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Operation Lambda is a total conversion modification of Half-life 2, it is set on the homeworld of the Combine. You play a scientist from Black Mesa who disappeared in mysterious circumstances. Witness It.
For those of you who prefer a much more simple approach to your desktop wallpaper, and for those who love Operation Lambda, this is the wallpaper for you! The collection features all available resolutions. Created by Adam 'Blacklight' Sklar.