Drawing inspiration from acclaimed classics Xenosaga and Xenogears, comes a saga set amidst the backdrop of galactic warfare, political intrigue, and secrets that will unravel the very fabric of existence itself!
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Release Date:
Nov 16, 2018

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Recent updates View all (5)

March 16

Announcing Alpha Odyssey! An Expansion (post-game content) for Sanctus Mortem!

We're very pleased to announce Alpha Odyssey, an Expansion (post-game content) for Sanctus Mortem! Featuring a connecting story to a future game, this Expansion contains: all-new content set over a decade after the main game ends, new music, new ships, and much more!

Best of all, this Expansion will be a free update that all current and future owners of the game can access after beating the main game!

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November 17, 2018

First Post-Release Update

Hello everyone! We're hoping that you're enjoying the game. We've pushed an update for all platforms this morning due to some customer feedback that ought to help with a particularly nasty boss. As always, please feel free to let us know what you think of the game in the Discussion Forums and/or leave a review.


- Decreased Diaspid's (Boss) Attack Power of Wallop and Siphon
- Re-aligned enemy placement in Lahna Research Center

*Note - You may need to alter your system settings again in the Options menu (if you prefer the game in Window mode/Dash always on/etc.) when an update is done.
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“The vibe I get from Sanctus Mortem is that it wants to break the glass ceiling and transcend RPG Maker's limitations.”

“Sanctus Mortem isn’t perfect, but the flaws can be overlooked in favor of characters I cared about, engaging action, and a story that kept me hooked the entire time I was exploring Kisareth’s universe.”

“Sanctus Mortem is a good game that, despite being short, is worth your time if you like to get swept up in a good story with characters you feel are your friends.”
3rd Strike

About This Game

Millennia in the future, an interstellar war between the Zinethian Confederation and the Thrasik Empire has erupted leaving entire sectors a spaceship graveyard. Equipped with more advanced weaponry, the Zinethian Confederation is on the verge of winning the war, but all is not as it seems.

The fate of billions rests in the balance as ambitious scientists race to unlock a powerful secret, one that sets Captain Hector of the Thrasik warship Rhoube and his determined crew on a collision course with military governments, the empress, and his own reality.


  • An epic sci-fi story that unfolds as you travel through the stars visiting various planets and beautifully-rendered regions of space
  • Battle with futuristic weapons using an enhanced Active-Time-Battle system
  • Devastate your enemies with the new Chain Command system!
  • Upgrade your ship and have full control as you navigate through regions of space while fighting your way through entire fleets in destructive ship combat!
  • Pilot and augment your own fighting machines called Vords!
  • Experience a powerful and haunting soundtrack composed by various independent artists
  • Mini-games, optional areas, and much more!

System Requirements

Mac OS X
SteamOS + Linux
    • OS: Windows 7/8/8.1/10
    • Processor: Dual-Core 2.4 Ghz
    • Memory: 4 GB RAM
    • Graphics: OpenGL 4.1 capable GPU
    • DirectX: Version 9.0
    • Storage: 2 GB available space
    • OS: Mac OS X 10.10 or higher
    • Processor: Dual-Core 2.4 Ghz
    • Memory: 4 GB RAM
    • Graphics: OpenGL 4.1 capable GPU
    • Storage: 2 GB available space
    • OS: Ubuntu 14.04 or Steam OS 2.0 (64 bit)
    • Processor: Dual-Core 2.4 Ghz
    • Memory: 4 GB RAM
    • Graphics: OpenGL 4.1 capable GPU
    • Storage: 2 GB available space

What Curators Say

3 Curators have reviewed this product. Click here to see them.

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