Below are all the latest released versions of all test chambers that have been completed enough to play. Not all are available yet, and not all consecutive chambers may link to each other. To play a test chamber:
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Preview Chambers
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Intro chamber (00) and tutorial chamber (01), based on the original Portal trailer. | 4861k | v. 9 | Nov 4, 2020, 10:40 PM | Zachary Yaro | |
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Test chamber 02. Portal device get! | 2563k | v. 5 | Nov 4, 2020, 10:31 PM | Zachary Yaro | |
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Test chamber 03. “The little boxes will make you angry.” | 2179k | v. 12 | Nov 4, 2020, 10:31 PM | Zachary Yaro | |
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Test chamber 04. “The floor here will kill you; try to avoid it.” | 4580k | v. 10 | Nov 4, 2020, 10:31 PM | Zachary Yaro | |
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Test chamber 06. “Momentum, a function of mass and velocity, is conserved between portals.” | 6727k | v. 10 | Nov 4, 2020, 10:31 PM | Zachary Yaro | |
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Test chamber 07. Remember: In PortalZ, GLaDOS will never lie to you. | 11624k | v. 13 | Nov 4, 2020, 10:31 PM | Zachary Yaro | |
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Test chamber 09. "Android hell is a real place..." | 5977k | v. 10 | Nov 10, 2020, 12:53 PM | Zachary Yaro | |
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Test chamber 10. “Up...down...up...down...up...” | 3971k | v. 8 | Nov 4, 2020, 10:31 PM | Zachary Yaro | |
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Test chamber 11. An introduction to on-demand gravity manipulation. | 3637k | v. 14 | Nov 4, 2020, 10:31 PM | Zachary Yaro | |
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Test chamber 12. More fun with gravity manipulation. | 6239k | v. 12 | Nov 4, 2020, 10:31 PM | Zachary Yaro | |
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Test chamber 14. Uninsulated electrical parts may be dangerous under certain conditions. | 3694k | v. 9 | Nov 4, 2020, 10:31 PM | Zachary Yaro | |
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Test chamber 17. DO NOT EUTHANIZE YOUR COMPANION CUBE. | 2918k | v. 8 | Nov 4, 2020, 10:31 PM | Zachary Yaro | |
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Test chamber 18. Puts Portal Peggle back in Portal. | 2300k | v. 3 | Nov 4, 2020, 10:31 PM | Zachary Yaro | |
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The final test. (And finale.) | 6748k | v. 5 | Nov 4, 2020, 10:31 PM | Zachary Yaro | |
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This file allows PortalZ to show up in your bonus maps list. | 1k | v. 2 | Nov 4, 2020, 5:59 AM | Zachary Yaro |