Katharsi

Katharsi

Team Countdown · 2025 · Puzzle, Adventure, 3D, Third Person, Story Rich

PC
This game is free to play. Get it on Steam →

Screenshots

About Katharsi

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.

What Steam players say

Recent verbatim reviews from Steam — separate from playze.io community reviews below.

Not recommended Jan 25, 2026
Fortunately it’s free, because the enigmas are at the level of Lego Batman
Recommended Jan 19, 2026
An enjoyable brief puzzle game. A brief introduction to who the protagonist was supposed to be and why they were in the cathedral would have slightly improved the experience.
Recommended Jan 7, 2026
Really short and simple puzzle game. The graphics are very rough, and the voice acting also isn't great, but I had fun with the later and more complex puzzles. They reminded me of the deadly laser puzzles from Portal 2.
Recommended Dec 5, 2025
Great visuals playing on ultra graphics, accompanied with some endearing narration. Hungry for some honey cake now. Interesting puzzle mechanics with a straightforward story. Need a continuation !
Recommended Nov 26, 2025
good puzzle game, also a relaxing game
Recommended Nov 4, 2025
As a free student project, Katharsi offers a solid and atmospheric puzzle experience, though it's held back by some technical shortcomings, especially on handhelds. The core gameplay of using light to cleanse a corrupted Byzantine cathedral is compelling. The puzzles are satisfying without being overly obtuse, and the mysterious companion adds a nice narrative hook. The atmosphere is thick and the core concept is well-executed. However, playing on a Steam Deck OLED highlighted some issues. The game is not well-optimized; I was forced to use Low settings as anything higher caused performance problems. For a short game (I finished in about 30 minutes), the install size feels disproportionately large. The visual style, while fitting for the theme, comes off as quite grey and could benefit from a more distinct or colorful art direction to enhance the "cleansing" mechanic. The Bottom Line for Steam Deck: It's playable, but only on Low settings, and be prepared for a large download for a brief experience. Considering this is a free game from a student team, it's a commendable effort with enjoyable puzzles at its heart. It's a neat proof-of-concept that, with more optimization and vis…

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