Complete the following tasks to unlock the corresponding achievement. To view your achievements and stats in Steam, select "Community", then "My profile", then "View all my games", then the game and view stats.
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