If you want to play offline, on your own or with some friends/family that are next to you it's pretty simple.
1. First, you should turn both your wi-fi and data off so you have no connection to the internet.
2. You can open your game. You will have the option to "Play Offline". Click on it.
3. Press "Pass & Play"
4. Here you can select which game mode you want (Quick or Classic) and how many player will face each other with a minimum of 2 and a maximum of 4 players.
5. Enjoy the game!