Hello... Typically these days we use USB2 sticks and HD space as a substitute... they are faster and easier to use than drives. You can dl what you need using another working computer.
Some of your current CD/DVD games may not be downloadable... and a drive should be used... they don't cost that much, and they can be found used... I use my, 8 year old one with a USB adaptor when I need it, and don't leave it powered or installed in my case or MB.