Portal Co-Writer Erik Wolpaw Wants Valve to Let Him Work on Portal 3: 'I'm Not Getting Any Younger' - IGN - IGN

1. Portal Co-Writer Erik Wolpaw Wants Valve to Let Him Work on Portal 3: 'I'm Not Getting Any Younger' - IGN  IGN
2. Portal writer says he wants to start Portal 3 because he's 'not getting any younger' | VGC  Video Games Chronicle
3. Portal writer urges Valve to 'start Portal 3'  PC Gamer
4. Portal writer Eric Wolpaw wants to make Portal 3  Gamepur