Most media we consume online is heavily compressed to save bandwidth. This leads to "artifacting"—those blocky squares you see in dark scenes—and "color banding."

This appears to be a specific release or upload tag (v0271) by a creator known as

: Details on using items like the master key to enter specific apartments or completing multi-day training sequences at the store.

"Extra Quality" files are significantly larger than standard ones. If a 4K render pack is only a few megabytes, it is likely not the real deal.

The term in your query likely refers to a specific repack or high-resolution version of the game assets often hosted on file-sharing sites. Mi Única Hija Walkthrough v0.27.1 | PDF - Scribd