In the gaming community, "highly compressed" usually refers to pirated versions of games that have been shrunk down to a smaller file size. Legitimate digital distribution platforms (like Steam) provide the game in its necessary, compressed format. You cannot safely download a "Highly Compressed" version of a game like Green Hell from a random website and expect it to be safe or functional.
You can find the latest version (v2.9.1 as of March 2025) and purchase the game through official retailers like Steam or Softonic . Green Hell Download Pc Highly Compressed