“I started to put together all kinds of mathematical puzzles and diversions that I had loved all my life. The program wasn’t complicated. There was no scoring, no levels. But I started playing and I couldn’t stop. I think that most of the classic games written in the 80s or early 90s are dead just because their authors or owners didn’t care about them.”
He chose the name Tetris by combining the words “tennis”, his favourite sport, and “tetra”, a Greek prefix. The variously shaped groups of blocks that fall down the screen are called tetrominoes.