| Test Name | Solution? |
|---|---|
| Contact | |
| SPAAAAAAAAAAAAAAAAAACE | |
| Engineer's Notes | |
| How Have You Been | |
| Reverse Engineering | |
| Aerial Shot | |
| Assembly Required | |
| The Cake is a Lie |
| Prototypes |
| Mid-Test Surprise |
| Fast Talk | |
| Settlements | |
| Dark, Dangerous Rooms | |
| Across Word | |
| Connect 4 | |
| Carpe Shoot'em | |
| GLaDOS' Revenge | |
| Sing-Along Cookbook |
| Test Chamber Checklist |
| Guided Tour |