On June 1st, 2009, Left 4 Dead 2 was officially announced on the E3 show floor. Immediately following, an early Left 4 Dead 2 play-testing build, or beta, was available for those at the event who wanted to try it. While it may have operated like a reskinned version of the game's predecessor Left 4 Dead, hardcore fans noticed the unique assets and attributes of this early build, therefore, incurring a passionate audience. Unfortunately, Left 4 Dead 2's E3 Beta was never released to the public, and the build was thought to be forever lost, yet the footage surrounding it still remained. Fortunately, Valve permitting custom modding into their franchises, gave content creators infinite opportunities to create their own Left 4 Dead 2 addons, which lead many to develop, restore, or re-imagine Left 4 Dead 2 Pre-release content. On March 3rd, 2012, Gigan developed one of the first-ever Left 4 Dead 2 modding packages to date, consisting of the only beta-themed modifications existing at that time. The Left 4 Dead 2 Beta Pack was born. Overtime, the Beta Pack evolved into a fully structured project consisting of many more professional modders, designers, and content creators.

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This project's purpose is to give the Valve gaming community a close replication of the Left 4 Dead 2 E3 Demo, an early build of Left 4 Dead 2 that showcases many unused designs, features, and concepts. This project allows players to relive the unique Left 4 Dead 2 experience brought to players at E3 2009!