Lana's Vents is the fourth map in Lana's Escape, one of the campaigns introduced in Alien Swarm: Reactive Drop.
- Find your way out of the vents.
- Find an exit door leading to the outside.
- Input the correct detonation sequence.
- In order to set off the explosives, you will have to input the correct detonation sequence.
- Activate T75.
- Colonists will have set up explosive charges on the platforms. We have no information regarding the exact location of these charges. Stay on your toes, Marines!
- The platforms will be destroyed quickly after the detonation, so proceed to the facility's main complex with haste.