What is the 2048 world record?

What is the 2048 world record? Most instances ended with a score around 390,000 and a 16,384 tile, but the best instance built a 32,768 tile and stayed alive long enough to reach a score of 839,732. As far as I know, this is the highest score achieved in 2048 without undos.

Most instances ended with a score around 390,000 and a 16,384 tile, but the best instance built a 32,768 tile and stayed alive long enough to reach a score of 839,732. As far as I know, this is the highest score achieved in 2048 without undos.