| # | Unlocked | Locked | Name | Beschreibung | Spieler | Global |
|---|---|---|---|---|---|---|
| 1 |
|
| Volunteer | 162 | 91.2% | |
| 2 |
|
| Hired | 123 | 62.4% | |
| 3 |
|
| To the surface and beyond | 92 | 49% | |
| 4 |
|
| Upgrade? | 83 | 43.6% | |
| 5 |
|
| Journey Complete | 73 | 40.1% | |
| 6 |
|
| New friends | 69 | 37% | |
| 7 |
|
| Let's do this one last time | 66 | 34.2% | |
| 8 |
|
| Back to bed | 60 | 29.8% | |
| 9 |
|
| The boring solution | Solve Chamber 6-6 the boring way | 50 | 25.9% |
| 10 |
|
| Sending a message | Blow up a test chamber sign | 40 | 20.7% |
| 11 |
|
| Bullseye | Get the ball in 4-10 to land perfectly in the socket | 43 | 20.2% |
| 12 |
|
| The fun solution | Solve Chamber 6-6 the fun way | 38 | 17% |
| 13 |
|
| Endless loop | Fling in an endless loop in Chamber 4-11 | 27 | 13.2% |
| 14 |
|
| Captivating Looks | Stare at Conly's mannequins for a really long time | 21 | 7.3% |
| 15 |
|
| Just in time | Deplete the conveyors' supply of Weighted Storage Cubes | 19 | 5.6% |
| 16 |
|
| Supply Chain Problems | Deplete the gel supply in Chamber 4-11 | 19 | 5.3% |
| 17 |
|
| Pacifist | Complete the Chamber 4-9 without knocking over any turrets | 18 | 5.3% |
| 18 |
|
| Refreshing shower | Take a shower under one of the gel cleansing fields | 18 | 5.2% |
| 19 |
|
| Still a pacifist | Complete Chamber 5-1 without destroying any turrets | 18 | 5.1% |
| 20 |
|
| Two times the charm | Solve the Chamber 6-2 twice | 21 | 5.1% |
| 21 |
|
| Fingerprinter | Smear your dirty fingers over Aperture's beautiful glass | 17 | 4.5% |