Screenshots
Watch trailer on Steam ↗Katharsi
Team Countdown · Published by Breda University of Applied Sciences
Positive — 84% positive (31 reviews) · 11 achievements
Last updated 2 Oct 2026
Katharsi is a puzzle adventure set in a corrupted Byzantine cathedral. With the help of your companion, cleanse and illuminate the path in front of you by harnessing the power of the light. Solve the puzzles that block your path and reveal the truth behind this story.
Adventure, Free To Play · 2025 · More free games
Explore the intricate puzzles of Katharsi as you navigate through a corrupted Byzantine cathedral. Team Countdown invites you to cleanse and illuminate your way with the help of your companion, revealing hidden truths along the journey.
About this game
Explore the depths of the cathedral on your mission to eradicate the plague in this puzzle adventure game. Make your way towards the final chamber as you uncover the mysteries behind your companion and the cathedral around you.
Key Features
Explore a Byzantine era cathedral which has been corrupted by the plague
Solve light-based puzzles and use the light to cleanse the cathedral
Work together with your companion to overcome obstacles
Reveal the truth behind the plague and your companion
About the Development Team
This game is being developed by a team of 15 third-year students at Breda University of Applied Sciences. The game will fully release in June.
After the game's final update, this game will no longer be supported by the developers.
System Requirements
Will my PC run this? →Minimum
- Requires a 64-bit processor and operating system
- OS: Windows 10 64-bit
- Processor: Quad-core Intel or AMD, 2.5 GHz or faster
- Memory: 8 GB RAM
- Graphics: DirectX 11 or 12 compatible graphics card with the latest drivers
- DirectX: Version 11
- Storage: 4 GB available space
Recommended
- Requires a 64-bit processor and operating system
Supported Languages
*languages with full audio support
Latest news
Patch NotesOfficial
The Plague Update
After a successful launch, Team Countdown is happy to deliver the final update for Katharsi. We look forward to hearing your feedback on the updated environment and seeing you complete the achievements! Changes we've made:More plague everywhere!AchievementsNew sensorsImproved cutscenesUpdated creditsBug fixingThank you for playing Katharsi, sharing your feedback and leaving your comments!Read full article on Community Announcements (Cynic)Patch NotesOfficial
Softlock fixes
- Fixed an issue where the first waterwheel would fall prematurely and softlock the player - changed the fallback button for the lightbeam onboarding to be LT instead of RTRead full article on Community Announcements (Cynic)AnnouncementsOfficial
Katharsi is fully released
You can play right now!The full version of Katharsi is finally ready to be played! After a year of hard work, bug fixing, and listening to your feedback, the wait is over.Team Countdown is very excited to have you play our game and give us your feedback, we are planning on having one final update in about a week so share what you think and help us improve Katharsi.Read full article on Community Announcements (Cynic)
