I really found this interesting and challenging too! At first it was a bit confusing but then it was fun to play. Though I did not complete the game, I did love playing it. Here's how I played the game:
Thank you for playing our game! Glad you enjoyed it😁 Saw that you got stuck under the tetris block, we need to fix it😅. But for anyone else getting stuck in the same way, you can press 'R' to remove all tetris blocks.