Portal: Still Alive Test Chamber 12 (Bonus)
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Still Alive 12
stillalive12.bsp 
This test chamber is the twelfth bonus level of the game. It is taken from Portal: The Flash Version MapPack. The challenges of this level are unlocked when the test chamber is completed once.
Hazards
Walkthrough
- To do
Video walkthrough
Award requirements (challenge mode)
| Portals | Steps | Time | ||||||
|---|---|---|---|---|---|---|---|---|
| Bronze | Silver | Gold | Bronze | Silver | Gold | Bronze | Silver | Gold |
| 29 Portals | 18 Portals | 13 Portals | 180 Steps | 155 Steps | 135 Steps | 115 Seconds | 90 Seconds | 83 Seconds |