Tetris is a computer game originally made by Aleksei Pazitnov in June 1984. Vadim Gerasimov transformed it to IBM PC.
Release day: 6th June 1984
Designer: Aleksei Pazitnov
The aim is to make horizontal lines by dropping blocks of different shapes. When you complete the line, it is removed and the upper blocks drop down. You get points when the lines are complete without holes.