Sniper: Ghost Warrior walkthrough video guide: Act 4, Chapter 1: “Steal From Under Their Noses Part II”
Your objective in Mission 12 is to sneak into the enemy camp and locate the data. You will not want to get detected at all during this mission, so do your best not to. You will find out that if you do get detected, that you are going to face a large amount of enemies. If you follow exactly what I do in the video guide, you should have absolutely no problem completing this mission.
Make sure to move a long carefully and slowly. Then also remember to use the bushes and grass as cover as you have already done so throughout the game. You can kill enemies here. You will not want to kill everyone you see though, just majority of the ones that will be in your path.
Part 2: Your final objective now is to locate the data and then exit the enemy camp undetected. For the first part of this video you will continue to do what you have been doing already; which is staying undetected and locating the data. Once you have located the data, you will then need to exit the enemy camp undetected. This is extremely easy as long as you follow what I do in the video guide.
When you are extracting via the pipe lines, stick to the right side as much as possible. This is especially important once you have crossed the street. That way you do not get seen by the group of enemies looking towards where you will be after crossing on the pipe lines. Drop down from the rooftop and climb off the boxes, you will then be where you started and have completed your mission.
Sniper: Ghost Warrior walkthrough video guide: Act 4, Chapter 2: “A Marksman At His Best”
Your main objective in Mission 13 is to assassinate Ernesto Salazar. Before you are able to do that, you will have to reach the destination point where you will do so at. On the way there, you will provide overview for your sniper teammates along the way. Mark the targets with the binoculars for your snipers carefully as you will fail the mission if spotted. To not fail the mission, just choose the right targets to kill first and then the rest after. You will also run into a few enemies to kill which you should easily be able to take out.
Part 2: Your main objective here is to assassinate Ernesto Salazar. After you have assassinated Ernesto, you will have to escape the area. You can easily do this without being detected by the patrols along the way to the end. You will stay on the path until you reach the bridge with enemies at the other end. Then jump into the river and head left of the bridge and circle around into the tunnel. Once you are in the tunnel, set the charges and continue forward, they will blow automatically.
Sniper: Ghost Warrior walkthrough video guide: Act 4, Chapter 3: “Guardian Angel”
Your first objective in Mission 14 is to reach the sniper position to clear the path for Delta Three. First climb the mountain by looking up, and using the rope to climb up tree by tree. Once you reach the top, there will be two enemies up here to kill, and then just get to the sniping position. Now provide support for Delta Three as they steal the enemy truck. Once they have stolen it you will need to continue to provide support for them as new enemies arrive. Once finished slide down the rope that leads to the antenna tower and continue to support them.
Part 2: Your final objective is to regroup with Delta Three. But before you can do that, you will need to provide more support from each sniper position above the highway and your team. There will be a few enemies that you will come across while up on the hilltop. Remember to use your health kit if necessary. Clear out all enemies below on the highway before you decide to cross the bridge and those across. Once you have crossed the bridge over the highway, continue forward to set the charges below the highway. Afterwards, regroup with Delta Three to end the mission.
Sniper: Ghost Warrior walkthrough video guide: Act 4, Chapter 4: “The Showdown”
Your first objective in Mission 15 is to reach overview seven two. Once you have reached it, you will be informed that Delta Three cannot exit the truck. So you will have to infiltrate the camp and help them escape. Follow the road you will be at once you reached overview seven two. The game heads you in the right direction anyways, so this should be no problem to you or by now. There will be a few enemies on the path along the way, you can take them out or sneak past them.
Part 2: Your objective here is to still infiltrate the enemy camp and help Delta Three escape the truck. Once you have completed this, your new objective will be to free the civilians. To do this, you will be switching over Delta Three as Pte. Anderson. Then just kill all enemies in the area. After this has objective has been completed, you will switch back to the sniper again. Your new objective is to support Delta Three from this sniping position.
Part 3: Your first objective here is to find the charges so you the team can set them up on the Giant Excavator. The last objective is to provide support for Delta Three as they set the charges. Proceed up the hill to find the charges; you will face a decent amount of enemies among the way. When you are providing support for Delta Three, three waves will arrive first by jeep/truck from the left side and then from the right side on top of the Giant Excavator heading towards your team. The last wave will come from the left side again in front of the Giant Excavator. A cutscene will take over once you have completed support for Delta Three.
Sniper: Ghost Warrior walkthrough video guide: Act 4, Chapter 5: “Seek And Destroy” & Ending Credits
Your objective in Mission 16 is to assassinate General Vasquez. Razor Six Four will have to reach the sniper position undetected. If you are detected on your way to the sniping position, the mission will fail and you will have to start over again from your last checkpoint. You can kill enemies to get to this position. Just be carefully and fast as well as when and where to actually kill the enemies. This will be to make sure that other enemies in the area do not see them die or find them later. Watch this last video guide for all the specifics. Good luck!
You will unlock a few achievements once you have beaten the game. This will depend on what difficulty you’ve finished the game. In this playthrough, the medium achievement is unlocked. The difficulty achievements do stack, but I recommend playing the game on medium to get familiar with all missions.
Thanks to Steve for the helpful walkthrough videos.