you might want to check out 3dCoat. its a 3d painting tool that is mostly developed for game developers. it also does retopology, and is fairly inexpensive so you might be able to convince a company to buy you a copy if all they have is zbrush and photoshop.
Hi roosterMAP, the fact is that I already use photoshop, but the pipeline where I work is based on Mudbox+Photoshop. I asked my question to see if there is a package preferred by 3d artist in game industry and eventually if I could use zbrush instead of mudbox (also because I own zbrush licence..). I also find fun and…