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Jimmy and the Pulsating Mass
One day, Jimmy looked inside.
What players say
Steam review score and the most-helpful voices, which may include critical ones. Data as of 2026-05-20.
“I still think about this game five years later.”
— a player, Steam review · 39 hrs played“Probably the closest thing to Earthbound I've played from the rpgmaker games. Quirky and fun. Highly recommend.”
— a player, Steam review · 21 hrs played“Very very amazing rpg maker game, its up there with lisa and omori”
— a player, Steam review · 43 hrs playedPlayer activity
Monthly average concurrent players. Live count fetched 2026-07-24 00:33 UTC · history via SteamCharts.
Price tracking
US-region pricing (USD), sampled twice daily by our own tracker since 2026-07-25. Steam prices vary by region — always confirm your local price on Steam.
Regional prices at last sample, in local currency — Steam sets each region's price independently.
Cheapest → most expensive, converted to USD at ECB reference rates (2026-07-24). Relative comparison only.
Latest official news
Developer announcements via the Steam news API — links go to the original posts. More across all games on the news hub.
7/12/26 Bug Fixes
Hey everyone! This update mostly just fixes all the bugs that have come up since the March update. I don't really have a full list of changes since I'm really bad at record-keeping; I'll have to get b
3/15/26: Major Update
Hey, everyone! As you might have heard, Jimmy and the Pulsating Mass recently got a console release. I wanted to get this version updated to match that, but it might take longer than expected, so I go
Kickstarter for New Game: Hymn to the Earless God
I'm excited to announce my new game, Hymn to the Earless God ! It's still in development, so right now more than anything, this game needs your support! Please support Hymn to the Earless God on Kicks
11/1: Mostly small fixes
Hey, everyone! This is hopefully going to be the last update for Jimmy; it's been a while since the last one, so this one is mostly just a fix for a handful of outstanding bugs. As always, if you find
3/21 Update Large Sprite Crash Fix
Hey, everyone, this update has been a long time coming. While many of you have been able to run Jimmy without any problems, some computers experienced crashes when walking in front of things like sign
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Screenshots
Official Steam store screenshots — click any shot to enlarge.
Facts & details
From the Steam store record, snapshot 2026-05-20.
| Genres | Indie, RPG |
| Player tags | RPG · Indie · Horror · RPGMaker · Great Soundtrack · Story Rich · Pixel Graphics · Psychological Horror · Funny · JRPG · Adventure · Gore (SteamSpy community voting) |
| Features | Single-player · Partial Controller Support · Family Sharing |
| Languages | English |
| Estimated owners | 20,000 – 50,000 (SteamSpy) |
| Official site | http://rpgmaker.net/g/jimmy/ |
Minimum system requirements (PC)
Minimum: 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