What are some alternatives?
2048 Alphabet - Version of the 2048 game - 2048 Alphabet wiht letters,
XOLT - Smart and addictive number game puzzle in a beautiful Stonehenge theme!
Fives - Fives is a Quite Challenging Puzzle video game by Higher Bar LLC.
2048 by Uberspot - Port of the 2048 game by Gabriele Cirulli. It's playable without network connection.
Countdown Number Puzzle game - Countdown Number Puzzle Game developed and published by Bryan Barrett for Mobile platforms.
Play2048.co - Puzzle game written by 19 - year old Italian designer Gabriele Chirulli based on 1024.