1. Start the game by tapping the play button on the main screen.

2. You will see an empty 10x10 grid where you will place blocks.

3. At the bottom of the screen, three randomly shaped block pieces will appear.

4. Drag and drop each block from the bottom onto the grid.

5. Strategically place blocks to completely fill horizontal rows or vertical columns.

6. When a full row or column is completed, it will be cleared from the grid.

7. After placing all three blocks, a new set of three blocks will appear.

8. Continue placing blocks and clearing lines to earn points.

9. Clearing multiple rows or columns at once or consecutively grants bonus points.

10. The game ends when there is no more room to place any of the available blocks.

11. Try to plan ahead and leave space for larger or awkwardly shaped pieces.

12. Aim to beat your high score and unlock medals and achievements as you progress.

13. Keep playing to improve your strategy and achieve higher scores.

14. Enjoy the challenge and addictive gameplay of 2020 Plus for free anytime.