Welcome to our The Lethal Gambit mission guide for RoboCop: Rogue City – Unfinished Business! In this walkthrough, we’ll cover everything you need to do to earn an A rank on your RoboCop Evaluation Report by completing all key objectives, saving hostages, and uncovering hidden evidence.
Quick Links
- RoboCop Evaluation Report – The Lethal Gambit
- The Lethal Gambit Walkthrough
- Police Work – Pieces of Crime Evidence Collected
- OCP Chest #1
- OCP Chest #2
- OCP Chest #3
- Misc. – Cleansing System
- OCP Chest #4
- Trash Day Trophy
- Secondary Objective – Halfway There
- OCP Chest #5
- Secondary Objective – Old Record
- Secondary Objective – Rat King
- OCP Training Disk
- Misc. – Engagement Rings
- OCP Chest #6
- Misc. – A Reminder for the Film Crew
- Related RoboCop Content
RoboCop Evaluation Report – The Lethal Gambit
Below is a full breakdown of the XP you can earn during The Lethal Gambit objective and what’s required to achieve an A rank:
- Side Objectives
- Rat King
- Old Record
- Halfway There
- Investigations
- All stolen OCP Chests found
- Police Work
- Pieces of crime evidence collected
The Lethal Gambit Walkthrough
Police Work – Pieces of Crime Evidence Collected
While searching around, you’ll need to keep an eye out for crime evidence to collect. Crime evidence includes:
- Fake ID Cards
- Nuke
- Stolen Wallets
- Fake Money
- Incriminating Photos/Documents
- Stolen Handbags
These can spawn everywhere—so stay alert and scan frequently.
OCP Chest #1

From the starting point, head north down the hallway then take a left to find the chest at the end of the walkway.

OCP Chest #2

During the objective to “Clear the alternative passage”, you’ll head through a cafeteria. This chest can be found in the cafeteria by the counter.

OCP Chest #3

This chest can be found in a security room during the “Find and rescue the survivors” objective.

Misc. – Cleansing System
This document can be found on the desk in the room above.
OCP Chest #4

This chest can be found just after speaking with the child trapped in the vent. From the child, turn around and head north to find this chest.

Trash Day Trophy

During the objective to “Override the console in the Security Room”, you’ll enter the security room and interact with the console. This will open the trash compactor in the center of the floor. Throw one of the enemies in the hole to pop the Trash Day Trophy.
Secondary Objective – Halfway There

During the “Talk to Stella” objective and after completing the “Follow Steve” objective, a lady wearing a white coat will speak with you. Lift the gate to complete this secondary objective.

OCP Chest #5

You’ll find this OCP Chest behind the above gate.

Secondary Objective – Old Record
After speaking with Stella, speak with the store owner, who is wearing a leopard shirt.

He’ll invite RoboCop to shoot at the shooting range. You’ll need to get higher than 93 points to win! As a reward, you’ll get a new PCB.
Secondary Objective – Rat King
Speak with the guy on the path leading to the armory.

If you speak with him, he’ll tell you that his pet rat is missing. Scan the tracks on the ground next to him then hold the scanner and follow them to the ladder near Stella’s house.

At the top of a ladder, scan the plate next to the woman to meet the Former OCP Worker. Next, return back to the guy to complete the quest.
OCP Training Disk
Before leaving the above woman, make sure to gather the OCP Training Disk from a crate on her bed.

Misc. – Engagement Rings
Climb down the ladder from the above woman and grab the Engagement Rings letter on a crate next to a chair.

OCP Chest #6

During the “Override the consoles in the Security Rooms”, Steve will be in one of the rooms. After you save him, you’ll come across this chest.

Misc. – A Reminder for the Film Crew

This letter can be found on the coffee table in the studio room during the “Rescue Miranda” objective.

Related RoboCop Content
- Next Mission: The Blade of Justice – NO COLLECTIBLES
- Previous Guide: Urban Pacification
- Main Page: Robocop: Rogue City Guides and Walkthroughs