Everything I've tried so far (single player scenario), played for a few hours.
What does not
What was not tested
|Fedora 37 x86_64
|Aug 20 2023
|Arch Linux x86_64
|Mar 19 2021
|Gentoo Linux x86_64
|Jan 02 2021
|William J May
|FreeBSD 11.0 x86_64
|Jan 09 2017
|Linux Mint 18 "Sarah" x86_64
|Dec 03 2016
|an anonymous user
To get multiplayer working, you need native directplay dlls. The old howto had a link pointing to outdated directplay dlls which cause problems with wine and generally don't work as expected. However with the latest dplay from DirectX 9.0c multiplayer is (almost - see note for details) flawless.
In the wine wiki is described how to get native direct play dlls.
Personally I would recommend using winetricks directplay which installs dplay dlls and sets overwrite in winecfg, however you may choose do install manually those files in which case you need to:
You can now play Heroes 3 in HD, utilizing the full size of your screen, thanks to Heroes3HD mod. It doesn't change anything gameplay wise.
With recent Wine releases, Wine prefixes are set to Windows 7. Currently, it causes rendering issues when HD or HD+ mod are installed.
winecfg and setting the Windows version to Windows XP solves the rendering issues.