Thanks 8bitartist for the tips on 2 and 3. I just finished the first one last night, love it. Some of the bottles are annoying though :lol: But the levels are not difficult and you can rety/die over and over w/o penalties.
There's a rare glitch I like to point out though. It wasted me a good 10 minutes

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When you're collecting bottles in part one (required for platinum trophy), if you're close to the total number (say missing one or two), and you can't seem to find the missing bottles (even with the help of the blueprints, i.e. breakables and bottles are displayed when you use the binacu-com), just redo the level...
You want to know why? Because some bottles are contained in the little safe box thingy. You have to smash it to reveal the bottles inside... However, sometimes you hit the safe to many times or there's an enemy near by, the bottles might falloff the edge/cliff, hence they will be in the water/pit :shock:
How do I came to that conclusion? Well, I used the binacu-com to locate the missing bottle and the damn thing kept on telling me that the bottle is in the water :lol: I finally gave up and restarted the mission... Only to realize that the missing bottle was from a safe!
Also, the final vault can't be opened until you beat the game (watching the credits twice is a pain). Most of the bottles are in plain sight, only a few is semi-well hidden. If you have problems with the bottles, just try to unlock the blueprint of the area which allows you to hunt the bottles using your binacu-com.