Wow!

- The puzzles are unique and engaging, with a perfect balance of ease and challenge.
- The game has a real sense of progression, as your character cleverly alternates between different objectives, companions/guides and surroundings.
- The atmosphere of the game is extremely immersive. Reasons for this include the incredible design of the vast 'Aperture Science facility' and the immaculate voice acting.
- The comedy is very well written, even by Valve's standards.
- Combustible lemons.

Wow! - The puzzles are unique and engaging, with a perfect balance of ease and challenge. - The game has a real sense of progression, as your character cleverly alternates between different objectives, companions/guides and surroundings. - The atmosphere of the game is extremely immersive. Reasons for this include the incredible design of the vast 'Aperture Science facility' and the immaculate voice acting. - The comedy is very well written, even by Valve's standards. - Combustible lemons.