Because this is an unofficial .rar file from third-party sites:
: Archives of this type are frequently used to bundle adware or trojans. Run it through VirusTotal before opening.
: A modified .exe file to allow the game to run without an official activation key (since the activation servers are offline). Angry.Birds.Space.Update.13.11.2017.rar
: Unlockable "Eggsteroids" and "Danger Zone" levels. ⚠️ Security Warning
Since the official PC versions of Rovio games were discontinued around 2014, updates released in 2017 are usually "repacks" or "patches" created by the community to add content that was previously mobile-exclusive. 🐣 Likely Content Because this is an unofficial
: If you downloaded this from a "free software" or "abandonware" site, ensure the community comments verify the file is clean.
: Parallel versions of existing levels with higher difficulty. : Unlockable "Eggsteroids" and "Danger Zone" levels
: This was the final major version. It usually contains all planets/episodes: Pig Dipper : Water-physics levels. Cosmic Crystals : Brittle planets and hidden riches. Beak Impact : Large-scale asteroid levels. Brass Hogs : Steampunk-themed levels. Solar System : Educational levels based on real planets.