Click on Start New Game from the main lobby then choose one of the options.
Scrabble GO:
  • Play Scrabble - To challenge friends, random players, or Zoey (single player challenge).
  • Arena - Play single player game modes and climb the League’s ranking
  • Duels - Play a fast-paced 1vs1 against another player
Scrabble Classic:
  • Play Friends: Play against your friends
  • Match Me: We’ll pick your opponent
  • Single Player: Play against the computer