From: LamdaMax | #029
I only found the warp barrels in Lockjaw's Locker and Squawk's Shaft. Now that I know where the other ones in world 1 are, it seems like Lockjaw's Locker should have been one of the harder ones to find
lockjaw's locker is the only one I knew about as well! I think I stumbled upon it one time when I was trying to find a bonus stage.
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DON~!