This is a mod made by a Korean mapper. The read me is almost empty. It seems to be a remake of Half-Life! It starts with a tram ride, followed by collecting your hazard suit, then pushing the material into the test chamber and watch things go wrong.
This review may contain spoilers
Excelent mod! Excelent mod! Excelent mod! Excelent mod! Excelent mod! Excelent mod! Excelent mod! Excelent mod!