Nail Stack is a free game developed by Rollic Games Oyun Yazilim ve Pazarlama Anonim Sirketi for iPhone. The objective of the game is to collect as many nails as possible by stacking them up without hitting the obstacles. The longer the nails, the bigger the prize. The game is easy to play but challenging to master, with nail-biting heads and saws that need to be avoided.

The game also offers the ability to paint your nails with colorful nail polishes and decorate them with shimmer for a personalized touch. The graphics are simple but attractive, and the gameplay is smooth and addictive. Overall, Nail Stack is a fun and entertaining game that is perfect for passing the time.