Cool idea, cute art. The controls take getting used to. Elevator moves way too slowly, I do not understand why you made its speed depend on the weight it's moving.
Thank you for rating our game! Yes, the elevator was designed to prevent the obvious solution (three robots are too heavy to carry up). However, we fail to deliver that message correctly, apologies for that. I uploaded a video so you could take a look at a possible solution if you want.