| Keyword | CPC | PCC | Volume | Score |
|---|---|---|---|---|
| game play on portal 2 | 1.88 | 0.1 | 8839 | 98 |
| portal 2 game free play | 0.76 | 0.7 | 6198 | 76 |
| play portal 2 free | 1.44 | 0.1 | 8055 | 61 |
| portal 2 game download free | 0.86 | 0.9 | 4032 | 53 |
| is portal a 2 player game | 0.24 | 0.4 | 9892 | 66 |
| portal 2 game playstation | 0.27 | 0.9 | 7417 | 17 |
| portal 2 online free play | 0.65 | 0.1 | 6397 | 73 |
| portal 2 download full game | 1.85 | 0.3 | 1842 | 92 |
| where to play portal 2 | 1.44 | 0.4 | 9923 | 44 |
| portal 2 free full game | 0.44 | 0.5 | 1913 | 90 |
