| Keyword | CPC | PCC | Volume | Score |
|---|---|---|---|---|
| portal 2 steam key free | 0.74 | 1 | 3198 | 13 |
| portal 2 free steam | 1.69 | 0.4 | 6579 | 26 |
| portal 2 free download for steam | 2 | 0.7 | 6175 | 18 |
| portal 2 on steam | 1.89 | 0.3 | 6024 | 43 |
| portal 2 steam code | 0.13 | 0.1 | 5033 | 47 |
| portal 2 download archives steam | 1.31 | 0.3 | 685 | 25 |
| portal 2 no steam download | 0.54 | 0.9 | 8956 | 75 |
| portal 2 steam unlocked | 1.43 | 0.8 | 3090 | 27 |
| steam portal 1 2 | 0.53 | 0.3 | 621 | 15 |
| portal 2 free download steamunlocked | 1.15 | 0.5 | 1162 | 94 |
| portal 2 mods steam | 0.75 | 0.4 | 1024 | 92 |
| portal 2 pc key | 1.96 | 0.6 | 7699 | 34 |
| portal 2 download steamunlocked | 0.31 | 0.1 | 8584 | 53 |
| portal 2 steam db | 0.15 | 0.3 | 3740 | 95 |
| portal 2 steam id | 1.7 | 1 | 5373 | 6 |
