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The Modern Warfare 3 Trojan Horse mission is the last of the campaign, bringing Task Force 141’s globe-trotting hunt for Makarov to a conclusion. They’ve tracked him down to London, their backyard, and must do everything to stop him.
We’ll walk you through how to complete the Modern Warfare 3 Trojan Horse and make it out in one piece. We also have walkthroughs for the rest of the campaign, including Danger Close, Gora Dam, Frozen Tundra, and Highrise.

Modern Warfare 3 Trojan Horse walkthrough
When you gain control of Soap, walk forward until the mark bends down to tie her shoe. When this happens, blend in by interacting with either Gaz or the dog by the popcorn stand. The mark will then receive a phone call and stop next to the water’s edge. Blend in by interacting with the postcard rack near her position. She’ll reveal a rendezvous point.
You’ll then jump to a CCTV camera. Fast forward the footage all the way to the start to reveal the buyer. Fast forward and switch cameras to track his movements until he enters the pedestrian tunnel.
Investigate the Hideout
When you gain control of Price, push forward to the door leading into the hideout. Wait for the team to breach the door, then enter, and follow the stairs down. Gun down the enemy in the tunnel, take a left, and get to cover. Pick off the hostiles ahead and destroy the turret.
Crouch and go through the door covered by a plank of wood on your left, kill the enemy ahead, then exit through the door at the back. Pick off the enemies around the counter and then those descending down the escalator. There’s an ammo refill spot in the area should you need it.
Press on. Ahead is a turret and plenty of enemies. Go through the door on the left by the escalators and flank the enemies in the open area, destroying the turret as you go. Head up the stairs and aim for the office. Find cover outside and take out as many Konni guards as you can before entering. Approach and interact with the laptop in the office room.
Countdown
When you arrive inside the Channel Tunnel, press forward through the corridor ahead. Take a left, wait for the train to pass, then go through, sticking right to not alert the Konni soldiers ahead. Use stealth or go in guns blazing as you see fit here. When the area is clear, press on through the ventilation tunnels until you come to a closed door. Bash through then take out the three enemies guarding the hostages and avoid shooting the civilians.
Open the shutter and prepare for a fight. Clear out the closest enemies first then find cover just past the train track. Destroy the turret up on the blue containers and gun down any remaining hostiles. Wait for a train to pass then make your way forward. You’ll hit two juggernaut enemies. Take them out. Grenades work well to tear through their armor.
Push on down the tunnel then take out the enemies around the bomb. Find cover and defend Soap while he defuses the bomb. After clearing out the ambush, go over to the bomb and use the snake cam. Find the logo by moving right, then tell Soap you see a Bear logo.
You’ll exit the snake cam. Find cover and take out the advancing enemies. Go back to the snake cam near the bomb. Move to the bottom left then tell Soap the third number is 9. Watch the short cut scene then return to the bomb and defuse it on the count of three.
That wraps up the Modern Warfare 3 Trojan Horse mission.
Call of Duty Modern Warfare 3 (2023)
- Platform(s): PC, PlayStation 4, PlayStation 5, Xbox One, Xbox Series S, Xbox Series S/X, Xbox Series X
- Genre(s): Action, Shooter