| Hint | Answer | % Correct |
|---|---|---|
| Silent Protagonist | Gordon Freeman | 98%
|
| Peculiar behaving 'employer' | The G-Man | 86%
|
| Hulking Robot | D0g | 81%
|
| Wears a prosthetic leg | Dr. Eli Vance | 79%
|
| Close friend of protagonist | Alyx Vance | 78%
|
| Appointed ruler of Earth | Dr. Wallace Breen | 68%
|
| Leading scientist against Combine | Dr. Isaac Kleiner | 64%
|
| Playable character in Half-Life: Blue Shift | Barney Calhoun | 62%
|
| Priest of Ravenholm | Father Grigori | 57%
|
| Greets protagonist at Black Mesa East | Dr. Judith Mossman | 51%
|
| Playable character in Half-Life: Opposing Force | Adrian Shephard | 48%
|
| Runs White Forest Base | Dr. Arne Magnusson | 42%
|
| Leads resistance town on the coast outside City 17 | Colonel Odessa Cubbage | 31%
|
| First appears in Half-Life: Decay | Dr. Rosenberg | 12%
|