Main Walkthrough

This section provides a comprehensive walkthrough for the main story of Portal, guiding you through each test chamber and beyond. We'll break down each chamber into manageable steps, offering strategies and solutions to help you progress. Remember to pay attention to GLaDOS's instructions, as she often provides hints (albeit with a sarcastic twist). The game is designed to teach you new mechanics incrementally, so don't be afraid to experiment with your Portal Gun. Each chamber builds upon previous concepts, leading to increasingly complex and rewarding puzzles. Prepare for a journey filled with physics-defying stunts and witty banter.