This page contains Metal Slug 3 Hints for Xbox called "Stage 1: Hidden areas" and has been posted or updated on Feb 10, 2009 by langostino. Let us know what you think of this Hint by thumbs voting.
Stage 1: Hidden areas
Near the beginning of the first stage, you will see a submarine floating in a pool of water. Hold Down to walk into this area and hop into the sub to go to an underwater part of the stage. The next hidden area is at the part where the boat is located. Instead of getting on it, hop onto the ledge above it to find a secret hatch. Go inside to enter a cave-like part of the stage. Note: Every time you complete a secret area, you will go directly to the Crab Boss --- you cannot go in both hidden areas during the same turn.
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