Backgammon NJ is a versatile and full-featured backgammon game available for iPhone. It offers a range of gameplay options, allowing you to play online in real-time, play online at your own pace, or play offline against the computer or another person in 2-player mode.

One of the standout features of Backgammon NJ is its advanced, neural network-based artificial intelligence. The AI is trained on millions of positions and uses a bearoff database and match equity table to provide strong gameplay that will challenge even expert players. The game also includes Tutor Mode and Hints, which can help you improve your game by showing you strategies and moves.

Players have praised the AI's strength and the game's interface. The customizable board design and checker colors add a personal touch to the game. Backgammon NJ also includes features like the doubling cube, single games or match play up to 25 points, Crawford rule for match play, and more.

Whether you're a beginner looking to learn or a seasoned player wanting a challenging opponent, Backgammon NJ is a must-have for backgammon enthusiasts.