I think that most users will find a game or two in the Entertainment Pack that they will enjoy. There is an annoying reminder to register at the start of every game. The only problem I have experienced with the games is that the sound on Battleship either completely quits working or it only half works. That could be due to my sound card though. Installation is simple.
Registration is made via snail mail to the author.
Support is available via e-mail to the author. Overall I would say that this is a program worth having.