| Keyword | CPC | PCC | Volume | Score |
|---|---|---|---|---|
| portal 2 glados in portal 1 | 0.15 | 0.4 | 6430 | 81 |
| glados portal 1 vs portal 2 | 1.56 | 0.9 | 5989 | 5 |
| glados portal 1 vs portal 2 ending | 1.52 | 0.8 | 1535 | 57 |
| glados portal 1 vs portal 2 fight | 1.96 | 0.9 | 1247 | 71 |
| glados portal 1 vs portal 2 quotes | 1.69 | 0.4 | 8129 | 16 |
| glados portal 1 vs portal 2 voice | 0.92 | 1 | 2248 | 45 |
| glados portal 1 vs portal 2 comparison | 1.35 | 0.8 | 3172 | 50 |
| glados portal 1 vs portal 2 differences | 0.03 | 0.9 | 6122 | 48 |
| glados portal 1 vs portal 2 song | 0.86 | 0.4 | 5553 | 66 |
| glados portal 1 vs portal 2 story | 1.71 | 0.4 | 4165 | 22 |
| glados portal 1 vs portal 2 personality | 0.21 | 0.2 | 8403 | 40 |
| portal 1 glados vs portal 2 glados | 0.19 | 0.9 | 3331 | 54 |
