NumberLink 2000+ is a free Android puzzle game developed by YI ZHENG. It is a simple yet addictive game that challenges your problem-solving skills. The goal of the game is to connect circles of the same color without crossing the lines and fill the entire board. The game is easy to play but hard to master, making it a perfect fit for all kinds of players, from kids to puzzle masters.

The game offers over 2000 levels, each with a different challenge to solve. The game has 12 different board sizes ranging from 5*5 to 16*16, allowing you to choose the level of difficulty you want to play. The game rates your performance for each level with stars, which are awarded based on the number of moves you take to complete the level. Additionally, the game offers hints for each step, helping you when you are stuck, and solutions for each level, which can be accessed if you give up. Overall, Number Link 2000+ is an enjoyable and engaging puzzle game that will keep you entertained for hours.