Submachine 4Published on January 24, 2014. Played 90 times.
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Submachine 4 has even more puzzles to solve, even more locations to explore than ever before. The largest and most mind-bending of all the Submachine games, this one will have you tearing your hair out (in a good way!) trying to figure out what's going on. If you're looking for a real puzzle challenge, Submachine 4 is for you!
Click on doorways and ladders to move around. Click on inventory items to use them in key places.