"e3_depot" is a map from HL2 Beta, ported to Missing Information. That map was meant to be shown at E3 2002. It's a "Westeland" map, in which the Combines fight antlions. A Gunship then begins to pursue Gordon, but the latter manages to flee thanks to a Buggy. Our scientist, once arrived at a lighthouse, finds a rocket launcher to destroy the Gunship. Gordon descends from the lighthouse to cross a long corridor leading to the unknown... (The next map is in Half-Life 2 Beta).
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