2 0 0Actions Report Solution A perfect quad is made when there are no fragment remains of any quintominoes that make up the quad. For example, you could use the following three pieces and put them together to make a quad (Note that the signifies an empty space in the three different quintominoes):would turn into:which is a perfect quad - it doesn't have any fragments of quintominoes coming off of it. Make 100 perfect quads for this achievement.Leave a comment