Marathon: Back to Invest 5 Guide

in MarathonThe final stage of the return on investment contract line involves runners hacking into a secure container and stealing UESC supplies in one run. The catch, however, is that you need to fight through the UESC resistance if you want to make it out alive. In this Marathon Guide, we will go over how to get to the container in the safest way possible, survive the reacting UESC forces and make it out alive.

OrderChaos contracts on marathon exclusive images

Marathon: How to trigger alarms and download data in order/chaos

Need help ending the Order/Chaos deal in Marathon? Here's how to trigger alarms, get credentials and download data.

How to Achieve Return on Investment in Marathon 5

The return on investment 5 is a CONTROVERSIAL AGREEMENT Takes place in June Dyer MarshAnd it is the last step in its related series. As such, expect to make several attempts to complete it, as other runners may be competing for the same goal. The contract is divided into the following stages:

In one race:

  1. Hacked UESC supply container in canal.

  2. Exfil UESC Storage.

Because it is a CONTROVERSIAL AGREEMENTOnly one runner/crew can make a return on investment of 5 per game. If the UESC supply container is already hacked before you arrive, you will not be able to complete the contract, and must retry another run.

1) Disable protection under the channel

at Dyer Marsh, Head to the canal area east of the maintenance and south of the algae ponds. As you arrive, you'll see a canal that leads to a yellow-painted tunnel with green security lasers on both sides. near lasers, But walk through them.

There's a rigged UESC container in the middle of the room, but you'll want to disable the security system before trying to enter the room. Walking through the lasers will set off alarms and several waves of UESC units will enter. Instead, look through lasers and search. Six security boxes with red lights (As shown in the above picture).

The safe boxes are all inside this room, but randomly placed. You should often look inside the room From both sides of the tunnelSo make sure to climb to the other side and look inside properly. After all six boxes are destroyed, the lasers will be disabled, and you can safely enter the room.

2) Hack the container and fight the UESC commander

Now that you're inside, you can hack the rigged container in the middle of the room. Unfortunately, this still sets off an alarm, and you'll be trapped inside when a wave of UESC comes.

Use the nearby security room as cover and shut down the UESC forces. You will mostly deal with UESC recruits, however, a couple ghosts and a shield commander will also spawn. All UESC forces must be destroyed to disable the walls. Once they are taken care of, go back to the container and pick up the UESC stockpile. Now, you have to get out as soon as possible.

The blaring security alarms and the wave of UESC forces is very noisy, and it's highly likely that you've attracted hostile runners to your area. It might be wise to sneak around quietly for a moment to make sure no one is lurking around you.

3) Exfill with stockpile

You've got the stockpile, but now you've got to make it out alive. If you've made it this far, you already know the drill; Find the safest exfil and get out of Dire Marsh.

marathon-quest-return-on-investment-5-canal-5 Image by GameRant; Source: Bungie

Remember to use whatever tools are at your disposal to ensure a safe extraction. Smoke grenades, invisibility, or your destroyer shield can all help if there are any enemies around. Once you've successfully evicted, the deal will be complete, and you'll officially get the investment back on line.

All rewards to complete return on investment 5

Marathon-Quest-Return-on-Investment-5-Rewards Image by GameRant; Source: Bungie

Return on Investment 5 is a priority contract, and the last of its series, so you can expect fair compensation. In addition to 420 Traxus reputation points, you will receive the following rewards:

  • rare Radical PR

  • rare Traxus sponsored kit

  • rare grip mode

  • Heavy ammo

  • (2) Irregular Sophisticated liberation

  • Codex entry

  • 2,000 credits

Looking for your new favorite weapon? Check out our Marathon Weapons Tier List for the best guns to grab on Tau Ceti IV.


Marathon tag page cover art


issued

March 5, 2026

ESRB

Juvenile/animated blood, language, violence, in-game purchases, user interaction

Multiplayer

Online multiplayer, online co-op


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