Portal: Revolution is a massive, fan-made prequel to Portal 2. The "long story" you're looking for refers to its narrative campaign, which bridges the gap between the first and second games. The Plot Summary
Portal Revolution v1.7.0 Repack by KaOs is a highly compressed version of the community-made mod for portalrevolutionv170repackkaos
Difficulty Curve: While it starts accessible, the later puzzles (especially in the "Spire" chapters) are designed to challenge veteran Portal players. Portal: Revolution is a massive, fan-made prequel to
Do not run this file if you have not verified its hash. Portal: Revolution is a massive