Amblyopia occurs when the nerves that connect one of the eyes to the brain do not ...

Dr Stafford said that Tetris is the granddaddy of addictive puzzle games like Candy Crush saga. ‘Tetris is pure game: there is no benefit to it, nothing to learn, no social or physical consequence.

It’s essentially a block puzzle game but with a “Tetris twist” according to the developers. There are two modes of play and these include Adventure Mode and High-Score Mode.