| Keyword | CPC | PCC | Volume | Score |
|---|---|---|---|---|
| portal 1 in portal 2 coop | 0.26 | 0.3 | 5090 | 65 |
| how to play portal 1 in portal 2 coop | 0.17 | 0.3 | 8709 | 12 |
| portal 2 coop level 1 | 0.58 | 0.7 | 8186 | 13 |
| is portal 1 coop | 0.44 | 0.2 | 6609 | 63 |
| portal 2 coop level 2 | 0.86 | 0.8 | 2717 | 71 |
| play coop portal 2 1 account | 1.74 | 0.7 | 7886 | 20 |
| is portal 2 coop | 1.5 | 0.5 | 7455 | 67 |
| portal 2 coop 2-8 | 1.15 | 0.2 | 9717 | 64 |
| portal 2 coop local | 1.43 | 0.8 | 1846 | 52 |
| is portal 2 online coop | 1.89 | 0.2 | 2192 | 8 |
| how portal 2 coop works | 1.07 | 0.1 | 9853 | 1 |
| how to play portal 2 coop online | 0.54 | 0.6 | 5826 | 31 |
| portal 2 coop level | 0.27 | 0.7 | 8493 | 94 |
| portal 2 coop 5-6 | 0.35 | 0.7 | 5250 | 22 |
| how to play portal 2 coop | 1.83 | 0.4 | 1571 | 12 |
| portal 2 coop tutorial | 0.83 | 0.3 | 1757 | 60 |
| portal 2 coop story | 1.75 | 0.1 | 9361 | 65 |
| portal 2 coop course 6 | 1.08 | 0.2 | 6570 | 23 |
| youtube portal 2 coop | 0.93 | 0.1 | 3059 | 47 |
| portal 2 online co op | 0.7 | 0.9 | 6582 | 18 |
| portal 2 co-op | 1.74 | 0.9 | 2050 | 1 |
