Starship Troopers: Ultimate Bug War! brings two campaigns for the players to experience: Human and Bug. These are two different experiences full of action-packed sequences to conquer planets. Check out the game’s Steam page for more information.
We have already covered the Human missions, so this walkthrough will follow the Bug Missions that you can select from the main menu.
Table of contents
Bug Mission 1: Operation Initiate

In Operation Initiate, you take control of the Assassin Bug, which has three forms: Normal, Hopper, and Tanker; all forms provide unique moves. There are three objectives in this mission.
Crater Outpost

Reach the cliff and switch to the Hopper form to cross a gap and enter the Crater Outpost. Break all the doors and defeat all the troopers to take over it, and then move towards the Cliffside Outpost.
If the Troopers outnumber you, use the Hopper form and skydive onto them to unleash a massive shockwave.
Cliffside Outpost

The Cliffside Outpost covers the base with electric pylons, so locate its power line and break the generator. Destroying all the human tents is a must to take over the outpost.
Destroy The Command Base

With both Outposts destroyed, head to the Command Base and destroy four generators to bring the shield down. Additionally, break the doors, turrets, and human tents to finally end this mission.
Bug Mission 2: Operation Shadow

Operation Shadow drops you into the first Human Mission area, where you have to destroy three outposts at night and become a human’s nightmare.
Airstrip Outpost

Since the Airstrip Outpost is near you, go there first. Destroy two generators and human tents to terrorize the outpost and secure it for the bugs.
Beware of the M7 Razorback as it deals significant damage; use the Hopper form and skydive on it.
Crater Outpost

The second outpost in the area is covered with gates and turrets. Prioritize the turrets first to avoid extra damage, and then destroy all human tents.
To stop the electric pylons, break all the generators, and defeat Troopers to increase morale and terrorize the Crater Outpost.
Cliffside Outpost

This is the smallest outpost and only comprises of two doors, a few human tents, and a single generator. Destroy them all and kill the Troopers to conquer it.
Command Base

To get into the Command Base, climb the rocks to your right and jump inside. Break two generators to stop the electric pylons, and then destroy all human tents.
Now, defeat the remaining troopers and destroy the Command Base to end this mission.
Bug Mission 3: Operation Undertow

Similar to the previous missions, Operation Undertow has three locations for the bugs to terrorize, not counting the command base.
Substation

Unlike other areas, the Substation has two human tents outside the base that need to be destroyed. Break the generators, destroy the generators, and break turrets to terrorize the station.
Don’t forget to call out bug reinforcements by going near the nests and ordering them to attack a certain location.
Silos

Remember the part where you had to destroy the Silos locks? This time you’re playing as a bug. Get inside the base and destroy all the human tents.
Since there are no generators or gates, dealing with just the human tents and Troopers is enough to terrorize the base; it will take only a matter of minutes.
Monorail

The Monorail isn’t that big, and only consists of a few human tents, including a few doors to the base. If the target isn’t met, defeating the Troopers would do the job.
Command Post

Operation Undertow’s command post is heavily protected with turrets, M7 Razorbacks, and field scientists holding flame throwers. Move cautiously and destroy everything the post has to offer.
Explore both the inside and outside to discover all gates, and lastly, destroy the post to conclude the third Bug Mission.
Bug Mission 4: Operation Downfall

Simulating the time when bugs took over the entire city of Buenos Aires, you have to attack the following places with reinforcements:
Overpass

Head east from your position to enter the Overpass Radio Station. There, destroy all the available human tents; they don’t have any generators.
If the terrorizing quota isn’t met with this, deal with all the Troopers in the area.
Tunnel

There are two outposts near the tunnel. Ignore the first one where the terrorizing progress doesn’t appear. Get to second base and first take out all the M7 Razorbacks to avoid damage.
Go for the human tents and then break the gates to pave a way for the other bugs. Additionally, defeat all Troopers to meet the quota.
Bridge

The Bridge has the biggest outpost in Operation Downfall, which consists of numerous gates, a handful of human tents, and an exceptional number of Troopers.
Call in reinforcements for assistance, and break through the defenses to destroy this outpost efficiently.
Command Post

To bring victory to the Arachnids, use the Hopper form to fly away to the base and send a shockwave down toward the human tents. Break the generators to disable the electric pylons, and destroy all gates to end this operation.
Bug Mission 5: Operation Graveyard

The final bug mission, Operation Graveyard, comprises of three outposts:
Research Outpost

The first outpost will be right before you in the east. Drop down and destroy everything you see (human tents, gates, M7 Razorbacks, Troopers).
Not having electric pylons gives the bugs an advantage to advance inside the base without taking damage; capitalize on it.
Quarry

For the second outpost, head to the Quarry and take down the Refinery outpost. It’s big and starts from the lower levels. To efficiently terrorize it, start from the lower levels and destroy all human tents.
Once you reach the outpost level, break the gates and generators, and deal with all the troopers.
Turbines

In the Turbine outpost, first break the generators to stop the turbines and then break through the gates. Bring reinforcements with you to beat all the Troopers inside, including field scientists.
Lastly, destroy all human tents to conquer the base.
Command Post

Now, on the final command post, beat all Troopers and destroy four generators as well as human tents, to bring the Arachnids to ultimate victory.
With this, our walkthrough of Starship Troopers Ultimate Bug War! Bug Missions comes to an end.
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