Instead of trying the 999 possibilities on the lock,
look for figurines like the one in the room near your starting
location. There is another one behind trucks and one outside the
fence when you get on the roof of the building with the first
figurine. The combination is 619 (from left to right).
Saved game file: All levels and FMV sequences by FairLight
Saved game file: Everything unlocked except one Power Move
Trainer: +1 by EyM
Trainer: +5 by Class