What Goes Up Must Come Down is one of the ten network levels in Marathon.
This level features a diverse selection of powerful weapons and multiple teleporters to access different areas quickly.
Additionally, this level has several slow moving platforms that players can be easily killed while waiting to ascend.
- There is an alcove in the corner of the square room that can be gotten to by running up the stairs and making a left turn in midair.
Marathon - Network Level: What Goes Up Must Come Down