Open world pvp. With CRZ this opens gives you the opportunity to gank or be ganked by high levels from other servers
Compete with other players for nodes, see CRZ above for the same kinds of opportunities to fight with other high level players for nodes.
Limited talent trees keeps choices simple
2 crafting professions per character
PvP contained to WvW, sPvP & tPvP, no open world ganking
Node sharing, everyone can farm the same nodes, people share node locations.
Expansive trait lines, slot skills and weapon swapping for maximun customization of your build
All 8 crafting disciplines can be learned by a single character
Downscaling keeps all content current, dungeon tokens for lower level dungeons offer current level rewards
Costume Brawl and Keg Brawl for random entertainment
Jumping puzzles offer exploration, challenge and rewards
Mini dungeons that do not require queueing or grouping to complete