Portal: First Slice
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|Portal: First Slice|
January 9, 2008
Originally Nvidia hardware
Portal: First Slice is the demo version of Portal.
Portal: First Slice consists of test chambers 00-10, with a total of 11 test chambers.
It was released on Steam on January 9 of 2008, originally available exclusively to the Nvidia graphics chipset owners. The demo was distributed along with Half-Life 2: Deathmatch, Peggle Extreme, and Half-Life 2: Lost Coast. Four months after the initial release, it was made available to all Steam users.
First Slice can not be installed by the users who already own Portal, attempting to do so will download the full game instead. The demo was also temporarily unavailable during the "Portal is Free" marketing campaign.
- Valve and NVIDIA Offer Portal: First Slice Free to GeForce Users on Steampowered.com
- Everyday Shooter Makes PC Debut on Steam Today on Steampowered.com