Sixth best-selling video game franchise of all time

• Hot 1990's computer game
• Shape-fitting game
• Game with L- and Z-shaped pieces
• Game with falling popularity?
• '80s blockbuster video game
• Russian "invader" of the 1980s
• Game with falling shapes
• Game in which all pieces have four components

Wikipedia Word definitions in Wikipedia
Tetris (, pronounced ) is a tile-matching puzzle video game , originally designed and programmed by Russian game designer Alexey Pajitnov . It was released on June 6, 1984, while he was working for the Dorodnicyn Computing Centre of the Academy of Science ...