TwoN HD is a great addictive math strategy and a puzzle game with a great gameplay and outstanding user interface.
Pile three or more of same numbers in the middle row to generate higher numbers.
You can move columns up and down.
You can move only middle row right and left.
higher the numbers higher the score. game is over when the screen filled.
complete the assignment to level up and share your score with friends.
*Highscore
*Leaderboards
* Achievements