Tetris was originally designeed / programmed by Alexey Pajitnov and released in 1984. The game makes use of tetrominoes, the four-element special case of polyominoes. Polyominoes have been used in popular puzzles since at least 1907, and the name was given by the mathematician Solomon W. Golomb in 1953. Now here are some examples of people who have mastered the game in real-life. Click here to view the first image in today’s viral picture gallery. Continue reading for a viral video of some extreme rock climbing bears.