Double-Up

Double-up tiles to add them to your score. How high can you rank?

Connect tiles to sum up to the last tile, doubling up its value. This sum is added to your score. Used tiles are replaced with either 1,2 or 4 (with 4 being the rarest).

Double-Up has addictive gameplay. Easy to learn but hard to master!

Features:

- Smooth, simple gameplay.

- Autosaves progress. Put it down and pick it up anywhere, anytime.

- Post highscores to online leaderboard (login as guest, with Facebook or with Google-account)

- You can post your score to your Facebook wall to notify friends (optional).