I really like this game, good use of physics and fitting into this theme! Some issues with the web version, but it ran smoothly after some lag.
Two things I think would work for it are;
- Make it clearer where you need to click to "grab" something. Found it hard sometimes, had to do a lot of frantic clicking. I'm not sure the best way it could be done, but maybe a sort of "tap" pixel effect to show where you last clicked?
- I did not realise there was an upgrade screen for about 2 minutes, maybe have it flash different colours when an upgrade is affordable?
Still a really good game!