1. The single-player portion of Portal 2 introduces a cast of dynamic new characters, a host of fresh puzzle elements, and a much larger set of devious test chambers.
2. Portal 2 draws from the award-winning formula of innovative gameplay, story, and music that earned the original Portal over 70 industry accolades and created a cult following.
3. The game’s two-player cooperative mode features its own entirely separate campaign with a unique story, test chambers, and two new player characters.
4. Players will explore never-before-seen areas of the Aperture Science Labs and be reunited with GLaDOS, the occasionally murderous computer companion who guided them through the original game.
Recommendations: It is recommended you have double the RAM recommended by the above and Game makers above. The ROM should also be less than 5% of the Available Space on your computer or a maximum 15%.
If you ever run into problems playing the game or getting it to work for your PC or computer, here are some steps you can take: