Hint: Whenever you find an object, look at it carefully and rotate it 360 degrees. There are countless objects in the game that reveal important clues when they are turned.
Hint: Having trouble with the math machines in the Bangkok facility? Repeating the symbols, counting, adding, and subtracting is difficult in base 16 (the standard Avian number system) or base 8 (the Octopus number system). If you're a little rusty on converting figures back and forth, here's a little table that might help.