press "w" to fire cannon，move mouse to move the cannon direction. When the enemy all over, it is over... not very interesting.... 😂😂 or you can "ctrl+R" to refresh the browser tab to play again.... Demo: https://akari0624.github.io/hexSchoolWeek7_canvasGame/ Github repo: https://github.com/akari0624/hexSchoolWeek7_canvasGame