| Keyword | CPC | PCC | Volume | Score |
|---|---|---|---|---|
| should you play portal 1 before 2 | 1.29 | 0.7 | 5189 | 13 |
| should i play portal 1 before 2 | 0.09 | 0.9 | 4313 | 5 |
| should i play portal 1 before portal 2 | 0.63 | 0.4 | 4610 | 64 |
| should i get portal 1 or 2 | 0.32 | 0.1 | 32 | 96 |
| can you play portal 1 online | 1.97 | 0.1 | 4451 | 12 |
| portal 2 how to play | 0.59 | 0.6 | 7718 | 50 |
| can you play portal 2 single player | 0.53 | 0.9 | 8316 | 71 |
| should i buy portal 1 or 2 | 0.15 | 0.2 | 1865 | 61 |
| can you play portal 2 online | 1.75 | 0.7 | 2299 | 93 |
| how to play portal 1 multiplayer | 0.12 | 0.7 | 7661 | 53 |
| is portal 1 2 player | 1.2 | 0.4 | 8649 | 3 |
| portal 2 play time | 1.67 | 0.2 | 6741 | 86 |
| is portal 2 better than 1 | 1.5 | 0.4 | 7287 | 36 |
| portal 2 not opening | 1.3 | 1 | 5568 | 52 |
| how to get portal 2 | 1.12 | 1 | 5836 | 12 |
| how to complete portal 2 | 1.53 | 0.7 | 877 | 22 |
| does portal 1 have multiplayer | 1.02 | 0.4 | 1472 | 31 |
