Uploaded May 2026 | Updated September 2026, 3 weeks ago

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The ultimate 100% completion full game walkthrough for Subnautica 2. This video covers the entire story (so far), all alien biomes, every blueprint location, and hidden secrets. As well as ALL scans, including all 3 Leviathan Scans!
Looking for the original adventure? Check out my Subnautica 1 Full Walkthrough: youtu.be/FhtYbs_S-2A
If this complete guide helped you survive and find everything you needed, please leave a like and subscribe for more full-game walkthroughs!

Quick Timestamps:
0:00 - Intro!
8:28 - First Dive!
30:08 - First Base Building!
1:57:01 - First Angel Comb!
3:01:58 - Constructing Tadpole!
4:44:56 - First Leviathan Encounter!
5:05:06 - Building A Second Base!
7:44:00 - The Great Jaw!
8:13:05 - Scan Collector Leviathan! (I die)
9:06:41 - Encounter Void Leviathan!
10:13:12 - Scan Deepwing Brooder!
11:06:00 - Turbine Repair!
11:11:55 - Ending of Early Access!
11:18:04 - Scan Void Leviathan!

Some Full Games may have Commentary versions posted on my other channel. If there is a commentary version available I will post it here.
All games are recorded in 4K 60FPS using an Elgato 4K and a Dual PC setup. PS5 Gameplays are recorded the same way.
My PC Specs:
Ryzen 9 9950X3D
RTX 4080 SUPER 16GB
64GB's of DDR5 RAM
Rift S VR Headset

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#subnautica #subnautica2 #gaming
My COMMENTARY YT: youtube.com/TheLtColonel
My Twitter: twitter.com/TheLtColonelSG1
My Twitch: twitch.tv/theltcolonel