Portal Test Chamber 03
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This chamber is the fourth level of the game and introduces the player to basic portal placement.
Test Chamber 03
testchmb_a_01.bsp 
Hazards
None
Walkthrough
- Place a portal on a nearby wall and walk through it.
- Look to the right to see the chamberlock, fire a portal at one of the walls near it. Walk back through the portal.
- Proceed in to the chamberlock.
