Below are the test chambers from PortalZ: The First Slice., the 2009 PortalZ beta prevew.
To play The First Slice:
Alternatively, you can download PortalZ: The First Slice from one of these external sites as a ZIP file and follow the included instructions:
Known issues in The First Slice:
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Downloads >
The First Slice
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Test chambers 00 and 01. This is an automated tutorial. | 2603k | v. 9 | Nov 4, 2020, 5:57 AM | Zachary Yaro | |
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Test chamber 02. Remember that you can use SHIFT to sprint! | 1455k | v. 9 | Nov 4, 2020, 5:57 AM | Zachary Yaro | |
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Test chamber 03. Warning: turrets are a lot more deadly and dangerous without the ASHPD. | 1271k | v. 9 | Nov 4, 2020, 5:57 AM | Zachary Yaro | |
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Test chamber 04. The floor here will kill you. Try to avoid it. Yes, I am evil. | 2448k | v. 9 | Nov 4, 2020, 5:57 AM | Zachary Yaro | |
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Test chamber 05. This is the only chamber that needs a bit more work (as far as I know) before launch. You may noclip just this once if you really have to. | 1147k | v. 8 | Nov 4, 2020, 5:57 AM | Zachary Yaro | |
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Test chamber 06. Hooray for momentum! | 5171k | v. 9 | Nov 4, 2020, 5:57 AM | Zachary Yaro | |
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Test chamber 07. If you thought just flinging alone gave you headaches... | 2552k | v. 9 | Nov 4, 2020, 5:57 AM | Zachary Yaro | |
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Demo test chamber 08. In the full version, this will be chamber 17. I am putting it in the demo because 1) the real chamber 08 is too buggy to be released and 2) the WCC is awesome. DO NOT EUTHANIZE YOUR FAITHFUL COMPANION CUBE! | 1619k | v. 9 | Nov 4, 2020, 5:57 AM | Zachary Yaro | |
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Test chamber 09. Welcome to android h**l. | 2703k | v. 9 | Nov 4, 2020, 5:57 AM | Zachary Yaro | |
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Test chamber 10. Just when you thought Portal could not get any more disorienting... | 1426k | v. 9 | Nov 4, 2020, 5:57 AM | Zachary Yaro | |
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This file allows PortalZ: The First Slice to show up in your bonus maps list. | 1k | v. 2 | Nov 4, 2020, 6:00 AM | Zachary Yaro |