Gosh, I can relate soo much so that I'm not sure what advice I can give. I met lots of people over my four years in college or uni (I sincerely love how UK ppl use that term, sounds more hip than college, anyways...) through various ways. I met them in class, clubs, parties, dorms, and at work. My lasting friendships came from the dorms, work, and multiple classes that I had with people. In those situations I was seeing the same people over and over in a non-pressure kind of situation like we weren't making plans to see each other over coffee but rather there was a common entity that was bringing us together and we could chat or not, but over time I got to know them and then I became comfortable enough to hang out with them outside of whatever was bringing us together.

Since you are not in the halls anymore the dorms is out, so I'd try talking to people in class especially people where you have multiple classes in common. I'd also try getting a job where you think you'll meet like minded people, if getting a job is an option for you.

Hope this helps.