| Keyword | CPC | PCC | Volume | Score |
|---|---|---|---|---|
| portal 2 free to play | 0.1 | 0.3 | 2155 | 16 |
| portal 2 free to play no download | 1.22 | 0.7 | 1929 | 43 |
| how to play portal 2 free on pc | 1.7 | 0.4 | 7163 | 49 |
| how to download portal 2 for free | 0.18 | 0.7 | 3397 | 19 |
| portal 2 free online | 0.02 | 1 | 694 | 28 |
| game play on portal 2 | 1.53 | 0.7 | 5160 | 9 |
| portal 2 full game | 1.71 | 0.2 | 9302 | 85 |
| portal 2 game download | 0.64 | 0.5 | 7964 | 35 |
| portal 2 online game | 1.78 | 0.1 | 1046 | 88 |
| portal 2 download free | 1.31 | 0.6 | 994 | 92 |
| portal 2 game free download | 0.29 | 0.5 | 6304 | 16 |
| download portal 2 free pc | 0.67 | 0.8 | 3539 | 46 |
| portal 2 free download full game pc | 2 | 0.6 | 5099 | 18 |
| portal 2 for free | 1.17 | 0.7 | 7835 | 42 |
| portal 2 download full game | 1.35 | 0.6 | 6459 | 48 |
| portal 2 free full game | 1.36 | 0.2 | 4816 | 52 |
