| Keyword | CPC | PCC | Volume | Score |
|---|---|---|---|---|
| portal 2 co op gameplay | 0.04 | 0.1 | 3911 | 1 |
| portal 2 online co op | 1.7 | 1 | 4285 | 62 |
| portal 2 co op mods | 1.52 | 0.3 | 5775 | 75 |
| portal 2 co op commands | 1.84 | 0.4 | 5444 | 4 |
| is portal 2 co op | 0.41 | 0.1 | 1561 | 65 |
| portal 2 walkthrough co op | 0.17 | 0.5 | 5894 | 3 |
| portal 2 co op 3-8 | 1.57 | 0.6 | 2309 | 59 |
| how to play portal 1 co op | 1.66 | 0.6 | 6438 | 42 |
| how to play portal 2 coop | 0.19 | 0.8 | 9153 | 92 |
| co op portal 2 guide | 1.52 | 0.3 | 7230 | 4 |
| youtube portal 2 coop | 0.05 | 0.1 | 9476 | 41 |
| how to play portal 2 coop online | 0.44 | 0.4 | 8715 | 14 |
| portal 2 co-op walkthrough | 1.16 | 1 | 5055 | 73 |
| portal 2 co-op guide | 1.05 | 0.2 | 3277 | 43 |
| portal 2 co-op ending | 1.67 | 0.6 | 8704 | 57 |
| how to play portal 2 local coop | 1.55 | 0.2 | 2638 | 49 |
| portal 2 coop full walkthrough | 1.6 | 1 | 7364 | 90 |
| how portal 2 coop works | 0.61 | 0.4 | 4922 | 59 |
| portal 2 local co-op | 0.85 | 0.5 | 56 | 20 |
| portal 2 coop walkthrough | 0.58 | 0.2 | 5561 | 49 |
| does portal 2 coop have a story | 1.19 | 0.1 | 6727 | 44 |
