A cataclysmic event has forced humanity to build undersea environments to survive. Build your team and lead missions to save what's left of humanity in this tactical RPG with roguelike elements that features in-depth strategic gameplay and high replay value.
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Release Date:
September 2018

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Available: September 2018


Recent updates View all (18)

August 15

Build 43: Portraits, Scenarios and New Objectives

Build 43 is now available on Itch and Steam!

We've got all the details on Build 43 in our latest DevLog, including the new scenarios, objectives and character portraits. We also have a sneak peak at all the enemies in the game!

Read the full DevLog on itch.io:
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July 28

Encounter System and Menu Updates

Our latest DevLog has lots of great details on the updated Encounter system coming in Build 43. We also cover the updates made to the overall UI and give a status on the next few Builds plus the updated release date info.

Read the full DevLog here:
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“It's a little bit XCOM and a little bit FTL”
PC Gamer

“I think this is going to be an incredible game when it’s finished. It’s already damn fun now!”

“What do you get when you cross FTL with X-com? My money!”
Old Grizzled Gamers

About This Game

Depth of Extinction is a tactical RPG with roguelike elements that features in-depth strategic gameplay and high replay value.

The oceans have reclaimed the Earth and you are the sole defender of humanity's last remaining government. Besieged on all sides by an overwhelming enemy, you must build the ultimate squad and lead them to victory. Level up your soldiers and equip them with the best gear -- but be sure to keep them safe because death is permanent!


  • Emergent storyline on randomly generated maps with random encounters
  • Unlock 11 unique character classes
  • Outfit your team with more than 150 different weapons, armor, and items
  • Fight 25 unique enemies from 5 factions
  • Perma-Death

System Requirements

Mac OS X
SteamOS + Linux
    • OS: Windows XP SP2+
    • Storage: 500 MB available space
    • OS: Mac OS X 10.8+
    • Storage: 500 MB available space
    • OS: Ubuntu 12.04+, SteamOS+
    • Storage: 500 MB available space

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