Best (non-violent) 3-D video games for adults?

This sounds very interesting!  Are there any non-violent 3-D video games for adults?  If so, which are the best for the aging brain?

Video Game Training Improves Cognitive Control in Older Adults

Researchers found that seniors who play a 3-D video game improve their ability to sustain focus and multitask successfully. The results highlight the potential of the aging brain to improve certain skills.

via Video Game Training Improves Cognitive Control in Older Adults – National Institutes of Health NIH.