Illyn Forest is the third map in Research 7, one of the campaigns introduced in Alien Swarm: Reactive Drop.

Objectives Edit

  • Find a way past the blockage

There must be something to use in the caves nearby

  • Find a way to bypass the gate

Burn the biomass away

  • Rise the lift

You'll need to bring that lift up, hit the switch to activate it

  • Defend the generator

The swarm seem to be attracted to something, defend the generator!
If they damage it too much the lift won't reach you.

  • Get on the lift

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