I’ve played City Park Golf Course a couple of times. There isn’t much trouble on the course but it is pretty long from the tips. I’ve had good success walking on as a single during the week.
There is a driving range, but it is irons only and you hit from mats. A local high school team practices on the range in the afternoon, which makes it a little harder to get a slot.
The best things about this course are the price ($12 twilight) and the views of the Denver skyline with the mountains in the background on a nice day.