Puzzled
PuzzleThis is puzzled. You play as an average individual who has been researching an old broken down underground laboratory, and he just found it. You will...
The main purpose of this modification is to add Portal Gun from one of the best puzzle game's, called Portal. You will be able to play the whole Half-Life: Source single-player campaign with Portal Gun. All feature's from Portal work's great in Half-Life: Source.
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