When you click on Multiplayer, Master Server displays a login screen. Type your login name and password in appropriate fields and click OK. After connecting the Game Mode Selection menu displays; there are four buttons on it: Training, Duel, Blind and Round Table. Select the desired mode. To disconnect from Master Server, click Back.
If you haven’t registered, click the Register button in the login screen, it brings up registration dialogue.

Registration
The Registration screen is similar to the login screen: simply type in a login name and password, then confirm password. You also need to enter your game key (you can check it in your Library: http://take.ms/hFGhE ). Please note that it’s not possible to copy it, so you’ll have to enter the code manually.
After a short while, the Game Mode Selection menu will be displayed (when you register, you’re logged in automatically).

There are four Master Server game modes:
• Training.
- 1v1 battle without rating calculations
- You choose the opponent yourself
- Customize options: resource level, number of rounds, time limits and more.

• Duel mode.
- 1v1 battle;
- Master server chooses opponents of similar level;
- Fixed parameters: 3d resource level, 2 minutes per turn;
- Score 2 wins to win the duel.

• Blind mode.
- 1v1 battle;
- Master server chooses opponents of similar level;
- Create aspecial deck of 16 cards using white cards and one type of colored cards.

• Round Table mode.
- Designed for 4 players;
- In the lobby each player gets a pool of cards. Players select one card from their pool and exchange the pools with other players. This happens until every player has a full set of cards.
- The player who loses the match drops out and their opponent moves on to the next round.