This is a game, well more of a mod on the source engine. It is a Wild-west based shooter with a variety of weaponry. The game is free-to-play, so you don't have to worry about the cost of the game. It is constantly being worked on and frequently updated, so look forward to more in-game content for it. If you would like to see a gameplay of this to see what it's like first hand before playing it.
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It is a great game considering it is free and i would highly recommend it!