Game rules
- 100 points are awarded for each row cleared
- Game speed increases after reaching 200 score
- The game restarts automatically after showing game over box briefly
- Highscore is tracked until page is refreshed
- If player achieves a new highscore but restarts game manually, the new highscore is retained
Tetris
Playing instructions
- `A` button: Move block left
- `D` button: Move block right
- `S` button: Move block down
- `H` button: Hold the block. (Press H again to unhold)
- `E` button: Rotate block clockwise
- `Q` button: Rotate block anti-clockwise
- `R` button: Restart game