Feel like I'm getting behind in school? Major and Classes help? Please read all

I was originally majoring in Teaching.

My first year:
1st semester- did pretty good (2.9GPA)
2nd semester-I had a major depressive episode…ended up withdrawing through the college

Second year(new college):
1st semester-This is the part where I decided I really didn’t like my major plus rough schedule. I took 4 classes with 1 B and 1 D and 2 UW’s. Not sure if exactly but something like that.
2nd semester- People convinced me to continue on when I kinda wanna just wanted to stop college. Had an UW.

My GPA after first 2 years: 1.7 yeah I know…

I don’t know what happened but I just got my stuff together. I been so motivated to do well. I been so much better with depression now. I decided to not do Teaching. However I am stuck between 2 majors to choose from (Computer Science or Game Design). Problem is my school does not offer Game Design. So as of right now I am trying to take classes from both majors(listed below). I just feel sad because I am currently in my 3rd year and I feel so behind. I have a few credits that will transfer but not really. All my friends are going into their last year or second to last year where I am supposed to be but im stuck and my college doesn’t offer one of the majors. Also my gpa is so low that i cant really transfer anywhere until end of spring 2018. So I feel like I am going to be 3 years behind. There is also a chance I may move in another year or 1 1/2 years. I been so motivated now to do really well and I have been this semester but it makes me upset of being so far behind when I want to graduate as soon as I can. Anyways below is my current semester and whats plan for the next semester:

Third year:
Current semester- I am taking 2 courses. I am doing so much better now. I can’t say my final grades but as of right now I have an A in my english class and an A or B in my pre-programming/logic class.
Next semester: So this isn’t exact but I was advised to take next english class, Computer Science I, Precalc or Calc (need to take a certain math placement exam), Graphic Design (idk if its needed for game design but, I need that class inorder to go to 3D and Video which I know I will need for Game Design).

I need any help, advice, stories, if any CS or GD majors that know any courses…I would greatly appreciate it