Nail Stack! game. To be honest, I never thought someone can use nail elements to make a 3D collecting arcade game. With cartoon arts, Nail Stack requires you to collect white nails and increase the final length of your finger. At the same time, there are some colorful brushes and decoration operations. In fact, it doesn't matter if you don't collect more nails. There is no punishment mechanism. Well, I still recommend you complete all levels by collecting more colorful nails!