Yo!

There some unlicenced(i guess) NES game
As ive rymenber your charachter are called Slick(or Slyck) he looks like Golgo 13, and olso like in Golgo 13 nes games can punches,kicks a and shoot from handgun
He olso had ablity to climb some walls.

As ive rymenber, some guy tell him to go to Peru and steal something, because our hero are some kind best of best thief.