Love the concept, keep it up! I got stuck when i purchased a heap of +box speed and the boxes stopped spawning entirely.

overall very fun game 

Definitely a game that wasn't fully finished, as stated on the page. It's a cool idea, but much of the game logic had not been finished. For example, there is not a check for whether or not you should be able to purchase an upgrade, and as such can go into as much debt as necessary, and due to the upgrades, instantly turn a profit. I think this could be a fun idle game given some more development time. The unimplemented eat mechanism seems like it would be an interesting way to gain buffs.