As long as these games are downloadable and patchable then theres a high chance of hacking it. If you are thinking of games that are
1. Java script
2. Just like runescape (webpage)
3. not downloadable
Then you are fucked and it won't work...
As for your questions:
-Realm Online may not work
-Knight online May not work. Nexon made warrock, Gamersfirst has Knight Online.
-Bloodymare isn't going to work
-Outspark may be highly unlikeable
-I'm not sure about Hostile-Territory.net