Guild wars is an addictive experience plus it's abselutly free.
Gameplay- Simple and fun game, with good amount of proffesion combinations and cool PvP. The quests are a lot of fun and the missions just rock. The world is big and the plot is very intresting. The guilds are great too. The only bad things is there is no mounts, you cant swim and jump freely, and it can be hard sometimes to travel from place to place.
Graphics- The art style is amazing, abselutly great. The characters look great too.
Sound- Overall it's great too, though could be a little better.
Value- There is much to do, lots of quests and PvP options. It worths all the money and the fact there is no monthly payment increase it's value.
Tilt- Easy to use and learn, simple and fun to use.