Aperture Tag: The Paint Gun Testing Initiative
PuzzleA paid mod for Portal 2. A very well finished, good looking mod. In Aperture Tag the test subject uses not portals but a paint gun to solve puzzles.
Portal: The Must Beat Black Mesa Testing Initiative, is a new Portal 2 mod showcasing the old 1996 Testing Initiative that was shut down in 1997, when aperture bought black mesa, but the test chambers are still there after 300 years, you will explore these old test chambers Portal 2 mod Made With the Source engine
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