Subnautica

Subnautica

17 Achievements

1,000

1-2h

PC
Xbox One
Xbox Series
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Optimal Health

Optimal Health

Cure the infection

100

4.53%

How to unlock the Optimal Health achievement in Subnautica - Definitive Guide

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15 Dec 2018 16:44

11 Comments
Note: You get Enzyme 42 after going back through the portal. There are floating balls in the water with the juvenlie leviathans. Just reach out and touch one to get the cure.
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By risseless on 27 Jan 2019 06:19
What if I hatch them without the enzyme? am I screwed?
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By Senior Chupon on 11 Feb 2020 21:07
It's not possible to hatch them without the hatching enzyme.
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By EarthboundX on 29 Feb 2020 03:47
I'm currently trying to hatch them, have used both the ion cubes and have all the things needed for the hatching enzymes. Yet it won't let me interact with the incubator... anyone have any ideas around fixing this?
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By THEBIGJAMMA on 20 May 2020 22:45
you have to make the enzyme in the frabricator. So you have to travel back to one of your bases. In hindsight, you should have built a small base near the island with the gun, so you can just teleport there, create it, and teleport back.
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By EternalGnome on 23 Jan 2021 05:55
This one was really weird for me. Literally followed the guide step for step 4 times and this just wouldn't pop. It was my last achievement for the completion. This just popped for me now 14 hours after last turning my Xbox on. Even more confusing, I haven't signed in since those 14 hours ago. Not sure what triggered the pop.
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By Interracial on 13 May 2021 12:10
Just a heads up, if you are using your prawn inside the containment facility, there were a few times my suit would glitch and stop moving and stop jetpacking, like it got stuck in the floor. if this happens, get your repulsion cannon and blast your prawn forwards until it kneels down, and its ready to be used and moved again. the cannon doesnt harm your prawn.
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By Monkeyman1188 on 07 Nov 2021 14:19
When my prawn got stuck in the floor inside the containment facility I used the grappling hook to pull myself out
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By bikerchic44 on 24 Jan 2022 22:28
I got stuck in the jellyshroom cave in my prawn and the grappling hook didn't work. Next time I'll try the repulsion cannon.
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By JRubel on 16 Feb 2023 20:44
Actually you don't have to go back outside. If you stay with the juveniles in the tank just before they leave you can get enzyme 42 while still in the tank
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By NerdsLastStand on 27 Jan 2019 06:21
Ok I think what I did was hatch them without realizing but then I didn't stick around to have the sand cleared away. When I left and came back the sand wasn't cleared. I started a new game and focused on just this and was able to get this achievement now.
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By Senior Chupon on 02 Mar 2020 15:16
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The solution from NerdsLastStand focuses on the normal way to get this achievement. For my part, however, I had the problem that the enzyme 42 didn't appear.

So I decided to get to this achievement in the faster way...

1. As described in the walkthrough, you open the Command Console with cn_start & then press cn_LB cn_RB
Under Commands, you now go all the way down and select Infect 50

Playing on Windows?


2. To be saved (I don't know if this step is necessary) go out of the menu, then press cn_start and select save.
Important! Wait until the save icon at the top left disappears! Now leave the game...

3. Reload your save

4. Now press cn_LB cn_A & then cn_RB (on the PC Enter)
Type in: playerinfection 5

5. Repeat step nr.3 and save again and after the save-icon disappears you can leave the game again...

6. Load the game one last time and the achievement should even pop-up on the loading screen :)
Community/Comment Tips!

If you have any questions, suggestions, or critic, the best way to tell me is the comment-section :)
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cn_B This solution in German:
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23 Aug 2020 01:20

3 Comments
I'm glad it worked for you :)
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By Sanjoe on 20 Jan 2021 17:24
For some reason it didn't work for me but LB+RB+A -> "playerinfection 5" will pop it as well
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By JMJimmy on 20 Jan 2021 22:12
Alright, thanks for the information. I will add this to the solution later :)
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By Sanjoe on 20 Jan 2021 22:18
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After you release the sea emperor's cubs, she will release yellow balls along with the children, this is Enzyme 42, which will cure the disease. You need to touch the ball and there will be a mini screensaver. After the cutscene you will be given a trophy.
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27 Dec 2018 19:50

1 Comment
These balls will float next to the portal, from the side of the general world (where the aliens’ anti-aircraft gun is), if you immediately decide to go turn off the anti-aircraft gun and you don’t have a purple tablet with you, then one lies on the roof of the “transition”, from the island to the gun, in at the very end, slightly to the right, the second is exactly a level lower, under the place where you need to insert the tablet to turn off the force field, to enter the gun control room.
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By Brilliant_Dragon on 17 Jan 2020 11:03