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Soul Binder

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Soul Binder

Abiotic Studio · Published by Abiotic Studio

Last updated 27 Sept 2026

A hardcore, permadeath, rougelite, bullet, hell monster capture game. Collect spirits, fight tense battles where each move could cost you an ally forever, can you make it to the centre of the Interstice and unravel its secrets?

Free to PlayComing SoonDJCTQ 12Full Controller Support

Free

View on Steam

Prices can lag the live Steam store — always confirm before buying.

Adventure, RPG, Early Access · More free games

Embark on a tense, permadeath journey as you collect spirits and fight hell monsters in Soul Binder. Navigate the dangers of the Interstice, where each move could cost an ally forever, and unravel its secrets to reach the core.

About this game


Interstice is a roguelite monster capture game, a world of floating islands is generated each playthrough. You can capture spirits inside and use them for battle, but if they die they are gone permanently. Build your team, fight in strategic turn based battles, dodge bullet hell patterns and battle your way to the centre of the ever changing Interstice.






MANA SYSTEM Spend mana each turn for spirits to perform moves
MAIN PHASE: Use buffs & debuffs & to control the battlefield
BATTLE PHASE: Choose attacks to deal damage & dodge bullet hell projectiles.




  • 3 in battle at one time
  • 8 spirits in a party
  • Spirits lost upon death
  • 100 possible different spirits (Will launch in early access with less than this)
  • Each spirit can be customised with different moves & items



Explore the Interstice, a procedurally generated world of floating islands serving as the limbo between life & death. Meet other lost souls and travel toward the mystery at the centre.



I started making interstice while playing a nuzlocke & I noticed how much I was playing on 4x speed and bored. While there are incredible moments, there is a lot of fluff. I decided to make my own monster capture game, one with permadeath & procedurally generated worlds. So that I could have the same intensity without all the boring sections. Somewhere along the way I added my love of bullet hell games & the core of interstice was born. If that's the sort of thing you're into, hopefully Interstice will be entertaining to you too.

System Requirements

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Minimum

Minimum:
  • OS: Windows 10
  • Processor: 2.0 Ghz
  • Memory: 8 GB RAM
  • Graphics: 1Gb Video Memory, capable of OpenGL 3.0+ support
  • Storage: 2 GB available space

Supported Languages

English*
*languages with full audio support

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