I made the water storage upgrade also need a copper pipe connected to the turret for it to work. I also made it that when you have water in the water storage you can hold down the up key to speed up your laser beems as without the water as coolant the turret would over heat. code wise I made a clock so I can regulate parts of the game in universal time and not just a delay. here is link to test https://microstudio.io/layerbylayer/astreroidhunter/2MSZECRK/ E for exit mode R for resume left. right arrows to aim. space to shoot. while in exit mode to puchase upgrades click the first letter of its name on your keyboard