The "BRRip" source is evident here. The 1080p resolution holds up well on smaller screens, but on a 4K monitor, the limitations of the x264 encode start to show. There is occasional macro-blocking in dark scenes—a common issue with Xenomorph-heavy sequences—but the color grading remains faithful to the original Blu-ray source. The "Special Edition" cuts are mostly seamless; however, there are two instances where the audio bitrate shifts noticeably, reminding you that this is a fan project.
The release group tag. In the digital archiving community, certain groups are trusted for their rigorous quality control, lack of artifacting, and perfect audio-to-video synchronization.
If you want to experience Prometheus the way it was truly meant to be experienced—with its intelligence, horror, and grandeur intact—this special edition is the version you need to watch.