All you NVIDIA video card owners out there can get a free copy of Portal: First Slice
just by hitting the link and installing Steam. Oh yeah, you’ll also need to have a NVIDIA card installed in your system though.
For a limited time, a free copy of Portal: First Slice is available exclusively to all NVIDIA customers. Portal: First Slice is an extended demo of the unique new game from Valve that has earned numerous Game of the Year awards.
Free Portal Demo For NVIDIA Owners - www.Tech-Dump.com