the way i got it was i beat Return to Castle Wolfenstein.
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2600 yep I do- it's a top down 2d game where you're this little guy who has a pistol with ten shots and you have to find the warplans and escape the castle without being caught or killed. you had a pistol with ten shots, could get up to 3 grenades, and find a bullet proof vest and a SS uniform, keys, and various foods... You didn't want to kill guards because then the SS chase after you and the only way to kill them is with a greade... you could also blow holes in the walls.