Created by a solo indie developer, Black Equation is a uniquely vast, non-linear interactive fiction adventure. Choose your path in a sci-fi quest of scientific discovery, or delve into epic fantasy through fragmented memories. Every decision shapes your story. Features haunting character ballads.
We are not affiliated with IsThereAnyDeal.









Welcome to Highgard.
Created by a solo indie developer, Black Equation is a uniquely vast and deeply non-linear interactive fiction adventure. This isn't just a story; it's a living tapestry woven from your choices, offering two distinct playable paths within one epic saga.
Explore Highgard, shaping its destiny through profound choices and unique experiences. Will you unravel biological secrets in a sci-fi quest of scientific discovery, or delve into epic fantasy through fragmented memories of a colossal creature? Every decision matters, affecting the narrative and leading to multiple endings.
Prepare for a journey where every choice matters, and every secret discovered reshapes your understanding of both science and destiny.
Start Your Story:
Explore a World of Depth:
A Literary Journey:
Based on the Finnish novel "Varjot Ylvägardin yllä", this game expands upon its universe, offering a new dimension to its narrative.
What destiny will you forge?
Steam data © 2025 Valve Corporation. Steam and the Steam logo are trademarks and/or registered trademarks of Valve Corporation in the U.S. and/or other countries. Independent of Valve. Pricing and availability subject to change.









Welcome to Highgard.
Created by a solo indie developer, Black Equation is a uniquely vast and deeply non-linear interactive fiction adventure. This isn't just a story; it's a living tapestry woven from your choices, offering two distinct playable paths within one epic saga.
Explore Highgard, shaping its destiny through profound choices and unique experiences. Will you unravel biological secrets in a sci-fi quest of scientific discovery, or delve into epic fantasy through fragmented memories of a colossal creature? Every decision matters, affecting the narrative and leading to multiple endings.
Prepare for a journey where every choice matters, and every secret discovered reshapes your understanding of both science and destiny.
Start Your Story:
Explore a World of Depth:
A Literary Journey:
Based on the Finnish novel "Varjot Ylvägardin yllä", this game expands upon its universe, offering a new dimension to its narrative.
What destiny will you forge?
Created by a solo indie developer, Black Equation is a uniquely vast, non-linear interactive fiction adventure. Choose your path in a sci-fi quest of scientific discovery, or delve into epic fantasy through fragmented memories. Every decision shapes your story. Features haunting character ballads.
We are not affiliated with IsThereAnyDeal.
Steam data © 2025 Valve Corporation. Steam and the Steam logo are trademarks and/or registered trademarks of Valve Corporation in the U.S. and/or other countries. Independent of Valve. Pricing and availability subject to change.