Aperture Tag: The Paint Gun Testing Initiative Chapter 1 Test Chamber 1
|“I can't get over how small you are!”
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This is the second level of the game, and take place within three separate rooms. The first two rooms is a training to learn how to use Paint Gun and the third room is a advance courses to learn more tricks with Repulsion Gel, such as fall jump. the only hazard is Goo were appear in the third room.