Released as the first major update, this expansion focuses on expanding the story after the main campaign ends.

Note: This usually requires specific hardware or software workarounds to play on standard controllers/KBM. 🛠️ Summary of Key Features Description 🤖 Adds "Art Therapy" track (approx. 2-3 hours of gameplay). 📊 Leaderboards Tracks efficiency (time/portals) across the community. 🏗️ Puzzle Maker In-game tool for creating and sharing custom test chambers. 🌌 Infinite Content

Because the "Complete" experience often involves the modding community, these free standalone titles are highly recommended:

Access to nearly 1 million user-generated levels via Workshop. 🌟 Notable Community "DLC" (Mods)

The "Complete" edition typically refers to the base game along with the three primary official expansions. 1. Peer Review (DLC 1)