diff --git a/pkgs/games/doom-ports/zandronum/add_gitinfo.patch b/pkgs/games/doom-ports/zandronum/add_gitinfo.patch
index 4d8d7c837961..33f51ecb125d 100644
--- a/pkgs/games/doom-ports/zandronum/add_gitinfo.patch
+++ b/pkgs/games/doom-ports/zandronum/add_gitinfo.patch
@@ -1,15 +1,15 @@
-diff -Naur blah/src/gitinfo.h blah2/src/gitinfo.h
---- blah/src/gitinfo.h	1969-12-31 16:00:00.000000000 -0800
-+++ blah2/src/gitinfo.h	2017-09-15 01:44:43.953562714 -0700
+diff -r 4178904d7698 src/gitinfo.h
+--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
++++ b/src/gitinfo.h	Fri Dec 01 13:02:42 2023 -0300
 @@ -0,0 +1,11 @@
-+// dd3c3b57023f64cda84f09ed13e4c03a4ad2b920
++// 4178904d769879e6c2919fb647ee6dd2736399e9
 +//
 +// This file was automatically generated by the
 +// updaterevision tool. Do not edit by hand.
 +
-+#define GIT_DESCRIPTION "ZA_3.0-0-dd3c3b57023f"
-+#define GIT_HASH "dd3c3b57023f64cda84f09ed13e4c03a4ad2b920"
-+#define GIT_TIME "2017-09-01 06:40:50 -0500"
-+#define HG_REVISION_NUMBER 1504266050
-+#define HG_REVISION_HASH_STRING "dd3c3b57023f"
-+#define HG_TIME "170901-1140"
++#define GIT_DESCRIPTION "ZA_3.0.1-572-4178904d7698"
++#define GIT_HASH "4178904d769879e6c2919fb647ee6dd2736399e9"
++#define GIT_TIME "2021-12-11 16:35:55 -0500"
++#define HG_REVISION_NUMBER 1639258555
++#define HG_REVISION_HASH_STRING "4178904d7698"
++#define HG_TIME "211211-2135"
diff --git a/pkgs/games/doom-ports/zandronum/default.nix b/pkgs/games/doom-ports/zandronum/default.nix
index 436a8738b5b1..0006ea3c7ce5 100644
--- a/pkgs/games/doom-ports/zandronum/default.nix
+++ b/pkgs/games/doom-ports/zandronum/default.nix
@@ -1,36 +1,54 @@
-{ stdenv, lib, fetchhg, cmake, pkg-config, makeWrapper, callPackage
-, soundfont-fluid, SDL, libGL, glew, bzip2, zlib, libjpeg, fluidsynth, openssl, gtk2, python3, game-music-emu
+{ stdenv
+, lib
+, fetchhg
+, cmake
+, pkg-config
+, makeWrapper
+, callPackage
+, soundfont-fluid
+, SDL_compat
+, libGL
+, glew
+, bzip2
+, zlib
+, libjpeg
+, fluidsynth
+, fmodex
+, openssl
+, gtk2
+, python3
+, game-music-emu
 , serverOnly ? false
 }:
 
 let
   suffix = lib.optionalString serverOnly "-server";
-  fmod = callPackage ./fmod.nix { };
+  fmod = fmodex; # fmodex is on nixpkgs now
   sqlite = callPackage ./sqlite.nix { };
   clientLibPath = lib.makeLibraryPath [ fluidsynth ];
 
-in stdenv.mkDerivation rec {
+in
+stdenv.mkDerivation rec {
   pname = "zandronum${suffix}";
-  version = "3.0.1";
+  version = "3.1.0";
 
   src = fetchhg {
-    url = "https://hg.osdn.net/view/zandronum/zandronum-stable";
-    rev = "ZA_${version}";
-    sha256 = "16v5b6wfrmabs3ky6isbfhlrqdjrr1pvfxlxwk0im02kcpxxw9qw";
+    # expired ssl certificate
+    url = "http://hg.osdn.net/view/zandronum/zandronum-stable";
+    rev = "4178904d7698";
+    hash = "sha256-5t36CoRPPjDKQE0DVSv2Qqpqko6JAXBI53tuAYiylHQ=";
   };
 
   # zandronum tries to download sqlite now when running cmake, don't let it
-
   # it also needs the current mercurial revision info embedded in gitinfo.h
   # otherwise, the client will fail to connect to servers because the
   # protocol version doesn't match.
-
-  patches = [ ./zan_configure_impurity.patch ./add_gitinfo.patch ./dont_update_gitinfo.patch ];
+  patches = [ ./zan_configure_impurity.patch ./dont_update_gitinfo.patch ./add_gitinfo.patch ];
 
   # I have no idea why would SDL and libjpeg be needed for the server part!
   # But they are.
-  buildInputs = [ openssl bzip2 zlib SDL libjpeg sqlite game-music-emu ]
-             ++ lib.optionals (!serverOnly) [ libGL glew fmod fluidsynth gtk2 ];
+  buildInputs = [ openssl bzip2 zlib SDL_compat libjpeg sqlite game-music-emu ]
+    ++ lib.optionals (!serverOnly) [ libGL glew fmod fluidsynth gtk2 ];
 
   nativeBuildInputs = [ cmake pkg-config makeWrapper python3 ];
 
@@ -53,6 +71,7 @@ in stdenv.mkDerivation rec {
 
   hardeningDisable = [ "format" ];
 
+  # Won't work well without C or en_US. Setting LANG might not be enough if the user is making use of LC_* so wrap with LC_ALL instead
   installPhase = ''
     mkdir -p $out/bin
     mkdir -p $out/lib/zandronum
@@ -61,6 +80,8 @@ in stdenv.mkDerivation rec {
        ${lib.optionalString (!serverOnly) "liboutput_sdl.so"} \
        $out/lib/zandronum
     makeWrapper $out/lib/zandronum/zandronum${suffix} $out/bin/zandronum${suffix}
+    wrapProgram $out/bin/zandronum${suffix} \
+      --set LC_ALL="C"
   '';
 
   postFixup = lib.optionalString (!serverOnly) ''
@@ -76,7 +97,7 @@ in stdenv.mkDerivation rec {
     homepage = "https://zandronum.com/";
     description = "Multiplayer oriented port, based off Skulltag, for Doom and Doom II by id Software";
     maintainers = with maintainers; [ lassulus MP2E ];
-    license = licenses.unfreeRedistributable;
+    license = licenses.sleepycat;
     platforms = platforms.linux;
   };
 }
diff --git a/pkgs/games/doom-ports/zandronum/dont_update_gitinfo.patch b/pkgs/games/doom-ports/zandronum/dont_update_gitinfo.patch
index d6dd3a58f457..d1cf831819c3 100644
--- a/pkgs/games/doom-ports/zandronum/dont_update_gitinfo.patch
+++ b/pkgs/games/doom-ports/zandronum/dont_update_gitinfo.patch
@@ -1,10 +1,10 @@
-diff -r dd3c3b57023f src/CMakeLists.txt
---- a/src/CMakeLists.txt	Fri Sep 01 06:40:50 2017 -0500
-+++ b/src/CMakeLists.txt	Fri Sep 15 01:46:34 2017 -0700
-@@ -636,15 +636,6 @@
-	add_definitions( -DBACKPATCH )
+diff -r 4178904d7698 src/CMakeLists.txt
+--- a/src/CMakeLists.txt	Sat Dec 11 16:35:55 2021 -0500
++++ b/src/CMakeLists.txt	Fri Dec 01 13:00:32 2023 -0300
+@@ -642,15 +642,6 @@
+ 	add_definitions( -DBACKPATCH )
  endif( BACKPATCH )
-
+ 
 -# Update gitinfo.h
 -
 -get_target_property( UPDATEREVISION_EXE updaterevision LOCATION )
@@ -15,5 +15,5 @@ diff -r dd3c3b57023f src/CMakeLists.txt
 -	DEPENDS updaterevision )
 -
  # Libraries ZDoom needs
-
+ 
  message( STATUS "Fluid synth libs: ${FLUIDSYNTH_LIBRARIES}" )
diff --git a/pkgs/games/doom-ports/zandronum/sqlite.nix b/pkgs/games/doom-ports/zandronum/sqlite.nix
index c7687f89589d..67dbb84f515a 100644
--- a/pkgs/games/doom-ports/zandronum/sqlite.nix
+++ b/pkgs/games/doom-ports/zandronum/sqlite.nix
@@ -8,8 +8,8 @@ stdenv.mkDerivation {
   version = "3.0";
 
   src = fetchurl {
-    url = "https://www.sqlite.org/2017/sqlite-autoconf-3180000.tar.gz";
-    hash = "sha256-N1dhJGOXbn0IxenwrzAhYT/CS7z+HFEZfWd2uezprFw=";
+    url = "https://www.sqlite.org/2021/sqlite-autoconf-3360000.tar.gz";
+    sha256 = "1qxwkfvd185dfcqbakrzikrsw6ffr5jp1gl3dch9dsdyjvmw745x";
   };
 
   buildPhase = ''
diff --git a/pkgs/games/doom-ports/zandronum/zan_configure_impurity.patch b/pkgs/games/doom-ports/zandronum/zan_configure_impurity.patch
index 0cf7150502e4..9dafc6219d29 100644
--- a/pkgs/games/doom-ports/zandronum/zan_configure_impurity.patch
+++ b/pkgs/games/doom-ports/zandronum/zan_configure_impurity.patch
@@ -1,13 +1,13 @@
-diff -r 6d5130e4ae52 sqlite/CMakeLists.txt
---- a/sqlite/CMakeLists.txt	Sun Sep 10 18:53:00 2017 +0200
-+++ b/sqlite/CMakeLists.txt	Fri Sep 15 00:12:11 2017 -0700
-@@ -1,62 +1,5 @@
+diff -r 4178904d7698 sqlite/CMakeLists.txt
+--- a/sqlite/CMakeLists.txt	Sat Dec 11 16:35:55 2021 -0500
++++ b/sqlite/CMakeLists.txt	Fri Dec 01 12:57:55 2023 -0300
+@@ -1,65 +1,5 @@
  cmake_minimum_required( VERSION 2.4 )
-
+ 
 -# [BB/EP] Download SQLite archive and extract the sources if necessary.
--set( ZAN_SQLITE_VERSION 3180000 ) # SQL version 3.18.0
--set( ZAN_SQLITE_YEAR 2017 )
--set( ZAN_SQLITE_SHA1 "74559194e1dd9b9d577cac001c0e9d370856671b" )
+-set( ZAN_SQLITE_VERSION 3360000 ) # SQL version 3.36.0
+-set( ZAN_SQLITE_YEAR 2021 )
+-set( ZAN_SQLITE_SHA1 "a4bcf9e951bfb9745214241ba08476299fc2dc1e" )
 -set( ZAN_SQLITE_DOWNLOAD_NAME "sqlite-autoconf-${ZAN_SQLITE_VERSION}" )
 -set( ZAN_SQLITE_TEMP_ARCHIVE "${CMAKE_CURRENT_SOURCE_DIR}/${ZAN_SQLITE_DOWNLOAD_NAME}.tar.gz" )
 -set( ZAN_SQLITE_HASHED_ARCHIVE "${CMAKE_CURRENT_SOURCE_DIR}/sqlite-${ZAN_SQLITE_SHA1}.tar.gz" )
@@ -15,38 +15,41 @@ diff -r 6d5130e4ae52 sqlite/CMakeLists.txt
 -if( IS_DIRECTORY ${ZAN_SQLITE_HASHED_ARCHIVE} OR IS_SYMLINK ${ZAN_SQLITE_HASHED_ARCHIVE} )
 -	message( FATAL_ERROR "SQLite: ${ZAN_SQLITE_HASHED_ARCHIVE} must be a valid file.\n"
 -				"SQLite: Please remove it and try again." )
--elseif( NOT EXISTS ${ZAN_SQLITE_HASHED_ARCHIVE} )
+-elseif( ( NOT EXISTS ${CMAKE_CURRENT_SOURCE_DIR}/sqlite3.c ) OR ( NOT EXISTS ${CMAKE_CURRENT_SOURCE_DIR}/sqlite3.h ) OR ( NOT EXISTS ${CMAKE_CURRENT_SOURCE_DIR}/sqlite3ext.h ) )
 -
--	if( IS_DIRECTORY ${ZAN_SQLITE_TEMP_ARCHIVE} OR IS_SYMLINK ${ZAN_SQLITE_TEMP_ARCHIVE} )
--		message( FATAL_ERROR "SQLite: ${ZAN_SQLITE_TEMP_ARCHIVE} must be a valid file.\n"
+-	if( NOT EXISTS ${ZAN_SQLITE_HASHED_ARCHIVE} )
+-		if( IS_DIRECTORY ${ZAN_SQLITE_TEMP_ARCHIVE} OR IS_SYMLINK ${ZAN_SQLITE_TEMP_ARCHIVE} )
+-			message( FATAL_ERROR "SQLite: ${ZAN_SQLITE_TEMP_ARCHIVE} must be a valid file.\n"
 -					"SQLite: Please remove it and try again." )
--	endif()
--	message( STATUS "SQLite: downloading the archive..." )
+-		endif()
 -
--	file( DOWNLOAD https://www.sqlite.org/${ZAN_SQLITE_YEAR}/${ZAN_SQLITE_DOWNLOAD_NAME}.tar.gz ${ZAN_SQLITE_TEMP_ARCHIVE}
--			SHOW_PROGRESS
--			STATUS ZAN_SQLITE_DOWNLOAD_STATUS )
+-		message( STATUS "SQLite: downloading the archive..." )
 -
--	# Report any problem if present and abort immediately.
--	list( GET ZAN_SQLITE_DOWNLOAD_STATUS 0 ZAN_SQLITE_DOWNLOAD_ERROR_CODE )
--	if( ZAN_SQLITE_DOWNLOAD_ERROR_CODE )
--		list( GET ZAN_SQLITE_DOWNLOAD_STATUS 1 ZAN_SQLITE_DOWNLOAD_ERROR_MESSAGE )
--		message( FATAL_ERROR "SQLite: download failed. Reason: ${ZAN_SQLITE_DOWNLOAD_ERROR_MESSAGE}" )
--	endif()
+-		file( DOWNLOAD https://www.sqlite.org/${ZAN_SQLITE_YEAR}/${ZAN_SQLITE_DOWNLOAD_NAME}.tar.gz ${ZAN_SQLITE_TEMP_ARCHIVE}
+-				SHOW_PROGRESS
+-				STATUS ZAN_SQLITE_DOWNLOAD_STATUS )
 -
--	# Check the hash. Abort immediately if it's not valid (something is wrong with the download)
--	file( SHA1 ${ZAN_SQLITE_TEMP_ARCHIVE} ZAN_SQLITE_CURRENT_SHA1 )
--	if( NOT ZAN_SQLITE_CURRENT_SHA1 STREQUAL ZAN_SQLITE_SHA1 )
--		message( FATAL_ERROR "SQLite: download failed. The downloaded file has a different hash:\n"
--					"SQLite:    valid:      ${ZAN_SQLITE_SHA1}\n"
--					"SQLite:    downloaded: ${ZAN_SQLITE_CURRENT_SHA1}" )
+-		# Report any problem if present and abort immediately.
+-		list( GET ZAN_SQLITE_DOWNLOAD_STATUS 0 ZAN_SQLITE_DOWNLOAD_ERROR_CODE )
+-		if( ZAN_SQLITE_DOWNLOAD_ERROR_CODE )
+-			list( GET ZAN_SQLITE_DOWNLOAD_STATUS 1 ZAN_SQLITE_DOWNLOAD_ERROR_MESSAGE )
+-			message( FATAL_ERROR "SQLite: download failed. Reason: ${ZAN_SQLITE_DOWNLOAD_ERROR_MESSAGE}" )
+-		endif()
+-
+-		# Check the hash. Abort immediately if it's not valid (something is wrong with the download)
+-		file( SHA1 ${ZAN_SQLITE_TEMP_ARCHIVE} ZAN_SQLITE_CURRENT_SHA1 )
+-		if( NOT ZAN_SQLITE_CURRENT_SHA1 STREQUAL ZAN_SQLITE_SHA1 )
+-			message( FATAL_ERROR "SQLite: download failed. The downloaded file has a different hash:\n"
+-						"SQLite:    valid:      ${ZAN_SQLITE_SHA1}\n"
+-						"SQLite:    downloaded: ${ZAN_SQLITE_CURRENT_SHA1}" )
+-		endif()
+-
+-		# Rename the archive.
+-		execute_process( COMMAND ${CMAKE_COMMAND} -E rename ${ZAN_SQLITE_TEMP_ARCHIVE} ${ZAN_SQLITE_HASHED_ARCHIVE} )
 -	endif()
 -
 -	message( STATUS "SQLite: saving the source files into the 'sqlite' directory." )
 -
--	# Rename the archive.
--	execute_process( COMMAND ${CMAKE_COMMAND} -E rename ${ZAN_SQLITE_TEMP_ARCHIVE} ${ZAN_SQLITE_HASHED_ARCHIVE} )
--
 -	# Extract the archive.
 -	execute_process( COMMAND ${CMAKE_COMMAND} -E tar xzf ${ZAN_SQLITE_HASHED_ARCHIVE} WORKING_DIRECTORY ${CMAKE_CURRENT_SOURCE_DIR} )
 -
@@ -61,5 +64,6 @@ diff -r 6d5130e4ae52 sqlite/CMakeLists.txt
 -	message( STATUS "SQLite: done." )
 -endif()
 -
- add_library( sqlite3 sqlite3.c )
- target_link_libraries( sqlite3 ${CMAKE_DL_LIBS} )
+ # [BB] Silence all GCC warnings
+ IF ( CMAKE_COMPILER_IS_GNUCXX )
+ 	ADD_DEFINITIONS ( -w )