Portal Test Chamber 15 (Bonus)
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This is the third Bonus map of the game. It is unlocked when the original Test Chamber 15 has been completed.
Test Chamber 15 (Bonus)
testchmb_a_10.bsp 
Hazards
Strategy
Portals
-To do-
Steps
-To do-
Time
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Award requirements
| Portals | Steps | Time | ||||||
|---|---|---|---|---|---|---|---|---|
| Bronze | Silver | Gold | Bronze | Silver | Gold | Bronze | Silver | Gold |
| 23 Portals | 21 Portals | 14 Portals | 75 Steps | 65 Steps | 55 Steps | 105 Seconds | 85 Seconds | 54 Seconds |
Video strategies
-To do-