Here are the list inside the game, and still more to come.

1. Day/Night
2. Right Click Menu on Player enables [Trade, Guild and Party]
3. Moving Panoramas
4. 3 Characters per account
5. Quest System - now have quest log and everything to track your quests. Of course you can gain minor quests from events that are not tracked in quest log.
6. Guilds - Everyone can create his own guild and then change guild color, MOTD (message of the day) and other settings. You can talk in Guild with setting chat channel to Guild.
7. Showing item names on ground - When you are holding TAB key item names on ground are showed
8. Woodcutting, Mining, Fishing, Crafting and Alchemy.
9. Random stat gains/losses to items - On pickup, items gain a random prefix, and suffix and randomly shifts the stats of that item like attack bonus or damage or speed. It may increase some stats, decrease others, or have other (un)wanted or (un)helpful effects.
10.Style slash system, that will display sword slash when player attacks.

and more...