I choosed 80's space sci fi theme. I decided to go on with simple skull sketch (Beginner

). I used Kavinsky's cover and Far Cry Blood Dragon trailer as a reference. Color scheme is night blue and neon pink/purple.

Final artwork

I tried to make handguard like a heat sink. baked some height map and combie everything in Photoshop.

here is final version after some tweaks.
http://steamcommunity.com/sharedfiles/filedetails/?id=692872026