A downloadable game for Windows

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The technician before you was unable to process the body, and failed to report the issue for nearly 17 hours. As a result, the site has become increasingly hazardous. Find the filter they left behind and use it to process the deceased.

You are the only person expected to be present. Avoid anything that suggests otherwise. 

Spectral Filter is a short horror game developed by Austin Schaeffer over the span of about 2 months with an original soundtrack by Cyrus Byrd. This was made for fun in my free time so no technical support can be provided as I will be busy working on Compound Fracture.

Download the soundtrack here.

Content warning: Contains flashing lights and mild but easily avoidable jumpscares.

Updated 5 days ago
Published 25 days ago
Rated 4.7 out of 5 stars
(30 total ratings)
TagsAtmospheric, Creepy, Dark, First-Person, Ghosts, Horror, Psychological Horror, Short, Singleplayer, Spooky


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Click download now to get access to the following files:

Spectral Filter.zip 572 MB
Bonus Content.rar 915 MB

Development log


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Viewing most recent comments 1 to 40 of 47 · Next page · Last page

Beautiful game. I really enjoyed the atmosphere and the way the tension builds and then the peacefulness after the filter finishes. Really well done.

This game was genuinely scary to me. I could barely explore without being afraid of what I might find hiding in the dark. VERY GREAT GAME!

The atmosphere and overall look of this game is absolutely beautiful and amazing! I loved every bit of this game!

Very cool game, keep it up! The atmosphere/bg sounds scared me the most

The game has a really tense atmosphere.He sees you while you are playing and you are always on the alert. thanks for your work. I want you to check out the video :) 
TTürk olarak oyunu oynadım. İzleyebilirsiniz

Topluluk Tarafından Doğrulandı simgesi

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Such an awesome and beautiful game! that arts & graphics got me! i want more of this!

The atmosphere on this one was SO moody! Loved playing it. Looking forward to Compound Fracture! 

la ambientación simplemente es brutal, me hubieran gustado mas acciones paranormales para tener mas terror, pero sin duda alguna me ha encantado

This game almost scared me...

This was so scary I started crying at a couple points.  I had to create a new playlist on my channel for games ranked higher than 10/10 because of this game!  WOW!  just holy fuckin shit WOW!

Man, that had me feeling...some kinda way. Other than the map being about 3x too large and disorienting in the dark (emergency lights around the breaker box woulda helped) this really stands out for an indie freebie. Very rich atmosphere, like many dreams I've had. A rare diamond in the dungheap, even the menus, loading screens and whatnot were polished. Hope this gets expanded into something with more lore and gameplay sophistication, so I can pay you $$$ for it on Steam one day.


This game is fantastic and it's only developed by one person, that is so insane. First off this game looks and runs so incredibly well that it's mind blowing. The atmosphere and tension that you build throughout the entire game is just perfect. If you love horror games this is 100% one to play. Amazing job!


Amazing little game you got here mate, really looking forward to what’s next, loved the atmosphere and tense claustrophobic situations!


Thanks again for such kind words on Twitter from the dev! If you're looking at comments to see if this game is good or not, just download it and play it. One of my favorite horror experiences over the past year.

Thanks to the kind journal, I was able to play smoothly.
The game had a great atmosphere and visuals.
In streaming, the first half is cleared, and the second half is running around looking for monsters.



The best job I ever had.

Nice Atmosphere and the game is gorgeous to look at, got stuck at the maze like complex avoiding spectral and the big one. Great game a nice experience 

Was creeped out the whole time waiting for something to come after me, great game!

I'm new to YouTube and it would help a lot if you leave a like or subscribe if you like the content, also you can request a game by leaving a comment!

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I know it took you a long time but good game my man. It was well worth the effort for us to experience this.

Really enjoyed this game. The Atmosphere, and game design was top notch! Only qualms I had was after the first ghostie scare, each one after was just their. Would've been cool to have different types of jumps with each consecutive ghost you ran into. Also, the objects you can pick up and throw, wish they would've made sound when connecting with the wall, or floor. There's also other comments I made in the video that my brain can't remember as I type this. A few tweaks and this game can go from Great to Amazing, in my opinion. Still a wonderful experience that had me on edge for a large portion of it. Check out the playthrough, I had a pretty good time with it!

Fantastic atmosphere. Solid gameplay loop that added to the effect and made it a better experience than a walking sim with horror elements. You can tell a lot of passion went into making this!

My only complaint is that I wish the game made more attempts to actively scare the player. The atmosphere built tension and made exploring the maze-like map a game of wondering when the tension would break. Would've been cool to break it with some scare events.

Still, 10/10 atmospheric experience, and I would absolutely play a story game that felt like this. :)


This was honestly, in my recent experience of playing games on this website, one of my favorite experiences so far. Great lighting, great details on the environment, a well organized layout that didn't feel restricting or linear and great accompanying sounds. The ghosts felt docile and unthreatening and idk if that was the intention, but if so then it really sells the narrative that we are saving these souls. 

Hah, those creepy breathing sounds really got me! Good stuff, love the audio, more lore would be nice though.

I will be playing this live tomorrow 3/6 around 630-7 PM EST =D.


Though not too many scares, the atmosphere alone haunted me even after the game was over. Very nice!


Fantastic atmospheric horror. Will list it as 'The best atmosphere' of 2023 currently. I enjoyed feeling tense for as long as I could while not knowing 'what was in the game with me', good ambience too, it'd just need more randomized sound events for more variability.

great short creepy game

Great visuals and environment, I enjoyed it! I'd suggest adding some sound effects when you throw objects aside that it was fun, good work :)

Amazing! Great Work Austin & Cyrus! 

I actually have a few theories on whats going on. I wonder if that was the intention or the developer has different take. 

Loved it. thought provoking and beautiful. 

I know the dev has heard this a lot but well done on the audio but also the overall world that makes you feel so trapped wondering the darkness. Greatly enjoy this game and looking for more. 

My take on it for those brave enough:

Muy intenso sin screamers


The sound design of this game is fantastic. I also think this game looks amazing, not just in terms of graphics but in the design of the interiors and the lighting as well. The story is confusing and there are disconnects from immersion caused by the vague objectives and a main character that the player seemingly cannot understand or hope to understand. 

By the end of this game I was wondering if there were AI enemies or anything like that and I'm still not entirely sure if it does. I definitely was scared of the atmosphere but I think it's for the best that I never find out if there were things in the dark or not because that unknown variable is what makes this game as good as it is.

Thanks for making games!


This was such a creepy and beautiful game. Keep up the great work! 


This was insanely well made, tbh you could just take out the jump scares and have the sounds do their work, I didn't encounter a jump scare but was still tensed up from all the sounds and doors moving. And the graphics/lighting is amazing for being made in unity. Made a video on it.

Beautiful environments! Some of the transitions between events felt a bit abrupt/took me out of the atmosphere somewhat, but the fantastic environment work compensates for that.


Breathtaking and profound horror, nothing alike I've played for a while! 

To me, this was extraordinary experience. From the beginning, it seemed like the story would go towards the route of "someone chasing you" in the building, yet it truly provided a great depth, atmosphere and creepy moments, which were small and impactful. It has been a while since I've played the raw, environment based horror, where you can actually feel in the shoes of the character. Bravo developer. 

I had no issues with the game. The performance, mechanics and sound design - perfection. Best of luck with the future developments. Cheers! 

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This was a great little experience. Admittedly I became lost when it came time to restore power the second time because I didn't recall where to backtrack, but that was mostly because I wasn't paying attention to my surroundings. I avoided the ghosts so no jump scares for me, but the environment and sound design combo (as well as the paranormal events toward the end) really kept me on the edge of my chair.

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A really solid little game, and a reminder that the dead are human. 

Had some heavy frame drops in a few loading areas, luckily they smoothed out once things were loaded. 

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