Steam

Sin & Siege

Also known as Sin & Siege, sas, sin and siege

Sin & Siege is a rogue-lite strategy where you must restore the shattered circles of Hell. Harvest and process sinful souls, amass Sins, forge new demons, populate the abyss, and defend it from holy monstrosities.

Last update

9 Aug 2026

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Latest update

EventPublished 14d ago

The Sin & Siege Demo is live on Steam: Rule Hell today!

Greetings from the dark depths of Hell! If you're reading this scroll, congratulations. The Infernal Bureau has officially appointed you as the new Warden of the Underworld. From this moment on, the fate of the Heart of…

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Update history

Browse past updates and patch notes for this game.

7 updates

July 2026
Sin & Siege Demo Arrives on August 3: Prepare to Rule the Hell!Greetings from the dark depths of Hell! Your appointment as the New Manager of our Infernal Branch is almost official. The Infernal Bureau has signed the decree: the Sin & Siege Demo will become available on August 3 at…Announcement5 changesGameplay18d ago
Infernal Archives #1: How Hell Has Changed in Sin & SiegeGreetings from the dark depths of Hell! Running the Underworld is no easy task. You have to expand the infernal infrastructure, manage your loyal subjects, and fend off endless invasions from the Forces of Heaven... And…Announcement4 changesGameplay24d ago
June 2026
Build. Defend. Die. Repeat. This is Sin & SiegeGreetings from the dark depths of Hell! Since you are reading this scroll, your contract has already been signed in blood, and you've officially been appointed as the New Manager of our Infernal Branch. Forget the cauld…Announcement7 changesGameplayBalance29 Jun 2026
April 2026
The Gates of Hell close on Monday, April 6thGreetings from the dark depths of Hell! The gates of the playtest will slam shut this coming Monday, at 08:00 am UTC. The flames will die out, the millstones will creak for the last time, the blades of the Soul Catcher…Announcement02 Apr 2026
March 2026
Turn the hellish wasteland into a thriving city in the new game Sin & Siege!Greetings from the dark depths of Hell! The mill of suffering is slowly but surely grinding away, churning up the souls of sinners—and while it does, check out the trailer for the new rogue-lite strategy game Sin & Sieg…Announcement4 changesGameplayBalance26 Mar 2026
July 2025
Welcome to Sin & Siege!The game has its own page on Steam now! Thank you for your interest in the game and for adding it to your wishlists. I am actively working on the game. The following things have been added recently: Game speed adjustmen…Announcement3 changesGameplayBalance21 Jul 2025

Gallery

The Sin & Siege Demo is live on Steam: Rule Hell today!

July 2026

June 2026

April 2026

March 2026

July 2025