| Keyword | CPC | PCC | Volume | Score |
|---|---|---|---|---|
| portal 2 online co op | 0.08 | 0.3 | 4149 | 38 |
| co op portal 2 guide | 1.04 | 0.3 | 1188 | 29 |
| is portal 2 co op | 1.44 | 0.4 | 9197 | 59 |
| portal 2 co op levels | 0.14 | 0.4 | 9133 | 25 |
| portal 2 co op 3-8 | 1.22 | 0.8 | 7906 | 99 |
| portal 2 co op commands | 0.23 | 0.4 | 1984 | 46 |
| portal 2 co op mods | 1.71 | 0.6 | 1422 | 82 |
| portal 1 in portal 2 coop | 1.01 | 0.4 | 7325 | 58 |
| portal 2 coop level 2 | 0.29 | 0.9 | 5708 | 78 |
| portal 2 coop online | 0.02 | 0.2 | 2702 | 13 |
| portal 2 co-op guide | 0.99 | 0.4 | 9166 | 86 |
| how to play portal 2 coop online | 1.12 | 0.6 | 4464 | 96 |
| portal 2 coop extra levels | 0.88 | 0.1 | 3299 | 87 |
| how portal 2 coop works | 0.87 | 0.2 | 9962 | 12 |
| how to play portal 2 coop | 1.22 | 0.5 | 147 | 24 |
| does portal 2 have online co op | 1.61 | 0.1 | 3783 | 8 |
| is portal 2 coop online | 1.7 | 0.7 | 2158 | 4 |
| is portal 2 local co op | 0.76 | 0.2 | 2726 | 17 |
| portal 2 campaign co op | 1.42 | 0.9 | 8362 | 24 |
| portal 2 coop local | 1.38 | 0.9 | 797 | 43 |
| portal 2 coop 2-8 | 0.02 | 0.5 | 6343 | 94 |
