Tetris is a classic puzzle video game that was first released in 1984. The game is based on the idea of falling blocks, known as "tetrominoes," that the player must rotate and position in order to create complete rows on the game board. The objective of the game is to score points by clearing as many rows as possible before the stack of blocks reaches the top of the game board. The game begins with a random sequence of tetrominoes falling from the top of the game board. The player controls the movement and rotation of the tetrominoes as they fall, trying to fit them together to create complete rows on the game board. The player can move the tetrominoes left or right, rotate them clockwise or counterclockwise, and drop them to the bottom of the game board. As the player creates complete rows, they are cleared from the game board, and the player earns points. The game gets progressively more difficult as the player advances, with the tetrominoes falling faster and more frequently. There are several variations of the game, like Tetris Attack which is a puzzle game where players swap and match colored blocks, and Tetris Effect which is a game where the background and sound change as the player progresses through the levels. Tetris is known for its simple, yet addictive gameplay and its ability to be enjoyed by players of all ages and skill levels. The game has been released on a variety of platforms, including arcade machines, home consoles, and mobile devices. It's considered one of the most successful and recognizable video games of all time, and it has sold hundreds of millions of copies worldwide. Tetris is a game that tests a player's ability to think strategically and react quickly, it's a great way to improve cognitive skills, and it's a game that can be enjoyed alone or with friends and family. The game has proven to be a timeless classic that will be enjoyed for years to come.