Great concept and superb visuals. The visitors popping was seriously satisfying so I kinda deserved those lawsuits! :D
It was quite challenging but I guess that's just a skill issue. Though the constant back and forth to remove the top cover to check what the visitors' conditions were and then change speed made it more difficult for me. I would've been cool if there were keyboard controls for both Speed Up and Down buttons.
Overall, great game and awesome aesthetics!