Not great

The dictionary is weak, with obvious words missing and questionable words added.
There are too many ads. The banners are one thing as long as they are static. Moving, flashing banners are distracting. The ads between games is too much.
Most irritating though is the inability to save a game and continue it later. Its also irritating not being able to see the score at the end of the round.

SnadG about Unscramble Anagram - Twist, Jumble and Unscramble Words from Text