Through The Portal

Discovering new and uninhabited terrain for commercial development? Who really cares? Apparently, some people do. Scientists have located a mysterious portal in the depths of an abandoned mine. One had ventured in, then rushed back out a few minutes later dazed and babbling. At a local hospital several hours later, the scientist mumbled something about Nazis. Nazis? That's your department. You are B.J. Blazkowicz, spy extraordinare and Nazi blaster for hire. Well, guess what? You've just been hired. Unfortunately, your assignment included no specifics. Your superiors told you to "get in there, blow up what's inside and get out." But what's inside?