| Keyword | CPC | PCC | Volume | Score |
|---|---|---|---|---|
| portal 2 extra levels | 0.89 | 0.2 | 9047 | 68 |
| portal 2 level 7 | 2 | 1 | 9760 | 51 |
| how to beat portal 2 level 7 | 0.44 | 0.7 | 8539 | 69 |
| portal 2 level 2 | 0.23 | 0.9 | 2379 | 14 |
| portal 2 level 6 | 1.23 | 0.5 | 4398 | 30 |
| portal 2 level 11 | 1.68 | 0.2 | 8056 | 66 |
| portal 2 all levels | 1.62 | 0.8 | 1207 | 29 |
| portal 2 level 12 | 1.49 | 0.8 | 4578 | 91 |
| portal 2 level 4 | 1.95 | 0.8 | 5126 | 64 |
| portal 2 level 8 | 1.53 | 1 | 3520 | 9 |
| portal 2 how to complete all levels | 0.99 | 0.9 | 6788 | 32 |
| portal 2 levels list | 0.14 | 0.4 | 4359 | 9 |
| portal 2 level 5 | 1.94 | 0.4 | 3155 | 11 |
| portal 2 level 14 | 1.67 | 0.4 | 9580 | 17 |
| portal 2 level 17 | 0.3 | 0.9 | 9544 | 68 |
| portal 2 level 20 | 0.66 | 0.5 | 3542 | 43 |
| portal 2 level 27 | 1.52 | 0.4 | 8887 | 2 |
| portal 2 coop extra levels | 0.44 | 0.3 | 4955 | 45 |
| portal 2 companion extra level 6 | 1.59 | 0.3 | 3835 | 23 |
| portal 2 multiplayer levels | 0.04 | 0.7 | 8990 | 60 |
| portal 2 single player levels | 1.95 | 0.6 | 5883 | 79 |
| how to beat portal 2 level 2 | 0.83 | 0.6 | 9205 | 38 |
| portal 2 final level | 1.32 | 0.1 | 8304 | 96 |
| portal 2 level walkthrough | 0.34 | 0.4 | 4194 | 21 |
