| Keyword | CPC | PCC | Volume | Score |
|---|---|---|---|---|
| portal 2 single player levels | 1.91 | 0.6 | 7634 | 38 |
| portal 2 single player | 0.4 | 0.3 | 4747 | 89 |
| portal 2 all levels | 0.43 | 0.5 | 9473 | 5 |
| portal 2 single player walkthrough | 0.55 | 0.8 | 1115 | 54 |
| portal 2 2 player | 1.9 | 0.9 | 3138 | 14 |
| how many levels portal 2 | 0.81 | 0.1 | 8265 | 35 |
| portal 2 level 2 | 1.34 | 0.6 | 1930 | 26 |
| portal 2 single player duration | 0.84 | 0.4 | 6353 | 52 |
| portal 2 how to complete all levels | 1.38 | 0.3 | 258 | 44 |
| is portal 1 2 player | 0.99 | 0.1 | 1688 | 24 |
| portal 2 two player | 0.78 | 1 | 2458 | 51 |
| portal 2 levels list | 0.11 | 0.1 | 3568 | 87 |
| portal 1 two player | 0.67 | 0.8 | 9465 | 88 |
| portal 2 player count | 0.84 | 0.8 | 406 | 89 |
| how many players is portal 2 | 0.18 | 0.3 | 1537 | 11 |
| portal 2 multiplayer guide | 1.22 | 0.1 | 2619 | 28 |
