I'm not familiar with any body of research backing up video games - I've found some actually that indicated the opposite. But I'd love if you shared!
http://www.nature.com/mp/journal/v19/n2/pdf/mp2013120a.pdf
But it seems brain training games don't seem to provide any conclusive benifit:- http://longevity3.stanford.edu/blog/2014/10/15/the-consensus...
While you have a career or if you have a hobby, I suspect any new skill that you practiced would lead to similar mental simulation.