| Keyword | CPC | PCC | Volume | Score |
|---|---|---|---|---|
| is portal 2 co op | 1.59 | 1 | 6666 | 50 |
| is portal 2 co op online | 0.34 | 0.8 | 9300 | 87 |
| is portal 2 coop cross platform | 0.7 | 0.9 | 2642 | 33 |
| is portal 2 coop canon | 1.28 | 0.6 | 5507 | 68 |
| portal 2 final co op course | 0.27 | 0.1 | 7906 | 21 |
| does portal 2 have local co op | 0.95 | 0.8 | 7136 | 96 |
| portal 2 walkthrough co op | 0.36 | 0.7 | 2950 | 45 |
| how to restart co op mode in portal 2 | 0.04 | 0.5 | 4891 | 8 |
| portal 2 walkthrough co op secret | 0.41 | 0.8 | 1250 | 8 |
| does portal 2 co op save | 0.07 | 0.9 | 9321 | 56 |
| is portal 2 local co op | 1.65 | 0.9 | 1644 | 79 |
| portal 2 co op levels | 1.5 | 0.5 | 9516 | 3 |
| portal 2 co op gameplay | 0.63 | 0.6 | 204 | 60 |
| portal 2 co op save progress | 1.03 | 1 | 9028 | 71 |
| portal 2 co-op ending | 0.06 | 0.1 | 4582 | 77 |
| portal 2 co op 1-6 | 0.33 | 0.7 | 3884 | 71 |
| portal 2 co op 3-8 | 1.06 | 0.7 | 2247 | 92 |
| portal 2 co op mods | 1.22 | 0.2 | 3675 | 96 |
| portal 2 co op steam | 1.94 | 0.1 | 125 | 44 |
| portal 2 co-op guide | 1.74 | 1 | 1332 | 73 |
| portal 2 co op robots | 1.42 | 0.9 | 1675 | 31 |
| portal 2 co op level 5 | 1.87 | 1 | 2011 | 34 |
| portal 2 co op walkthrough chapter 3 level 8 | 0.54 | 0.9 | 7219 | 38 |
| portal 2 co-op walkthrough | 0.52 | 0.4 | 5809 | 99 |
