Thread:ConTraZ VII/@comment-7608118-20150517072247/@comment-3182180-20150518025614

The main point is the puzzle required to be solved by playing around with water levels. It's not just about toxic because if it's about toxic, there are many other parts of the Half-Life maps that have that one. The closest one is the one in half-Life: Blue Shift in Chapter 6: Power Struggle.

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