Half-Life Preliminary Findings CD

Half-Life Series
#1

All the footage from the promotional Preliminary Findings CD of Half-Life made into one movie as a sort of Making Of. The disc contains gameplay movies, interviews with several Valve employees, screen shots and tons of game info.
10 cool minutes.
youtube.com/watch?v=XE7cGg4qL_I

Founded in 2004, Leakfree.org became one of the first online communities dedicated to Valve’s Source engine development. It is more famously known for the formation of Black Mesa: Source under the 'Leakfree Modification Team' handle in September 2004.