Open the Valve!

The girl in the raincoat lost her paper boat! Open and close the valve to raise the water level and return the paper boat to its owner! - Left, Right arrow keys : left, right move - Up arrow key in front of the hole : enter the stage - R : restart the stage - Space : "Open the valve!" Update(2024-11-25 at 9:05PM) : Add stage5,6 and intro skip key(=space bar)