🌊 Submerged: A Subnautica Survival Diary — Log 4: Extinction Prevention (Mostly)

“Turns out nuclear safety training is optional when you’re the only one left alive.”

Mode: Survival | Platform: Steam Deck

Post-Reaper Priorities

After my last close encounter with the Reaper Leviathan, I decide that maybe, just maybe, going silver-hunting anywhere near them is a bad idea. I still need that silver for my Propulsion Cannon, but I’d rather not earn another traumatic underwater flashback. I remember some sandstone outcrops near Lifepod 17, so I head there instead.

Luck is finally on my side. I find the silver pretty quickly, head back to my lifepod, and get to work. A few crafted materials later, I’m officially armed with a Propulsion Cannon. I briefly consider testing it on the Reaper — just to see what happens — but deep down, I know it would end poorly for me and hilariously for the Reaper.

Back to the Aurora

Feeling brave (or foolish), I head back to the Aurora. Naturally, my Seaglide’s battery dies halfway there, because Subnautica loves timing like that. After swapping it out, I make my way inside and retrace my previous steps. The crates that blocked me before? One satisfying Propulsion Cannon blast later, and I’m through.

I’m not sure what I expected — treasure, danger, maybe another PDA full of corporate nonsense — but what I definitely didn’t expect was a locked door with a keypad. For a moment, I almost give up. Then I remember my PDA might know something I don’t (which is most things), and there it is — a door code: 1454. It takes a few attempts — because typing underwater is hard — but eventually, the door slides open.

The Reactor Room

Behind it lies the reactor room, complete with glowing warnings telling me not to enter without training. Fortunately, no one’s around to stop me — and the ship is literally falling apart — so I take that as an invitation.

Radiation warning blaring, I dive in. The place is crawling with those little aggressive sea pests who’ve apparently decided this nuclear chamber is home sweet home. I’m too focused on repairing breaches to care. Twelve welds later, the Aurora’s no longer in danger of turning the ocean into a radioactive soup. One crisis averted, and I didn’t even vaporise myself. I’ll take that as a win.

Lifepod 4 and the Sunbeam

On my way back to Lifepod 5, I spot something bobbing on the surface. It’s an upside-down lifepod — number 4, to be exact. Curiosity wins, and I investigate. Inside, I find a PDA and a Creature Decoy blueprint. Probably not a coincidence that this pod didn’t make it.

Back at my base of operations, I reward myself with some cooked fish and clean water before checking the latest radio transmission. It’s from the Sunbeam — they’ve heard my signals and are getting closer. They just need to find somewhere to land.

Awaiting Rescue

Not sure what I’ll do while I wait. I’ve got Seamoth blueprints now, but no sign of the Mobile Vehicle Bay fragments I need to actually build one. So for the time being, it’s just me, my Seaglide, and the ever-expanding ocean of things trying to eat me.

I didn’t expect preventing an extinction-level event to be this quick — though I suspect the planet has plenty more chaos in store. For now, I’ll gather resources, explore nearby wrecks, and keep an eye out for those fragments. And maybe go swimming, just… not too deep.

Continue the journey:
Log 3: The Reaper’s Warning |
Log 5: Scanners, Stalkers & The Elusive Bay

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