ACHIEVEMENT - HOW TO UNLOCK Bad Bad Rat - Forty maps solved. Bad Rat Junior - Solved ten maps. Bad Rats' King - Completed all levels. Economic Bad Rat - Completed five maps using less objects than planned. Extra Economic Bad Rat - Finished ten maps using less objects than the plan. Fast Thinker - Solved five maps with less than one minute. Genius Economic Bad Rat - OHH! Fifteen maps completed using less objects than planned. Master Super Fast Thinker - Uou! Solved fifteen maps in less than one minute. One Click One Death - Finished 10 maps in the first try. One Single Rat Move - Completed two maps using one single object. Serious Bad Rat - Thirty maps solved. Super Fast Thinker - Solved ten maps with less than one minute. Very Bad Rat - Solved twenty maps.