Been playing with it quite a bit. It's fun
All the robots are good, but some have some problems.

St Hammer has no control whatsoever.
Smidsy sometimes goes headfirst into a wall and stays there for a bit.
Pussycat has a tendancy to immobilise itself by standing upright.

I'm not sure if these are problems you can fix or if it's a ai problem, but they are just minor niggles in a fun package