Hotspots 1.5.3 is an interesting word game in which you have to play against the PC. It is a tough rival with a very extensive vocabulary.
The PC analyzes the board effectively, using sophisticated algorithms to make each move better. However, the difficulty level of your rival can be configured to your needs by the user.
In Hotspots 1.5.3 you can save the games as many times as you want, to later start again or continue. It can also generate reports showing the words on the board, the movements made, etc. Also, just to make things even more difficult, all the words are in English.