Quite literally the greatest video game experience I've ever had the pleasure of partaking in. Bad Rats is easily one of the most legendary achievements in entertainment history and will be passed down from generation to generation as a touchstone for any puzzle game developer who wishes to implement only the highest quality physics within their game. Bad Rats has been in development since the formation of Mesopotamia, and it took centuries to create the outline for the tutorial level, which was then branched off into a full game outline during the late Renaissance by members of the Scientific Revolution. Invent4 Entertainment discovered these outlines, the true crowning achievement of modern science, and created the physics engine used in this sublime game. Easily the most profound and skillfully executed puzzle game of all time, Bad Rats was ultimately released midway through 2009. To this day the game remains extremely popular, and you can see why once you feel the absolutely lifelike conquests of rodents over felines. This game easily scores a 10/10, if you don't own this yet you might as well just stop playing video games altogether.