A downloadable game for Windows, macOS, and Linux

Buy Now$14.99 USD or more

In a flooded future world rife with violence, rumors of killer machines have spread far and wide. As a number of factions emerge – violently vying for power – you become the sole defender of humanity’s last standing government. Only you can create the ultimate squad and save humanity in this turn based, tactical RPG with roguelike elements.

Get a free Steam key with your purchase!


“One of the most detailed and immersive turn-based strategy games I have come across”
8/10 - Bonus Stage UK

“Not everyone will love Depth of Extinction's open-ended campaign as much as I did but it's a top-notch SRPG no matter how you slice it.”
4/5 - Video Chums


  • Explore a sunken world and build your own story 
  • Familiar tactical options with a few new twists including action refunds, stealth positioning and ambushes
  • Create the ultimate squad from 10 different character classes including the brand new SABOTEUR
  • Outfit your team with 115 different weapons, armor, and items
  • Fight 30+ unique enemies from 5 factions
  • Position your team and then get the kill with stealth


The game had some issues at launch but has had six major updates since then to directly address much of the feedback in that initial wave of reviews. 

  • Official support for English, Spanish, German, Japanese and Simplified Chinese
  • Unofficial support (google translate) for French, Italian, Russian, Portuguese and Korean (only when downloading from itch.io)
  • More maps that require different tactics
  • Over powered skills and combos were rebalanced
  • More weapons, effects and death animations
  • More story cutscenes and a "proper" ending
  • Refined the existing enemies and created a few new ones
  • Full controller support
  • Additional options, including Color Blind mode
  • Increased turn speed and reduced friction in many of the menus
  • Casual mode for those that felt the original game was too punishing

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Also Available for

Nintendo SwitchXBox OnePlayStation 4


Buy Now$14.99 USD or more

In order to download this game you must purchase it at or above the minimum price of $14.99 USD. Your purchase comes with a Steam key. You will get access to the following files:

doe-windows.zip 143 MB
Version 55.3.0
doe-osx-universal.zip 146 MB
Version 55.3.0
doe-linux-universal.zip 142 MB
Version 55.3.0

Development log

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