Block Puzzle Classic 2021 is a free puzzle game available on Android that will put your problem-solving skills to the test. The objective of the game is to drag the square blocks and fill the rows and columns completely to eliminate them. With every level, the puzzles become more challenging, and you need to think creatively to solve them.

The game features rich props that you can use to clear the board and move ahead. The colorful graphics and smooth gameplay make the game engaging and addictive. However, the game lacks a tutorial, so it may take some time to understand the rules and get started.

Overall, Block Puzzle Classic 2021 is a fun and challenging puzzle game that will keep you entertained for hours. But, if you are a beginner, be prepared to spend some time figuring out the game mechanics.