| Keyword | CPC | PCC | Volume | Score |
|---|---|---|---|---|
| portal 2 coop course 5 | 1.42 | 0.1 | 8889 | 7 |
| portal 2 coop course 5 chamber 2 | 1.34 | 0.3 | 9778 | 89 |
| portal 2 coop level 5 | 1.56 | 0.7 | 5394 | 3 |
| portal 2 coop course 3 chamber 8 | 1.33 | 0.4 | 2003 | 83 |
| portal 2 coop level 2 | 0.91 | 0.7 | 4369 | 74 |
| portal 2 coop course 4 chamber 7 | 1.6 | 1 | 1983 | 47 |
| how many courses in portal 2 coop | 0.82 | 0.1 | 1113 | 68 |
| portal 2 coop level 1 | 1.77 | 0.2 | 3363 | 45 |
| portal 1 in portal 2 coop | 1.44 | 0.9 | 207 | 40 |
| portal 2 coop level 3 | 0.81 | 0.7 | 4779 | 29 |
| portal 2 coop level 6 | 1.52 | 0.8 | 6050 | 38 |
| portal 2 coop level 4 | 1.05 | 0.8 | 6280 | 18 |
| portal 2 coop 5-6 | 1.92 | 0.4 | 3426 | 84 |
| portal 2 co-op course 7 | 0.6 | 0.2 | 5894 | 39 |
| portal 2 coop level | 0.09 | 0.8 | 7998 | 53 |
| portal 2 online coop | 1.86 | 0.6 | 6110 | 32 |
| portal 2 coop tutorial | 0.69 | 0.8 | 4220 | 19 |
| portal 2 coop 2-8 | 1.04 | 0.1 | 9442 | 42 |
| portal 2 coop full walkthrough | 0.44 | 0.7 | 8320 | 66 |
| portal 2 coop local | 1.44 | 0.2 | 6350 | 92 |
| how many levels in portal 2 coop | 1.88 | 0.6 | 1667 | 75 |
| co op portal 2 guide | 1.3 | 0.1 | 2627 | 14 |
| portal 2 coop course 6 | 1.41 | 0.5 | 1829 | 65 |
| portal 2 coop level 4 chamber 7 | 0.8 | 0.3 | 8552 | 23 |
