Portal: First Slice
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|Portal: First Slice|
May 8, 2008
Originally Nvidia hardware
Portal: First Slice was the demo version of Portal.
Portal: First Slice consists of test chambers 00-10, with a total of 11 test chambers.
After some time, it was eventually made available to all Steam users, before being completely removed from Steam during the "Portal is Free" marketing campaign.
- The original NVIDIA bundle offer (archived)