Answer:

TETRIS

AnswerCrossword Clue
TETRISBlock-dropping game
TETRISGeometric arcade game
TETRISShape-fitting arcade game
TETRISArcade game with falling figures
TETRISGame with tumbling blocks
TETRISGame designed by Alexey Pajitnov
TETRISFalling-shapes computer game
TETRISShapely computer game?
TETRISArcade sensation of the '90s
TETRISFalling-shapes game
TETRISPopular computer game
TETRISComputer diversion with falling shapes
TETRISArcade game with dropping figures
TETRISClassic computer game with falling shapes
TETRISGame played with seven pieces
TETRISGame with falling blocks
TETRISShape-fitting game
TETRISGame for shapeshifters?
TETRISGame whose original packaging boasted "From Russia with Fun!"
TETRISVideo game from Russia
TETRISFalling shapes game
TETRIS'80s video game
TETRISPopular game-app download
TETRIS'80s video blockbuster
TETRIS'80s blockbuster video game
TETRISVideo game invented by Alexey Pajitnov
TETRISRussian game craze of the '80s
TETRISGame with falling shapes
TETRISHot 1990's computer game
TETRISPopular game from Russia
TETRISArcade sensation of the 90's
TETRISHot 90's computer game
TETRISArcade favorite
TETRISArcade game
TETRISPopular game import from Russia
TETRISGame craze of the late 1980s and '90s
TETRISGame in which all pieces have four components
TETRISPopular computer game with geometric shapes
TETRISGame of falling popularity?
TETRISGame with falling popularity?