Media Summary: All four 'Investment Opportunity' segments, the valentine and multiverse videos all upscaled to 4K60 with Topaz software. Portal 2 TV Spot Trailer HD PC PS3 XBOX 360 Introducing the Perpetual Testing Initiative (PeTI) for
Portal 2 Tv Spot Hd - Detailed Analysis & Overview
All four 'Investment Opportunity' segments, the valentine and multiverse videos all upscaled to 4K60 with Topaz software. Portal 2 TV Spot Trailer HD PC PS3 XBOX 360 Introducing the Perpetual Testing Initiative (PeTI) for
![Portal 2 TV Spot [HD]](https://i.ytimg.com/vi/7hGgApXu7bU/mqdefault.jpg)
![Portal 2: TV Commercial Ad Spot [HD]](https://i.ytimg.com/vi/STWxi-GDUiQ/mqdefault.jpg)
![Portal 2 - Official Launch TV Ad [HD]](https://i.ytimg.com/vi/s4B8HBIAfYg/mqdefault.jpg)
