This is the flowchart for all endings in the original Half-Life 2 mod.
Normal text indicates a point of divergence; bold text indicates an ending; highlighted green text indicates the Freedom Ending.
Note that this starts directly in the Two Doors Room, since there are no secrets or endings hidden in this office.
- Go through left door.
- Go upstairs to access boss's office. In the mind control facility:
- Turn "Disable Generator" valve for Freedom Ending.
- Turn "Engage Generator" valve for Countdown Ending.
- Go downstairs for Mariella Ending.
- Go upstairs to access boss's office. In the mind control facility:
- Go through right door.
- Go up the elevator for an ending similar to the Museum Ending.
- Go down the elevator for the Colored Doors Room.
- Go through the red door for an ending similar to the Apartment Ending.
- Go through the blue door repetitively for the Games Ending.