Furthermore, unlike the official Steam version, the RUNE release does not require you to be online to access the "HARM Room" or single-player events. You can change your system clock to trigger old seasonal events (like the Red Room Takeover or Cosmic Cube).
The term "Definitive Edition" in gaming typically refers to a version of a game that includes all previously released content, often at a lower price than buying each component separately. It might also feature enhancements, such as improved graphics, new levels, characters, or game modes. Marvels Avengers The Definitive Edition-RUNE