How to Complete Line in the Sand Quest in ARC Raiders (2026 Guide)

Gaming news regarding the latest updates for ARC Raiders, developed by Embark Studios and published by Nexon, highlights the Riven Tides update which introduced the Line in the Sand quest. This mission requires players to navigate the Buried City map to uncover the history behind a failed supply transport. As we continue our ARC Raiders coverage here at In Game News, we have compiled the essential steps to ensure you can finish this objective efficiently on PC, PlayStation 5, or Xbox Series S/X.

To successfully finish the Line in the Sand quest in ARC Raiders 2026, follow these primary steps:

1. Locate and investigate the broken-down train in the western sector of Buried City.
2. Travel east to the small tower and interact with the terminal to identify the robbery orchestrator.
3. Collect the Marano Market Business Card and secure it in your inventory.
4. Identify the location where the thruster valves were hidden.
5. Search the basement of the merchant's nearby apartment to conclude the quest.

Find out why the train never reached Marano Station

The first stage of the quest involves investigating the western portion of the Buried City map. You will find a train that has been derailed or broken down. Upon approaching this wreckage, a prompt will appear on your screen. Interacting with this prompt is the necessary action to trigger the next phase of the investigation, providing the initial context for why the transport failed to arrive at its destination.

Find out who orchestrated the robbery

Once you have gathered information from the train, head toward the eastern side of the immediate area. You will spot a small tower structure. You must climb the metal walls of this tower to reach the top level. Once inside, locate the computer terminal on the floor. Interacting with this terminal provides the crucial data needed to identify the party responsible for the robbery, which is a mandatory step for those wondering how to finish the Line in the Sand quest in ARC Raiders 2026.

Marano Market Business Card

After interacting with the terminal in the tower, the game will reward you with the Marano Market Business Card. This is a key item required to progress. Because this item is essential for the quest, you must ensure it is placed into a secure pocket immediately upon acquisition. You will need to carry this item through the remainder of the mission without losing it, so prioritize your survival and avoid unnecessary combat encounters while holding it.

Find out where the thruster valves were stashed

With the business card in your possession, the quest will update to task you with locating the missing thruster valves. These items were removed from the transport and hidden by the perpetrators. You will need to scan the vicinity of the Buried City for containers or hidden caches that match the description provided in your quest log. This segment of the mission tests your ability to navigate the environment while keeping an eye out for specific environmental clues.

Search the basement of the merchant's nearby apartment

The final stage of the mission directs you to a nearby apartment building linked to the merchant involved in the robbery. You must locate the entrance to the basement. Once inside the basement, conduct a thorough search of the area to find the final evidence or items required to close out the quest. Completing this search will finalize the Line in the Sand objectives. For more tips on navigating the game's evolving challenges, check our gaming guides archive.

Frequently Asked Questions

How do you complete the Line in the Sand quest in ARC Raiders?
To complete the Line in the Sand quest, players must investigate the train in Buried City, locate the terminal in the nearby tower, secure the Marano Market Business Card, and search the merchant's apartment basement.

Where can I find the Marano Market Business Card in ARC Raiders?
The Marano Market Business Card is obtained after interacting with the terminal located in the small tower situated east of the abandoned railcar in the Buried City.

Where is the Marano Station located in ARC Raiders?
Marano Station is located within the Buried City region, where players must investigate the western area to find the broken-down train associated with the Line in the Sand quest.