Steam app 3667390 · updated 12 Sep 2026, 20:23 UTC
Black Hole Fishing is an absurd incremental game about catching, breeding, and perfecting SO MANY fish. Catch a fish, optimize its traits, then stock your pond with it as you pour fish and science into an endless singularity!
716 hourly samples, with the daily peak drawn over them. Weekends are shaded.
6 months, April 2026 to September 2026. The highest number of people in the game at once, each month, on a time axis -- a gap in the record stays a gap.
The highest number of people in the game at once, each month. Four, because four is as far back as the source keeps anything finer than one figure a month.
31 days, each one the highest figure that day. The source keeps no hourly detail this far back. Weekends are shaded.
31 days as the curve, each the highest figure that day. Behind it, 432 hourly samples from 13 Aug, which is as far back as the source keeps every hour. Weekends are shaded.
12 days as the curve, each the highest figure that day. Behind it, 284 hourly samples. Each dip is a night. Weekends are shaded.
Black Hole Fishing was released on 7 Apr, 2026.
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A blank audio cell means full audio was not marked in the returned language list.
17 achievements in total.
21 developer announcements, Jun 2025 to Sep 2026 · times in UTC
Changelog: There were a lot of small changes in this one, but here are the highlights: 1. Performance is increased. I see a 2X framerate improvement on my computer, but ymmv. 2. We added 3 save slots and gave the save system one more…
Patch notesSummer Update - What's new, and what's next?Hey, friends! I just wanted to share an update on Black Hole Fishing. It's been a little while (I got to learn about burnout 🙃), but I'm back and updating again. Here's what's new, and what's…
SDG GamesChangelog: Added FPS Limiter Added Bleach achievement to prevent confusion for new players (code is added, I will set up the actual achievement soon) Added more story beats on compression events Added 2 new animations for prestige and game…
Patch notesThank you everyone for an amazing launch! (and for 250 reviews)!So, Black Hole Fishing is my first game ever. I feel like the launch week was a bit rough (lots of bugs and issues right away), but in general, I am still happy with how things…
SDG GamesChangelog: Fixed an issue from the last patch which causes some cards in the hand to be invisible under certain circumstances Multiple performance updates - frame rate is up to 3X lower :) Mainly targeted hatchery and fish scoring Notes…
Patch notesChangelog: Traits are now in 2 columns in the fish card. Fish cards grow on hover so they are easier to read. Fish card text is slightly larger as well. Misc. performance improvements and bug fixes (sorry, I forgot what I put in here...)…
Patch notesChangelog: Cleaned up some UI elements, more clarity in the Fish Lab Made quick scan 3X faster when scanning consecutive already-unlocked cards Performance improvements in the late-game (more to come) Added another cannon upgrade to make…
Patch notesThe last hotfix caused eye color traits to disappear in some circumstances. This has been fixed. In other words, I made an eye patch XD. (I finally got some sleep now, so expect the quality of the jokes to drop going forwards) Note: Thank…
Patch notesChangelog: Fix multiple display issues Currency patch - all numbers should display correctly now Prevent tool-tips from spawning as sub-windows (was causing FPS monitor to snap to the tool-tip) Hatchery navigation fixed - broken in hotfix 4…
Patch notesChangelog: I was able to confirm that one of the achievements still wasn't firing after the last patch. That is fixed now. I also added some extra checks when loading a save. Income indicators on the black hole are reporting correctly for…
Patch notesChangelog: Fixed fish freezing in expeditions after timer expires Added extra safeguards when loading a save. Auto-saving is more reliable and slightly less frequent. If a save fails, all saves and auto-saves will be copied to a new folder…
Patch notesPatch 1 introduced lag in a couple of areas. This should be fixed. Also, I reduced the Hatchery trait limit back to the intended design (4 max per fish, so it matters which ones you choose). I like the idea of expanding this in the future…
Patch notesPatch notes: Fixed mass stall around 2 billion Fixed currency rollover issue (partial fix) Corrected a few invalid costs (stocker price drops) Fixed speed scanner prestige upgrade Some achievements were firing conditionally based on how you…
Patch notesWelcome to Fishy Friday #7: Oh, Boid! That's a lot of fish!Hello, friends! We are currently 4 weeks away from the launch of Black Hole Fishing! It's exciting (and slightly terrifying) all at the same time! Generally, I am excited, though.…
SDG GamesWelcome back to Fishy Friday #6: Forecasting Fish For Q1 2026Welcome back to Fishy Friday! Today, we have two announcements to share. One: we have an updated trailer! I'm really proud of how this turned out, so if you missed it, give it a…
SDG GamesWelcome to Fishy Friday #5 - Into the VortexWelcome back to Fishy Friday! The past month has been filled with many exciting things like Design documents, code cleanup, and refactoring. Just look at how organized my code is! Ok, none of…
SDG GamesWelcome to a very special edition of Fishy Friday. Today, I am happy to announce our partnership with Playsaurus! Playsaurus has a long history of creating and publishing idle games. They are the exact partner I need right now, and I am…
SDG GamesWelcome to Fishy Friday #3 - A Flood of Fancy FishWelcome back to Fishy Friday! Apologies for the delay, I had a conference and a family vacation (two exciting things that don't make for a very exciting announcement). I'm back now - and…
SDG GamesWelcome to Fishy Friday the Fourth (of July): Founding the Fish LabToday, we are diving in to the wonderful world of procedural fish! I have some good news, some bad news, and more good news and bad news.About the demo.Let's start with the…
SDG GamesWelcome to Fishy Friday the First: Foreshadowing Forthcoming Features!Ok, I'll drop the alliteration (amusing and alluring as it may be). This week, we will be looking back at the first two months of development, and laying out a roadmap…
SDG GamesWelcome to Black Hole Fishing!I just released the demo for the game for Next Fest. Actually, I stealth-launched the demo last week, but I didn't announce it until now. Thank you to the 425 people who found and played the demo anyways. I…
SDG GamesWhat Steam runs, and with what. Straight from the app configuration.
| Description | Executable | Arguments | Platform | |
|---|---|---|---|---|
| Play Black Hole Fishing | Black_Hole_Fishing.exe | windows | ||
| Launch | Black_Hole_Fishing.x86_64 | linux | ||
| Play (Compatibility Mode - older GPUs) | Black_Hole_Fishing.exe | --rendering-driver opengl3 | windows |
The folders Steam Cloud syncs. The root is a token Steam uses for a location on your own machine, not a path this page can know.
| Root | Folder | Files |
|---|---|---|
WinAppDataRoaming | Black Hole Fishing | *.cfg and below |
WinAppDataRoaming | Black Hole Fishing | *.log and below |
WinAppDataRoaming | Black Hole Fishing | *.json and below |
It runs on public data and somebody's spare time.
https://paypal.me/KintaroPalPay[email protected]0x4d559C765AA8BFe336E36d5b76024926767eD38dTJtctWU9uetJaTBoSybd1RErW7n9duTKVG