Split supplied program versions between owned releases and third-part…

…y suppliers

README.md

@@ -12,12 +12,27 @@ A reimplementation of the 1997 Bullfrog business sim Theme Hospital. As well as
 
 ## Getting Started ##
 
-You will need the following:
+To play the game, you will need to install the CorsixTH program for your system, and have access to the graphics, sound and other data from the original game.
+
+### Install the program ###
+
+We provide installable versions for Windows and macOS at [releases](https://github.com/CorsixTH/CorsixTH/releases).
+
+Alternatively, other groups are also providing the software.
+
+- For Linux and BSD systems, the program is often available as `corsixth` or `corsix-th` package in your distribution. If you have trouble finding it, you may want to take a look at a site that provides an overview for packaged versions, such as [repology.org](https://repology.org/metapackage/corsixth).
+
+- A Flatpak for Linux users is available on `Flathub`
+  - [Download](https://flathub.org/apps/details/com.corsixth.corsixth)
+
+- A Snap for Linux users is available on Snapcraft
+  - [Download](https://snapcraft.io/corsixth)
+  - [Support](https://github.com/snapcrafters/corsixth)
+
+If you prefer one of these releases, please also use their services for reporting or fixing problems.
+
+### Get the graphics, sound and other data from the original game ###
 
-- Grab the latest installer for your system:
-   - Windows and macOS builds can be downloaded directly from [releases](https://github.com/CorsixTH/CorsixTH/releases).
-   - Linux and BSD repositories use either corsixth or corsix-th names [packaged versions](https://repology.org/metapackage/corsixth).
-   - A Flatpak for Linux users is available on [Flathub](https://flathub.org/apps/details/com.corsixth.corsixth).
 - We use graphics, sound and other data from the original game so one of the following is required:
    - Original game CD from eBay etc. or your dusty bookshelf:smile:
    - A download from [GOG.com](https://www.gog.com/game/theme_hospital) or [EA](https://www.ea.com/games/theme/theme-hospital)