Backgammon NJ HDios
Jimmy Hu · Games
● GAME CENTER -- Play online, chat, invite friends, auto-match with random players { Real-time } Play online in real-time { Turn-based } Play online at your own pace ● VERSATILE -- Play offline vs. computer or against another person in 2-player mode ● CUSTOMIZABLE -- More options than any other backgammon app ● UNIVERSAL -- Supports iPad, iPhone, & iPod touch Play & learn backgammon at skill levels from beginner to world-class! Backgammon NJ HD is a full-featured game which uses an advanced, neural network-based, artificial intelligence. Play against a computer AI, another person in 2-player mode on one device, or online against friends & others. Using Tutor Mode & Hints, Backgammon NJ HD 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. REVIEWS "[I] know strong bg play when I see it. This app is the strongest iPhone bg app I've played with by far. It does not cheat period. ...Analyzing these matches with eXtreme Gammon confirms a world class level of play with normal luck factors. If you are losing, get over it. So would 99.9% of the other backgammon players in the world. It is just that good. Learn from it." -Richard Munitz, Giant of Backgammon, #21 world ranking in 2009 "Backgammon NJ plays at an extremely high level with an excellent interface, and I often use it to practice on my iPhone when I am traveling. I recommend it highly to my students & friends." -Phil Simborg, Professional Backgammon Teacher & Player, www.mindgamescenter.com "I've played over 500 games now; I've checked about 5% of these against World Class Desktop programs (GNU, BGBlitz); and I've actually used some of the competition. NJ has the best interface & has more useful functions than any other backgammon apps out there." "For serious backgammon players, Backgammon NJ is the way to go." -Macworld.com, May 2012 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 will use the in-depth, technical features included in the app 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 Backgammon or Nackgammon • 4 skill levels: Easy, Medium, Hard, Expert • Customizable board design & checker colors • 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 • Game Center: Play real-time or turn-based online matches with friends & other players • Chat with your online opponent • Online Elo & Experience leaderboards • Block list for auto-match • Tap-to-move interface • Highlighted checker movement options • Hint & Undo • Learn with 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 an online match ends for any reason, you'll receive the Elo pts you deserve. FAQ: https://gamecenter.njsoftware.com • Contact us for help: https://contact.njsoftware.com

Screenshots

Store gallery · 10
🇷🇺
#7
Russia · paid
Games · Board
🇵🇹
#8
Portugal · paid
Games · Board
🇵🇹
#26
Portugal · paid
Games · Strategy
🇪🇸
#32
Spain · paid
Games · Board
🇸🇪
#32
Sweden · paid
Games · Board

Store presence

As of Jul 11, 2026stale (68d)
Rating 4.70
Ratings 33
Price
Version 7.0.3
Updated Oct 6, 2024
Released May 18, 2010

Rank grid

Current rank by country × genre, shown as color bands
1–3 4–10 11–50 51–100 100+
🇷🇺RU🇵🇹PT
Games · Board
9918
9018
Games · Strategy
84

Rank over time

Choose chart, genre, and markets to compare

Version history

Versions observed at capture, newest first
v7.0.3Oct 6, 2024
v7.0.1: - Added "Stop Auto Finish When Doubled" option - Added "Display Statistic/Meter" option - Added "Match File/Info Export" option (includes Share function) - Added "Swap Match File Player Position" option - Added "Analyze Most Recent Match" option to Double Tap & Swipe Left on Status Meter settings (included in Analysis Package in-app purchase) - Native resolution graphics for iPad mini 6th Gen - Updated for iOS 18 - Minor bug fixes v7.0.3: - Fixed issue where some online play buttons were not being grayed out

Update impact

Dated releases · rank and review signals, 14 days before → after

Review sentiment over time

Positive, neutral, and negative share by month, week, or version

Player reviews

Recent store reviews · rule-based labels
Review coverage is not available yet for this app.