A downloadable game for Windows and macOS

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Search for your missing crew and survive a seemingly desolate space fortress.


  • Explore the unknown to find and identify the lost members of your team.
  • Use the flashscan to search for tracks, inspect key objectives and also to defend yourself. However, your charges are limited, so you'll have to restock from light sources from time to time.
  • Find all 5 crewmates and head back to your space ship to escape and see how fast you finish with time-completion displayed at the ending.
  • Finish the game to unlock "Hardcore Mode" and discover an altered experience.


  • HOLD LEFT MOUSE - FLASHSCAN [Inspect and Defense Tool]
  • HOLD RIGHT MOUSE - ABSORB LIGHT [Recharge Flashscan]

Misc Info

Trimorta is a horror-adventure game made initially within 10 days for Scream Jam 2020. It is now updated to version 1.21 with various fixes, improvements and additions. For a full list of changes, check out these devlogs: 1, 2, 3.

This game takes inspiration from movies and games like Prometheus, Shape of Water, Resident Evil, Destiny and Horizon Zero Dawn.

All 2D & 3D graphic assets were made from scratch. While the sound effects were edited from free-to-use sources, as well as most of the music.

In the v1.2 update, I created and added a new outro theme "Lost Cause", which would only play if you manage to beat the game's "Normal Mode", while another original track "Unknown Fate" will play on hardcore ending, so good luck to everyone and hope you finish both difficulties.

Enjoy the spook fest! ๐Ÿ‘ป

PlatformsWindows, macOS
Rated 5.0 out of 5 stars
(7 total ratings)
AuthorPolysplit Games
Made withUnity
Tags3D, Aliens, First-Person, Halloween, Horror, lone-survivor, Low-poly, Singleplayer, Space, Survival Horror
Average sessionA few minutes
InputsKeyboard, Mouse
AccessibilitySubtitles, Interactive tutorial


Download NowName your own price

Click download now to get access to the following files:

Trimorta - PC v1.21 71 MB
Trimorta - Mac v1.21 80 MB

Development log


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Este juego vale cada minuto de tu tiempo. Empieza un poco lento pero en cuanto comienza el terror, te lleva por todos lados. 

hi, big thx for the game. greetings from rosti ๐Ÿ˜

Aliens and Space Horror have always been amazing, this game is worth playing.

I really liked all the updates, thanks for adding the checkpoint mode too. Now yes i won the game! It's nice to see a developer who listen the people. Really thanks! 


Very nice, that's a good completion time! Checkpoint was very useful indeed, credits to you. ๐Ÿ˜„

I really liked working on Trimorta, however I'm still planning on improving it so new players will even have a better experience.

Thanks so much for replaying the game! โค

My God! So scary and intense! I am honestly baffled how this game has not gotten more attention. This is top notch quality. I do not have much criticism, as everything seems to polished and perfect in its own way. Of course things could be added, but they would not necessarily improve the game. The graphics are good, the audio is good, the AI is great, and the story, although not heavily relied on, is a nice addon to the game. 

And damn... "You have unlocked hard mode" my *ss. Hell naw, I could hardly complete the damn game in normal, not because of the challenge, but because I was too god damn scared to continue haha.

I must say, this was a fun and great experience. I would like a more in depth story in this game universe in the future is possible, it really holds a lot of potential I think! So great work!


I was meaning to reply soon, but was just too busy from a jam. ๐Ÿ˜„

Anyways, I enjoyed watching your playthrough! I was rooting for you till the end. I'm impressed with how much exploring you did, even though there's not much content in the game. Also I found it helpful, as seeing you play, some flaws of the game were revealed to me, like how some invisible walls were not placed properly or were very tricky.

Well overall, I'm glad you enjoyed it, but really you must try hardcore mode! ๐Ÿ˜‚

Thanks much! ๐Ÿ™

No worries haha. I do not expect an answer, though I do appreciate responses from the developers! :)

And yeah, I think one of the best things in games like these are hidden objects and secrets! I really enjoy looking for them, while having to deal with some bloodthirsty monster chasing me down. weird I know haha, but that is just how I am! ;D

Well, I could give it a go, but damn, it was pretty hard already! 

It has tremendous graphics and it's really creepy but it's annoying start over and over from the beginning. It would be nice two modes. One mode easy with no restart from the beggining and a hard mode like it is now.

Thanks for the helpful feedback! I'll consider your idea and add a solution to that in a new update/patch. ๐Ÿ˜„
For now, a tip might help you get through:
You can hide in small spaces, especially if you're out of flash charges.

Thanks for the advice and for considering my comment. I will be attentive to the updates.

It's been a while since I flashed this many men in a evening.

Haha, just updated the game where you can't do so many flashes. Thanks for making this video! ๐Ÿ˜

Ahhh keeping me modest! I appreciate that. ;{) It's a wonderful games, well done. ;{)

Really neat architecture and sound design on this one! Thanks for making it!
- Ryan of makegamergirls