There are many college courses in the first year, regardless of arts and sciences. Besides specialized courses, what other public courses are there, such as ideological and political, philosophy, legal basis, English and physical education. Sophomore will be better, and when many public classes in junior are over, it will be easier. Senior year, it's time to find a job or take the postgraduate entrance examination after graduation.
You can do anything when there is no class, because that's your time. As long as you don't break the law, no one will care about you. You can play games (of course, playing games is always bad), or you can go out and find a part-time job, such as tutoring. If you earn money, you can spend it, and your life will be full.
There are also many mass organizations in universities, and freshmen will advertise when they come. You can choose what you are interested in, do what you like, and add some content to your future resume. University life is rich and colorful. You can go to the weekend dance and make friends. You can also take part in the foreign language corner to practice your spoken English. Everything is up to you!
You can do anything as long as you don't violate the law and discipline.