OMORI
Explore a strange world full of colorful friends and foes. When the time comes, the path you’ve chosen will determine your fate... and perhaps the fate of others as well.
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Jimmy and the Pulsating Mass on Steam
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One day, Jimmy looked inside.
Jimmy and the Pulsating Mass is a rpg, indie and horror game
developed and published by Kasey Ozymy.
Released on August 07th 2018 is available on Windows, MacOS, Steam Deck and Steam Machine.
It has received 524 reviews of which 493 were positive and 31 were negative resulting in a rating of 8.7 out of 10. 😎
The game is currently priced at 14.99€ on Steam.
The Steam community has classified Jimmy and the Pulsating Mass into these genres:
RPG
Indie
Horror
Story Rich
Great Soundtrack
Pixel Graphics
JRPG
Psychological Horror
Funny
Singleplayer
Gore
Adventure
Retro
2D
Turn-Based Combat
Here is the detailed breakdown of supported languages for Jimmy and the Pulsating Mass:
| UI | Subtitle | Audio | |
|---|---|---|---|
| English |
Media & Screenshots
Get an in-depth look at Jimmy and the Pulsating Mass through various videos and screenshots.
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System requirements
These are the minimum specifications needed to play the game. For the best experience, we recommend that you verify them.
Windows
- OS *: Microsoft® Windows® XP / Vista / 7 (32-bit/64-bit)
- Processor: Intel® Pentium® 4 2.0 GHz equivalent or faster processor
- Memory: 1 GB RAM
- Graphics: 1024 x 768 pixels or higher desktop resolution
- Storage: 300 MB available space
MacOS
- OS: Mac OSX 10.10 or better
- Processor: Intel Core2 Duo or better
- Memory: 1 GB RAM
- Graphics: Compatible OpenGLR
- Storage: 400 MB available space
Steam Price & Best Deals
User reviews & Ratings
Explore reviews from Steam users sharing their experiences and what they love about the game.
JatPM has been an insightful, interesting and expansive story with a lot of elements that rivals a lot of games out there (At least with my experience, which might be little). The lore, secrets and challenges you face can be both innocuous and impactful when you realise just how much it will challenge your decisions. And trust me, this game will genuinely knock you off your feet when you realise just how suspenseful it can get. A lot of love, time and effort went into this game and for being less than half a gig for size? It's ridiculously packed. The music as well has been wonderful too. A friend had introduced me to it to begin with, which didn't give me too much of an impression but playing the game has changed my mind wildly. There's a fair few moments where there's a lesson to be learned too, expect a heartfelt moment or two. It got a very large smile out of me at one point... Sneaky devs. To give you a sense of preparation, there will be a bit of item/ character management during your progression, slightly more in the late game. If you intend to try and complete this game to its fullest extent, expect about 100 hours of gameplay. There will be repetition, levelling up and retracing your steps. It's not a "linear" Point A to B. You need some strategy to enemies too. Don't think that you can just powerhouse DPS and think a clear win will be in sight. I'm putting this game at a very high 8 out of 10 and may bump it higher once (and if) I can complete it entirely. I've yet to still uncover everything and look forward to it.
One of the better RPGs I've played in recent years. Highly underrated! I love games that mix the light and dark, the contrast brings out its themes more than just a straight horror game. I played on easy mode to minimize grinding, though even then later fights required it. Music was great too,, there are several standout tracks, but it all fit together well.
Jimmy and the Pulsating Mass is one of my all time favorite RPGs and is in my opinion a modern day cult classic. It's hard to fit into a few short words why I love it so much, but while it may seem on the surface like yet another Indie RPGmaker game there's a level of polish that's noticeable throughout the game in all aspects. It's challenging, maybe even a tiny bit grindy, but it's never overwhelming and you can almost always just play better to overcome the obstacles. The difficulty serves the narrative but if you really don't want that then the game has options to make it easier (or harder if you're a real challenge junkie). And boy, do I love the writing. It's not a terribly hard game to understand, but it's a game where you can just sit and meditate on it and find new layers you hadn't even considered before. Uncle Lars is one of my favorite characters like, ever.
4.7/5 A surprisingly excellent and meaningful RPG. I would give it 5/5, except that there are a few aspects of this game that I wouldn't recommend to all players. Admittedly, I started this game with low expectations and thought it would be an Earthbound/Undertale ripoff. But it's not. While it certainly tips its hat in those directions, the game has its own depth of story, personality, and sheer gameplay that made me sink a good 1-2 hours into it per play session. The music was quite good, too, which is impressive for the number of tracks and the variety of styles. It was easy to more or less unconsciously "grind" levels while just wandering around and appreciating the aesthetics. I was consistently impressed with the creativity of the different abilities and the boss fights. I played on Easy mode, and I still had to think through several interactions. Even when I was starting to get overpowered near the end, the game managed to keep me on my toes. It was the perfect level of casual gameplay. Also, it was quite creative in the way it hid several secrets. I've been playing games for a long time now, and for this kind of game it's hard to set up fresh situations, but this game was able to pull it off consistently. And even when the kinds of puzzles were typical JRPG fare, the game was able to contextualize them in a way that made them seem fresh. Mild Spoiler Warning for next couple sections: The only thing I deducted points for is the fright level and emotional heaviness of a few aspects of the game might be a bit much for some players. Overall, though, it does an incredible job of walking the fine lines along the intersections between sentimentalism, nightmarishness, and grief pr0n. That's not easy to do. Also, I should mention it because it was relatively early in the game (~6 hours?) but the haunted house section (which I think might technically be optional) dragged on for way too long and required a lot of aimless walking back and forth in a rather uncomfortable setting. The only reason I mention it is that it was the only part of the game when I started feeling annoyed enough to just put it down and move on since it was still fairly early.
The sheer amount of symbolism underlying Jimmy's narrative and environments are insane. The major points aren't subtle, but there's always more to dig into, always subtleties beyond what is obvious. The ultimate narrative point of Jimmy could be summed up in a sentence, but the game's commitment to communicating it indirectly, to embracing symbolic dream logic as its ultimate mode of communication rather than a shroud to eventually pull away, makes it consistently engaging and worthwhile. Also the gameplay is pretty fun, and the world is shockingly full of side content and bonus areas to explore.
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Frequently Asked Questions
Jimmy and the Pulsating Mass is currently priced at 14.99€ on Steam.
No, Jimmy and the Pulsating Mass is currently not on sale. You can purchase it for 14.99€ on Steam.
Yes, Jimmy and the Pulsating Mass received 493 positive votes out of a total of 524 achieving a rating of 8.74.
😎
Jimmy and the Pulsating Mass was developed and published by Kasey Ozymy.
Yes, Jimmy and the Pulsating Mass is playable and fully supported on Windows.
Yes, Jimmy and the Pulsating Mass is playable and fully supported on MacOS.
No, Jimmy and the Pulsating Mass is not playable on Linux.
Yes, Jimmy and the Pulsating Mass is playable on Steam Deck, though it might require a few minor tweaks. Make sure to check the Steam store page and community feedback on ProtonDB for exact compatibility details.
Yes, Jimmy and the Pulsating Mass is playable on Steam Machine, though it might require a few minor tweaks. Make sure to check the Steam store page and community feedback on ProtonDB for exact compatibility details.
No, Jimmy and the Pulsating Mass does not support VR.
Jimmy and the Pulsating Mass is a single-player game.
Yes, there is a DLC available for Jimmy and the Pulsating Mass. Explore additional content available for Jimmy and the Pulsating Mass on Steam.
No, Jimmy and the Pulsating Mass does not support mods via Steam Workshop.
No, Jimmy and the Pulsating Mass does not support Steam Remote Play.
Yes, Jimmy and the Pulsating Mass is enabled for Steam Family Sharing. This means you can share the game with authorized users from your Steam Library, allowing them to play it on their own accounts. For more details on how the feature works, you can read the original Steam Family Sharing announcement or visit the Steam Family Sharing user guide and FAQ page.
You can find solutions or submit a support ticket by visiting the Steam Support page for Jimmy and the Pulsating Mass.
Data sources
The information presented on this page is sourced from reliable APIs to ensure accuracy and relevance. We utilize the Steam API to gather data on game details, including titles, descriptions, prices, and user reviews. This allows us to provide you with the most up-to-date information directly from the Steam platform.
Additionally, we incorporate data from the SteamSpy API, which offers insights into game sales and player statistics. This helps us present a comprehensive view of each game's popularity and performance within the gaming community.
Last Updates| Steam data | 26 September 2026 09:20 UTC |
|---|---|
| SteamSpy data | 25 October 2026 03:05 UTC |
| Steam price | 27 October 2026 19:54 UTC |
| Steam reviews | 21 October 2026 09:56 UTC |
If you'd like to dive deeper into the details about Jimmy and the Pulsating Mass, we invite you to check out a few dedicated websites that offer extensive information and insights. These platforms provide valuable data, analysis, and user-generated reports to enhance your understanding of the game and its performance.
- SteamDB - A comprehensive database of everything on Steam about Jimmy and the Pulsating Mass
- SteamCharts - Analysis of Jimmy and the Pulsating Mass concurrent players on Steam
- ProtonDB - Crowdsourced reports on Linux and Steam Deck Jimmy and the Pulsating Mass compatibility
Game modes
Features
Online players
2
Developer
Kasey Ozymy
Publisher
Kasey Ozymy
Release
07 Aug 2018
Platforms