Tetris: the most popular video game ever.

There is an almost unlimited number of video games on the market today and you could be forgiven for being under the (17) the best ones are those packed with special effects, requiring great technique. Nothing could be further from the (18) The favorite game of all time is also one of the oldest and most basic: Tetris. The player has to fit a LIMITED IMPRESS that. TRUE (19). of shapes together on the screen. When a whole row is made without gaps between the blocks, the line vanishes. Should a line remain VARY (20) , however, new blocks will build up on top of it. Once the screen's full, the game's over. COMPLETE Part of the (21) is that anyone can play Tetris. Scientists also believe that the game's (22). is due to the fact that it makes our APPEALING POPULAR brains work with greater (23). becomes, so we carry on, (24). The more we play, the easier it trying to beat our last high score. EFFICIENT CONTINUE