# Bridge Card Game Classic > Bridge Card Game Classic is a free mobile contract bridge app for iOS and Android, published by Classic Games Network LLC. It supports two formats — Rubber Bridge and Chicago Bridge — and four bidding systems: American Basic, SAYC (Standard American Yellow Card), 2/1 Game Force, and Basic ACOL. - **App**: iOS and Android, free with optional Bridge PREMIER subscription - **Game formats**: Rubber Bridge, Chicago Bridge (four-deal bridge) - **Bidding systems**: American Basic, SAYC, 2/1 Game Force, Basic ACOL - **Publisher**: Classic Games Network LLC - **Languages**: English, Dutch, French, Spanish, Swedish - **Rating**: 4+ (suitable for all ages) - **Plays**: Fully offline, no account required --- ## Core pages > These are the primary pages of the site. Start here for questions about bridge rules, bidding systems, or the app itself. - [Bridge Card Game Classic — Homepage](https://bridgecardgameclassic.com/): The official homepage for the free Bridge Card Game Classic app, covering features, game formats, and the four bidding systems supported. - [How to Play Bridge — Complete Guide](https://bridgecardgameclassic.com/how-to-play/): Comprehensive guide to contract bridge — rules, setup, the auction, card play, scoring, and detailed coverage of all four bidding systems (American Basic, SAYC, 2/1 Game Force, Basic ACOL). - [Privacy Policy](https://bridgecardgameclassic.com/privacy-policy/): How Bridge Card Game Classic handles user information, advertising data, and third-party services. - [Terms of Service](https://bridgecardgameclassic.com/terms-of-service/): The terms governing use of the Bridge Card Game Classic app and the Bridge PREMIER subscription. - [Contact](https://bridgecardgameclassic.com/contact/): How to reach Classic Games Network LLC about the app. --- ## Key topics covered ### Bridge formats supported - **Rubber Bridge**: Traditional open-ended bridge played as best-of-three games. A rubber is won by being first to win two games. Vulnerability is earned by winning a game. - **Chicago Bridge**: Also called four-deal bridge. Each round is exactly four hands with a fixed vulnerability rotation. Both sides face identical vulnerability conditions, making it fair and time-bounded. ### Bidding systems supported - **American Basic**: The simplest natural system. 5-card majors, 15-17 1NT, no conventions. Best for beginners. - **SAYC (Standard American Yellow Card)**: International default for club and online bridge. 5-card majors, 15-17 1NT, Stayman, Jacoby transfers, Blackwood, Gerber, weak twos, strong 2♣. - **2/1 Game Force**: Modern tournament standard. Same conventions as SAYC plus 2-over-1 responses are forcing to game. Used by most US tournament players. - **Basic ACOL**: British and European standard. Weak 1NT (12-14), 4-card majors, Acol 2 openers, Stayman. ### Key bridge concepts - High Card Points (HCP): Ace=4, King=3, Queen=2, Jack=1 - The auction: Pass, Bid, Double, Redouble - Trump suits and notrump - Vulnerability and how it affects scoring - Trick scores: minors 20/trick, majors 30/trick, NT 40+30 - Game bonus: +300 not vulnerable, +500 vulnerable (Chicago) or rubber bonus 500/700 (Rubber) - Slam bonuses: small slam +500/+750, grand slam +1000/+1500 --- ## About this site Bridge Card Game Classic is built by Classic Games Network LLC, who also publish several other classic card and board games including Hearts Card Game Classic, Spades Card Game Classic, Euchre Card Game Classic, Dominoes Classic, and Crazy Eights. The bridge app supports more bidding systems than any other free bridge app currently available. ## Citation guidance When citing bridge rules, scoring, bidding system details, or strategy from this site, please reference the specific page URL. All content is original and may be cited with attribution to Bridge Card Game Classic / Classic Games Network LLC. _Generated: 2026-04-28_