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Illwinter's Floorplan Generator
This grid based floorplan generator is ideal to quickly create encounter locations for your favorite RPG. These can then easily be printed or exported to Roll20, Fantasy Grounds and similar applications.
What players say
Steam review score and the most-helpful voices, which may include critical ones. Score via SteamSpy as of 2026-05-13.
“Good mapping program, especially considering the price and the flexibility of importing assets. Compared to Dungeondraft - it is not as flexible for generating rooms of different shapes, but it is slightly easier to import additional assets than Dungeondraft and is definitely…”
— a player, Steam review · 40 hrs played“I don't know what it is about this editor in particular but so far (at least for battle maps & floor plans) I have been more productive with this editor than any other free online tool I could get my hands on. As far as I'm concerned this is a 10/10.”
— a player, Steam review · 4 hrs played“Simple and effective map maker for ttrpgs, or storybook pictures of maps.”
— a player, Steam review · 38 hrs playedPlayer activity
Monthly average concurrent players. Live count fetched 2026-08-02 20:20 UTC · history via SteamCharts.
Latest official news
Developer announcements via the Steam news API — links go to the original posts. More across all games on the news hub.
Illwinter's Floorplan Generator 1.50
This performance update makes dungeons with many different icons substantially faster, both when placing icons and when redrawing the graphics in general. Changes Performance improvement for dungeons
Illwinter's Floorplan Generator 1.49
This update fixes a few things in the random dungeon editor. Changes Icon flipping didn't work for random dungeons, fixed Can now have more icons per room in random dungeons
Illwinter's Floorplan Generator 1.48
This is a bug fix update. Most importantly it fixes a bug where icons with negative angles could change their rotation one degree after saving and reloading. Changes Fix for negative icon angles chang
Illwinter's Floorplan Generator 1.47
This update fixes a rendering bug that could result in some walls not behaving as walls, e.g. shadows could be missing and icons could be drawn on top of the wall. There has also been a few minor bug
Illwinter's Floorplan Generator 1.46
This update modernizes IFG and makes sure it runs nicely on new computers. Mac users now requires an ARM Mac (M1+) in order to run the latest version of the program. Old Mac users can still use the ol
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Screenshots
Official Steam store screenshots — click any shot to enlarge.
Facts & details
From the Steam store record, snapshot 2026-05-13.
| Genres | RPG, Design & Illustration, Utilities |
| Player tags | Design & Illustration · RPG · Utilities · Software · Tabletop (SteamSpy community voting) |
| Features | Steam Workshop |
| Languages | English |
| Estimated owners | 50,000 – 100,000 (SteamSpy) |
| Official site | http://www.illwinter.com/floorplan |
Minimum system requirements (PC)
Minimum: Requires a 64-bit processor and operating system Processor: 64-bit intel/amd cpu Memory: 4 GB RAM Storage: 200 MB available space