| Hint | Answer | % Correct |
|---|---|---|
| The playable character | Mel | 93%
|
| The company you 'work' for | Aperture Science | 78%
|
| The person who the above impersonates | Cave Johnson | 74%
|
| The above's main rival | Black Mesa | 67%
|
| The core who guides you | Virgil | 67%
|
| The main antagonist | AEGIS | 63%
|
| The number that is seen many times | 2056 | 48%
|
| What you end up testing | Portal Gun | 48%
|
| The hidden core that is rather... colourful | Rainbow Core | 44%
|
| Tune that can be heard on several radios | Still Alive | 44%
|
| What you were meant to be testing | Short-Term Relaxation Vault | 26%
|
| The name of the credits song | Time and Time Again | 26%
|
| What the above stands for | Aperture Employee Guardian and Intrusion System | 22%
|
| The name of the above | Old Reliable | 11%
|
| The structure that the above blows up | Toxic Goo Pumping Station | 7%
|