Portal Test Chamber 18 (Bonus)
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Test Chamber 18
testchmb_a_14.bsp 
This is the sixth Bonus map of the game. It is unlocked when the original Test Chamber 18 has been completed.
Hazards
Strategy
Portals
- in progress -
Steps
- in progress -
Time
- in progress -
Award requirements
| Portals | Steps | Time | ||||||
|---|---|---|---|---|---|---|---|---|
| Bronze | Silver | Gold | Bronze | Silver | Gold | Bronze | Silver | Gold |
| 30 Portals | 25 Portals | 16 Portals | 150 Steps | 120 Steps | 85 Steps | 130 Seconds | 120 Seconds | 73 Seconds |