PC (Microsoft Windows)5 червня 2013 р.
Випущено ✓ 
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Half-Life: The Challenger Deep 2
This is a remake of the original Half-Life mod The Challenger Deep. This re-designed mod has been in development for more than 7 years. It follows the same storyline as the original.
MysteryScience fictionShooter
Режими гри
Single player