Based on the Portal: The Flash Version. This Mappack brings all of the 40 levels plus some more originals. The story takes place before the events of Portal and shows you the enrichment center from another perspective. This Mappack includes ALL 40 levels from the Flash version, additional bonus levels and features. All together, we've got here over three and a half hours of amazing gameplay.

Portal: The Flash Version Mappack

Related to Full Version

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