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Chapter 12 of 15

Gears 5: Act III, Chapter 3: Some Assembly Required walkthrough

Delta collects the beacons from the old cosmonaut facility and returns to finish the rocket.

  • About 137 min in the videos
  • 5 parts · 11 steps
  • 1 boss

Compiled from 1 playthrough video and 5 guides · checked Oct 19, 2026

0 of 5 done
Video: Lone Wolf on YouTube (solo run). Loads from youtube-nocookie.com only when you press play.

What each player can do here

P1 · Kait (JD in Act I)
  • Red canisters near the rocket burst into flame when shot.
P2 · Jack or Del
  • A co-op partner can play Jack as a support seat.
  • New module: Barrier.

If your skill levels differ: Uneven pair: the newer player can take Jack, the support robot (scans, fetches, opens doors and revives), while the steadier shot takes a soldier seat and carries the gunfights. How to split the roles

Side missions

Part 1 of 5. Optional jobs around the valley.

  1. BothWater Supply and Scavengers are optional jobs around the valley; finishing them earns Jack upgrades such as Slayer.single source

Cosmonaut training facility

Part 2 of 5. Get the beacon from the training facility.

  1. BothInside the cosmonaut training facility, send Jack through the vent to open the way on.
  2. BothA Bastion shields the enemies in the next fight; take it out first.
  3. BothHave Jack work the controls high up to build a way across the gap.
  4. BothStart the centrifuge from the consoles, cross its channel behind it, pull the lever, and hold off the waves that come from every side.
  5. BothTake the beacon part, then fight your way out: Jack opens the welded door while you use the mounted gun.

Airport defence

Part 3 of 5. Hand over the beacon and defend Baird's ride.

  1. BothGive the beacon to Baird, take the Barrier module, and defend the airport from the attack that follows.

Nomad convoy

Part 4 of 5. Save the Nomad convoy.

  1. BothRide to the attacked Nomad convoy; several Pouncers attack, so keep them at range (or Hijack one).

The rocket

Part 5 of 5. Re-enter the hangar and finish the rocket.

  1. BothGo back into the Rocket Hangar; once inside you cannot return to the valley, so finish side jobs first.
  2. BothStart the procedure from the console; it fails and Snatchers attack under the rocket.
  3. BothRide the gantry to the top with Jack; fast Juvies and Poppers rush you there, so shoot the Poppers first.

Boss

Two SnatchersTwo big creatures under the rocket

  1. Under the rocket: Two Snatchers attack together with support; shoot the red canisters as they come close, and revive downed teammates quickly.
  • Focus one Snatcher at a time and Hijack a Scion when they arrive.

Extras and notes

  • IGN's guide counts 13 collectibles in this chapter.
  • IGN's guide does the cosmonaut facility, airport defence and convoy during Chapter 1, before the satellites.
Sources (6)

Steps compiled from 1 playthrough video and 5 text guides, checked Oct 19, 2026, and written in our own words. We did not play the game for this guide. A step marked “single source” rests on one guide so far.