Tetris Unblocked is essentially the classic Tetris game that has been made available to play in a web browser without any restrictions or blocked access. It follows the same core gameplay and rules as the original Tetris game. The objective of Tetris is to manipulate falling tetrominoes (shapes made up of four blocks) to create complete horizontal lines. When you complete a line, it disappears, and you earn points. The game continues as new tetrominoes fall faster and faster, and the goal is to clear as many lines as possible while preventing the playfield from filling up to the top.
The game typically ends when the playfield is filled to the top, and you can see your score at that point.
The rules of Tetris are simple, but it can be quite challenging as the tetrominoes fall faster and faster, requiring quick thinking and good spatial awareness to keep clearing lines. Tetris Unblocked is a great way to enjoy the classic game in your web browser without any restrictions or blocked access. You can find various versions of Tetris online, so the specific controls and features might vary slightly from one website to another, but the core gameplay remains the same.