Backgammon NJ for Android

Installs

17.4k

Rating

4.5

Rating count

2.3k

Category	Board
Developer	James Hu
Price	9.69
First release	11/13/2011 (14 years ago)
Version	4.8
In-app purchases	No
Contains ads	No
Content rating	PEGI 3
Package name	com.njsoftware.backgammonnj

View on Play Store

Core Metrics

Data Breakdown

Date	Rating Count	Average Rating	Installs	Version
7/4/2025	2,252	4.483	17,385	4.8
6/20/2025	2,250	4.500	17,324	4.8
6/15/2025	2,246	4.500	17,305	4.8
6/14/2025	2,245	4.500	17,300	4.8
5/22/2025	2,240	4.571	17,212	N/A
5/21/2025	2,240	4.571	17,205	N/A
5/20/2025	2,240	4.571	17,198	N/A
4/10/2025	2,236	4.508	17,049	N/A

Details

● Versatile -- Play offline vs. computer or against a friend in 2-player mode
● Customizable -- More options than any other backgammon app

Play & learn backgammon at skill levels ranging from beginner to world-class! This app is designed for both Android phones & tablets.

Backgammon NJ for Android is a full-featured game which uses an advanced, neural network-based, artificial intelligence. Play against a computer AI or against another person in 2-player mode on one device. Using Tutor Mode & Hints, Backgammon NJ for Android can show you how to improve your game!

Discriminating players will appreciate how well the AI plays. It uses a neural network trained on millions of positions, a bearoff database, & a match equity table to achieve strong gameplay that will challenge even expert players.

IS THIS GAME RIGHT FOR YOU?
This game is best for people:
• Who recognize the strength of neural network backgammon bots
• Who want to improve their game by playing against a world-class level AI
• Who are willing to use in-depth, technical features included in the game to prove that it is honest (https://www.njsoftware.com/note.html)
• Who won't expect to win consistently on the higher skill levels

FEATURES
• Neural network-based AI
• 2 game types: Standard or Nackgammon
• 4 skill levels: Easy, Medium, Hard, Expert
• Mersenne Twister algorithm for random number generation
• Doubling cube
• Single games or match play up to 25 pts
• Crawford rule for match play
• 1-player mode vs. computer
• 2-player mode on one device
• User-friendly, tap-to-move interface
• Highlighted checker movement options
• Hint & Undo
• Learn with Status Meter & Tutor Mode
• Game & dice stats, including Elo rating & ER
• Match info: GnuBG ID, win chances, equity, top 10 moves, & cube decisions
• Email match files
• Practice mode with unlimited undo (1-player vs. computer)
• Manual match recording mode with unlimited undo & speed mode option
• Options to reverse board direction, resign, use one-tap moves, auto bearoff, auto finish, use Jacoby rule, & much more
• Match analysis (in-app purchase): Analyze past match files, view moves & errors for match, step through match, jump to position, play from position, save match files permanently

IMPORTANT
If you're having issues:
• Make sure a task killer isn't killing BGNJ processes.
• Run BGNJ from main memory, not from memory card.
• We can't respond to crash reports submitted through Android OS. Contact us directly: https://contact.njsoftware.com

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