a series of first-person puzzle platforming games by developer Valve. Use this tag for questions about characters, locations or events that span multiple games in the Portal series. The games are based in the same universe as the Half Life franchise

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Are they two Separate guns, or just modules?

In the Portal series, you start off with a single polarity Portal Gun, and then later you find another device that fires both polarities. The question is that are these two individual Handheld Portal ...