Steam app 1424710 · updated 12 Sep 2026, 23:20 UTC
Unique, truly open-ended fantasy adventure in a strange, new world. Use battle or cunning to change the world, served by your own army of custom-made mutant monsters. Over 80 zones to explore and 50+ hours of gameplay. Multitudes of skills, abilities, factions, treasures, and servants to create.
257 hourly samples, with the daily peak drawn over them. Weekends are shaded.
68 months, February 2021 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, 156 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, 100 hourly samples from 01 Sep, which is as far back as the source keeps every hour. Weekends are shaded.
Geneforge 1 - Mutagen was released on 24 Feb, 2021.
| Language | Full audio |
|---|---|
| English | ● |
A blank audio cell means full audio was not marked in the returned language list.
30 achievements in total.
10 developer announcements, Jan 2021 to Oct 2025 · times in UTC
We have updated Geneforge 1 - Mutagen to v1.0.3. This patch fixes a number of smaller issues and completely reworks how the game is drawn and animated. Includes full screen scaling and magnification options for those with vision issues.…
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SpiderwebWe have launched the Kickstarter for our next game, and we're thrilled to finally return to the world of Avernum! Avernum 4: Greed and Glory will be an epic, indie, turn-based fantasy role-playing adventure for Windows, Mac, and iPad. It…
SpiderwebSpiderweb Software's next epic adventure is coming out on March 27, 2024! Geneforge 2 – Infestation is a truly open-ended fantasy adventure in a unique world of alien fantasy. You are one of the Shapers, wizards with the awesome power to…
SpiderwebWe have launched a Kickstarter for our next title, a full remaster of Geneforge 2, released wayyyy back in 2003. Geneforge 2 - Infestation will be the second chapter in the reborn Geneforge Saga. We want to go over it and redo everything…
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SpiderwebWe've released a v1.0.2 patch for Geneforge 1 - Mutagen. It fixes a handful of bugs and typos. Geneforge 1 - Mutagen has been a surprising success for us, and its sales were far beyond expectations. Thank you all for your support!
Patch notesThe first update, to fix a bunch of stuff: - A host of typo fixes and minor tweaks. - A number of exploits have been fixed. Sorry! - Endurance is now cheaper and gives you more health at higher levels. - Dante’s Guile now helps with…
Patch notesGeneforge 1 - Mutagen is a unique, truly open-ended fantasy role-playing adventure in a strange, new world. Use battle or cunning to change the world, served by your own army of custom-made mutant monsters. Over 80 zones to explore and 50+…
SpiderwebGeneforge 1 - Mutagen is a unique, truly open-ended fantasy role-playing adventure in a strange, new world. Use battle or cunning to change the world, served by your own army of custom-made mutant monsters. Over 80 zones to explore and 50+…
SpiderwebEverything Steam lists as add-on content for this game, newest first. Prices are left out on purpose: the store answers this page in one currency and it is not the reader's.
| Name | Platforms | Released |
|---|---|---|
| Geneforge Hintbook and Bonuses | WindowsmacOS | 24 Feb 2021 |
What Steam runs, and with what. Straight from the app configuration.
| Description | Executable | Arguments | Platform | |
|---|---|---|---|---|
| Launch | Geneforge Mutagen.exe | windows | ||
| Launch | Geneforge Mutagen.app\Contents\MacOS\Geneforge Mutagen | macos |
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 |
|---|---|---|
WinMyDocuments | Spiderweb Software/Geneforge Mutagen Saved Games | * and below |
MacAppSupport | Spiderweb Software/Geneforge Mutagen Saved Games | * and below |
It runs on public data and somebody's spare time.
https://paypal.me/KintaroPalPay[email protected]0x4d559C765AA8BFe336E36d5b76024926767eD38dTJtctWU9uetJaTBoSybd1RErW7n9duTKVG