Resident Evil 4

Resident Evil 4

47 Achievements

65-80h

PS4
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Two Bugs, One Stone

Two Bugs, One Stone

Kill 2 parasites inside a Regenerador with a single bullet.

33.4%

How to unlock the Two Bugs, One Stone achievement in Resident Evil 4 - Definitive Guide

This can be immediately done after you obtain the biosensor scope for your sniper. On this step you’ll need to find a Regenerator with a Wrench in his stomach.

What I would recommend is finding a decent angle to shoot a Regenerator with two plagas beside each other. (The regenerator with two plagas beside each other is random for each play through but it’s always one of the 4 in that room. For my play through it was the regenerator with a wrench in his stomach. He had two plagas one in the middle and on the his left hand side so I stood on his left and aligned my shot)

If you mess up your shot, simply reload your auto save.
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24 Mar 2023 15:19

6 Comments
Just shot one with two in the tank and it didn’t unlock… maybe it has to be out of water tank first, but that is extra yard (tried as well).
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By XVinny84X on 29 Mar 2023 19:49
@XVinny84X I just got the achievement by shooting one that was still inside a tank so maybe this one is buggy for some.
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By Killbomb on 30 Mar 2023 07:17
Mine wasn't buggy (I thought it was), but it was a shadow pop. Didn't show on my console, but has shown as a notification on my phone and has unlocked on my Xbox when I checked.
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By VideoGameOrb on 30 Mar 2023 20:26
A message to the unwise: I did all the achievements under one save file and after selling the bioscope in my initial no-heals, pistol only playthrough I couldn’t re purchase or refind it so I had to start from a fresh playthrough.
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By HangmanK7 on 25 Apr 2023 23:34
You can definitely shoot them while they're still in the tank. Super easy to line it up.
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By TheCRod666 on 26 Apr 2023 18:10
+1 for TheCRod666 comment the easy and best way to do this fast
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By keoskey on 11 May 2023 05:57
View all 6 comments Show less comments
In the room with four Regenerators after you get the Biosensor for the sniper, two of the Regenerator in the capsules can be shot to get the achievement. This room is mandatory to continue the main campaign.

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27 Mar 2023 18:02

This achievement is really easy, and can be completed practically as soon as you get the Biosensor Scope Basically many of them have 2 parasites in them that are aligned from at least some angle, you may have to be in a specific angle, especially if there moving. But in the room with four of them immobilized in a pod, at least 1 of them will have 2 lined up, get in the angle you need and shoot. Also quick tip for that room you have to kill the Regenerador with a wrench inside it.
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29 Mar 2023 13:59


In Chapter 13 you will encounter Regeneradors for the first time.
Use a Sniper Rifle with Biosensor Scope to kill 2 parasites with a single bullet!
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29 Mar 2023 01:12

Bit tricky, this. As if battling a Regenerator isn’t already stressful enough, here, you need to use a rifle (we’d recommend the Stingray) fitted with the thermal scope, and attempt to line up two las plagas parasites with one shot. You’ll need to upgrade the rifle at the Merchant to make sure it’s powerful enough, then find a Regenerator that has two parasites close enough together to be popped with just one bullet. Good luck!
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