Anywhere where I can do art commissions in return for steam games?

for the longest time I’ve been wondering if there is a particular place where I can draw art for people in return for steam games like Metal Gear Rising:Revengeance or Ori and the Blind Forest, etc, but I can never find a suitable platform

would a place like here be good to try it? is it even allowed here? or does anyone else have a platform they’d recommend as it would be really helpful for me to get games I’ve been hoping to try for years now!