Grey-capped Greenfinch Puzzle Game - Version 1.1 Grey-capped Greenfinch Puzzle Game is a picture puzzle game with a beautiful Grey-capped Greenfinch bird picture. The grey-capped greenfinch, Chloris sinica is a small passerine bird in the finch family Fringillidae. It has an extremely large range, and hence does not approach the thresholds for Vulnerable. You must swap and arrange the square tiles to put them in order. Just take any piece and put it in right place. There are 3 levels of difficulty you can choose from and control the level of difficulty for fun by all the family.