| Keyword | CPC | PCC | Volume | Score |
|---|---|---|---|---|
| how much does portal cost on steam | 1.05 | 0.2 | 9085 | 74 |
| how much does portal 2 cost on steam | 1.01 | 0.1 | 639 | 88 |
| how much is portal 2 on steam | 1 | 0.2 | 9944 | 66 |
| how much does portal cost | 1.88 | 0.2 | 1468 | 76 |
| how much money does portal cost | 1.87 | 0.5 | 8439 | 95 |
| portal 2 price on steam | 0.54 | 0.3 | 8080 | 39 |
| how much is portal | 1.05 | 0.1 | 5835 | 7 |
| how much is portal game | 1.4 | 1 | 2839 | 75 |
| how much does the playstation portal cost | 1.65 | 0.6 | 6002 | 76 |
| how much money is portal | 0.66 | 0.3 | 2985 | 70 |
| is portal on steam | 1.09 | 0.7 | 9257 | 95 |
| how much does portal 2 cost | 1.22 | 0.6 | 1777 | 29 |
| portal on steam free | 1.4 | 0.5 | 9544 | 98 |
| portal 2 steam price history | 1.89 | 0.2 | 2262 | 25 |
| how much is portal 1 | 0.48 | 0.8 | 606 | 48 |
| how much is portal on xbox | 0.11 | 0.4 | 6847 | 28 |
| portal 2 steam sale | 1.06 | 0.4 | 7840 | 87 |
| portal 2 steam discount | 0.35 | 0.2 | 6335 | 99 |
| how much money has portal made | 0.66 | 0.8 | 752 | 84 |
| portal 2 free steam | 0.68 | 0.4 | 9092 | 97 |
