| Keyword | CPC | PCC | Volume | Score |
|---|---|---|---|---|
| portal 2 coop level 1 | 0.88 | 0.5 | 6005 | 32 |
| portal 2 coop levels | 1.49 | 1 | 2632 | 5 |
| portal 2 coop level 3 chamber 8 | 0.73 | 0.7 | 8029 | 57 |
| portal 2 coop level 6 | 1.91 | 0.2 | 3433 | 58 |
| portal 2 coop level 2 | 1.97 | 0.4 | 6989 | 19 |
| portal 2 coop level 4 | 1.22 | 0.1 | 6096 | 9 |
| portal 2 coop level 3 | 1.06 | 0.3 | 4699 | 80 |
| portal 2 coop level 5 | 0.18 | 0.3 | 4664 | 88 |
| portal 2 coop level 4 chamber 7 | 1.87 | 0.8 | 5914 | 96 |
| portal 2 coop level 5 chamber 8 | 0.31 | 0.6 | 1767 | 38 |
| portal 2 coop 100 save file | 0.89 | 0.1 | 6966 | 63 |
| portal 2 coop 100 save game | 1.32 | 0.7 | 7444 | 73 |
