Subnautica AU

Series Metadata

Listing Series

• Surprise Guppy by Tabula_Smaragdina

  Fandoms: Transformers - All Media Types, Transformers One (2024), Subnautica (Video Game)  

  • Mature
  • No Archive Warnings Apply
  • M/M
  • Complete Work

  30 May 2026

  Tags

  • No Archive Warnings Apply
  • Sentinel Prime/Zeta Prime
  • Orion Pax
  • Zeta Prime
  • Sentinel Prime (Transformers)
  • Reaper Leviathan!Sentinel
  • Glow Whale!Zeta Prime
  • Hybrid!Orion Pax
  • But He Looks More Like a Reaper Leviathan
  • Orion Pax is a Zetasen baby
  • Alternate Universe - Subnautica Fusion
  • Carrier Sentinel
  • Mpreg | Male Pregnancy
  • Made Rating Mature Due To The Brief Birth Scene And Other Themes
  • Some of the Leviathans are Mers some aren't

  Summary

  Sentinel is in for a surprise when the tiny thing he holds in his arms explains the irregularities he'd experienced over the past few months. Regardless of receiving one hell of a surprise, the pair welcomes it with open arms.

  —OR Sen didn't know his ass was carrying until he popped out a pup HAHAHAHAHAHA

  Series

  • Part 1 of Subnautica AU

  Language:

  English

  Words:

  2,212

  Chapters:

  1/1

  Comments:

  2

  Kudos:

  125

  Bookmarks:

  5

  Hits:

  1,091

• Guppy On The Loose by Tabula_Smaragdina

  Fandoms: Transformers - All Media Types, Transformers One (2024), Subnautica (Video Game)  

  • Mature
  • No Archive Warnings Apply
  • M/M
  • Complete Work

  01 Jun 2026

  Tags

  • No Archive Warnings Apply
  • Sentinel Prime/Zeta Prime
  • Orion Pax
  • Zeta Prime
  • Sentinel Prime (Transformers)
  • Reaper Leviathan!Sentinel
  • Glow Whale!Zeta Prime
  • Hybrid!Orion Pax
  • But He Looks More Like a Reaper Leviathan
  • Orion Pax is a Zetasen baby
  • Alternate Universe - Subnautica Fusion
  • Carrier Sentinel
  • Past Mpreg | Male Pregnancy
  • Orion has a
  • Near Death
  • experience moment
  • It traumatized Sentinel HAHAHAHAHAHAHA
  • Some of the Leviathans are Mers some aren't
  • Made The Rating Mature Just In Case Because Orion Almost Dies In This Fic

  Summary

  Orion Pax got a bit too adventurous for his own good and ate something he shouldn't have—causing Sentinel to have the scare of his life

  (This is a continuation of my other fic "Surprise Guppy")

  Series

  • Part 2 of Subnautica AU

  Language:

  English

  Words:

  1,953

  Chapters:

  1/1

  Comments:

  9

  Kudos:

  107

  Bookmarks:

  2

  Hits:

  839