Grand Theft Auto V Walkthrough Monkey Business

September 12, 2016 (Last Updated: ) | Reading Time: 3 minutes

This Grand Theft Auto V walkthrough is divided into 83 total pages.

You can jump to nearby pages of the game using the links above.

Monkey Business

Grand Theft Auto V Walkthrough - Grand Theft-Auto-V 472
Grand Theft Auto V Walkthrough - Grand Theft-Auto-V 472

When the mission begins, drive the dinghy toward the facility.

Grand Theft Auto V Walkthrough - Grand Theft-Auto-V 473
Grand Theft Auto V Walkthrough - Grand Theft-Auto-V 473

After you arrive, dive into the water and swim towards the underwater tunnel entrance.

Grand Theft Auto V Walkthrough - Grand Theft-Auto-V 474
Grand Theft Auto V Walkthrough - Grand Theft-Auto-V 474

Use the hydro-cutter on each of the burn points to cut open the steel cage. Only use fuel when cutting each burn point!

Grand Theft Auto V Walkthrough - Grand Theft-Auto-V 475
Grand Theft Auto V Walkthrough - Grand Theft-Auto-V 475

After the cage is cut open, swim thru the lengthy tunnel to the laboratory.

Grand Theft Auto V Walkthrough - Grand Theft-Auto-V 476
Grand Theft Auto V Walkthrough - Grand Theft-Auto-V 476

Ascend to the top and take the ladder to the entrance.

Grand Theft Auto V Walkthrough - Grand Theft-Auto-V 477
Grand Theft Auto V Walkthrough - Grand Theft-Auto-V 477

GOLD MEDAL REQUIREMENTS: "STUNNER

Grand Theft Auto V Walkthrough - Grand Theft-Auto-V 478
Grand Theft Auto V Walkthrough - Grand Theft-Auto-V 478

Zap the lab rat inside the elevator and take his security card and take a ride to the next floor.

Grand Theft Auto V Walkthrough - Grand Theft-Auto-V 479
Grand Theft Auto V Walkthrough - Grand Theft-Auto-V 479

Exit the elevator and zap the two lab rats in the adjacent lab.

Grand Theft Auto V Walkthrough - Grand Theft-Auto-V 480
Grand Theft Auto V Walkthrough - Grand Theft-Auto-V 480

Continue ascending the lab halls and corridors until you reach the security doors. Take cover and wait for the two guards to walk out.

Grand Theft Auto V Walkthrough - Grand Theft-Auto-V 481
Grand Theft Auto V Walkthrough - Grand Theft-Auto-V 481

Zap them when they exit and then enter the next corridor towards the door with the security lock.

Grand Theft Auto V Walkthrough - Grand Theft-Auto-V 482
Grand Theft Auto V Walkthrough - Grand Theft-Auto-V 482

The lab rat with the nerve toxin is locked inside his lab and won't open the door. From here, Steve will find another lab rat and this will encourage the locked lab rat to open the door. Zap both lab rats and then enter the lab to grab the toxin.

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Grand Theft Auto V Walkthrough - Grand Theft-Auto-V 483

Once you have the nerve toxin, the alarm will sound.

Grand Theft Auto V Walkthrough - Grand Theft-Auto-V 484
Grand Theft Auto V Walkthrough - Grand Theft-Auto-V 484

From this point, you won't need the Stun Gun so draw a short-ranged weapon (preferably the Assault Shotgun) and fight your way out of the lab.

Grand Theft Auto V Walkthrough - Grand Theft-Auto-V 485
Grand Theft Auto V Walkthrough - Grand Theft-Auto-V 485

Be very conservative when taking cover. A number of heavily armed and armored mercs are hiding at the edge of your field of vision and you have to keep watch for them. Shoot your way towards the loading docks and clear out the remaining guards and Dave wi

Grand Theft Auto V Walkthrough - Grand Theft-Auto-V 486
Grand Theft Auto V Walkthrough - Grand Theft-Auto-V 486

Run towards the refrigeration unit and place the toxin inside.

Grand Theft Auto V Walkthrough - Grand Theft-Auto-V 487
Grand Theft Auto V Walkthrough - Grand Theft-Auto-V 487

From here, switch to Trevor and pick up the container and fly it back to the Sandy Shores airfield.

Grand Theft Auto V Walkthrough - Grand Theft-Auto-V 488
Grand Theft Auto V Walkthrough - Grand Theft-Auto-V 488

Drop the container onto the flatbed truck and then land the chopper to trigger a cutscene.

Grand Theft Auto V Walkthrough - Grand Theft-Auto-V 489
Grand Theft Auto V Walkthrough - Grand Theft-Auto-V 489

Once the main mission is done, the game switches to Trevor and Patricia.

Grand Theft Auto V Walkthrough - Grand Theft-Auto-V 490
Grand Theft Auto V Walkthrough - Grand Theft-Auto-V 490

Drop off Patricia back to Madrazo's house to complete the mission.

More Grand Theft Auto V Walkthroughs

This Grand Theft Auto V walkthrough is divided into 83 total pages.

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