diff --git a/games-simulation/simutrans/patches/simutrans-122.0.patchset b/games-simulation/simutrans/patches/simutrans-123.0.1.patchset
similarity index 61%
rename from games-simulation/simutrans/patches/simutrans-122.0.patchset
rename to games-simulation/simutrans/patches/simutrans-123.0.1.patchset
index 64c7e371a..e717b9ce4 100644
--- a/games-simulation/simutrans/patches/simutrans-122.0.patchset
+++ b/games-simulation/simutrans/patches/simutrans-123.0.1.patchset
@@ -1,14 +1,14 @@
-From 0955075a76eec41822ba97d5d338d9192b8f5ead Mon Sep 17 00:00:00 2001
+From c76e7b2b9fec72b2e56c9664ed05052100174d80 Mon Sep 17 00:00:00 2001
 From: Ken Mays <kmays2000@gmail.com>
 Date: Fri, 4 Jan 2019 19:45:50 +0100
 Subject: Fix DT_DIR handling under Haiku
 
 
 diff --git a/sys/simsys.cc b/sys/simsys.cc
-index caa3b13..5420fc9 100644
+index 4541b20..30a2af5 100644
 --- a/sys/simsys.cc
 +++ b/sys/simsys.cc
-@@ -470,7 +470,9 @@ const char *dr_query_fontpath(int which)
+@@ -476,7 +476,9 @@ const char *dr_query_fontpath(int which)
  			// look for subdirectories
  			struct dirent *entry;
  			while( (entry = readdir( dir )) ) {
@@ -18,7 +18,7 @@ index caa3b13..5420fc9 100644
  					if( ((strcmp( entry->d_name, "." )) != 0) && ((strcmp( entry->d_name, ".." )) != 0) ) {
  						j++;
  						if( subdir_offset < j ) {
-@@ -483,7 +485,9 @@ const char *dr_query_fontpath(int which)
+@@ -489,7 +491,9 @@ const char *dr_query_fontpath(int which)
  							return buffer;
  						}
  					}
@@ -32,50 +32,76 @@ index caa3b13..5420fc9 100644
 2.30.2
 
 
-From 433a87d166f0c7c5afe911f9447d48f4ed08ecae Mon Sep 17 00:00:00 2001
+From 6f8dea69fb6267f0809b5a7de44210cc35dedcb7 Mon Sep 17 00:00:00 2001
 From: Ken Mays <kmays2000@gmail.com>
 Date: Fri, 4 Jan 2019 19:45:50 +0100
 Subject: Fix UINT type handling under Haiku
 
 
 diff --git a/simtypes.h b/simtypes.h
-index 2f687ec..9fa48aa 100644
+index 8ca5bf5..15bff0a 100644
 --- a/simtypes.h
 +++ b/simtypes.h
 @@ -9,6 +9,7 @@
- 
- #include "utils/for.h"
- #include <limits.h>
+ 
+ #include "utils/for.h"
+ #include <limits.h>
 +#include <OS.h>
- 
- #ifndef PATH_MAX
- #ifdef MAX_PATH
+ 
+ #ifndef PATH_MAX
+ #ifdef MAX_PATH
 @@ -169,19 +170,25 @@ typedef unsigned short      uint16;
- #ifndef __BEOS__
- typedef   signed int        sint32;
- #ifndef NO_UINT32_TYPES
+ #ifndef __BEOS__
+ typedef   signed int        sint32;
+ #ifndef NO_UINT32_TYPES
 +#ifndef __HAIKU__
- typedef unsigned int        uint32;
- #endif
+ typedef unsigned int        uint32;
+ #endif
 +#endif
- #else
- // BeOS: int!=long (even though both 32 bit)
- typedef   signed long       sint32;
- #ifndef NO_UINT32_TYPES
+ #else
+ // BeOS: int!=long (even though both 32 bit)
+ typedef   signed long       sint32;
+ #ifndef NO_UINT32_TYPES
 +#ifndef __HAIKU__
- typedef unsigned long       uint32;
- #endif
- #endif
+ typedef unsigned long       uint32;
+ #endif
+ #endif
 +#endif
- typedef   signed long long  sint64;
- #ifndef NO_UINT64_TYPES
+ typedef   signed long long  sint64;
+ #ifndef NO_UINT64_TYPES
 +#ifndef __HAIKU__
- typedef unsigned long long  uint64;
- #endif
+ typedef unsigned long long  uint64;
+ #endif
 +#endif
- #ifdef _MSC_VER
- #	define GCC_PACKED
- #	define GCC_ALIGN(a)
+ #ifdef _MSC_VER
+ #	define GCC_PACKED
+ #	define GCC_ALIGN(a)
+-- 
+2.30.2
+
+
+From f6d08a8374f251df352062c18b49431199e029cc Mon Sep 17 00:00:00 2001
+From: Ken Mays <kmays2000@gmail.com>
+Date: Fri, 4 Jan 2019 19:45:50 +0100
+Subject: Fix save game issue on Haiku
+
+
+diff --git a/dataobj/loadsave.cc b/dataobj/loadsave.cc
+index 5772ae2..84f0143 100644
+--- a/dataobj/loadsave.cc
++++ b/dataobj/loadsave.cc
+@@ -31,7 +31,11 @@
+ 
+ #define INVALID_RDWR_ID (-1)
+ 
++#ifdef __HAIKU__
++#undef MULTI_THREAD
++#else
+ //#undef MULTI_THREAD
++#endif
+ 
+ // buffer size for read/write - bzip2 gains up to 8M for non-threaded, 1M for threaded. binary, zipped ok with 256K or smaller.
+ #define LS_BUF_SIZE (1 << 20) // 1 MiB
 -- 
 2.30.2
 
diff --git a/games-simulation/simutrans/simutrans-122.0.recipe b/games-simulation/simutrans/simutrans-123.0.1.recipe
similarity index 85%
rename from games-simulation/simutrans/simutrans-122.0.recipe
rename to games-simulation/simutrans/simutrans-123.0.1.recipe
index 5b219f356..d71da3788 100644
--- a/games-simulation/simutrans/simutrans-122.0.recipe
+++ b/games-simulation/simutrans/simutrans-123.0.1.recipe
@@ -6,20 +6,18 @@ Interconnect districts, cities, public buildings, industries and \
 tourist attractions by building a transport network you always dreamed \
 of."
 HOMEPAGE="http://www.simutrans.com"
-COPYRIGHT="1997-2004 Hj. Malthaner
-	2005-2021 The Simutrans Team"
+COPYRIGHT="1997-2004 Hansjörg Malthaner
+	2005-2022 The Simutrans Team"
 LICENSE="Artistic"
-REVISION="2"
-SvnRevision="9937"
-GitRevision="960fc0700cc581dc89282712943689aeeeecfe4f"
-SOURCE_URI="https://github.com/aburch/simutrans/archive/$GitRevision.tar.gz"
-CHECKSUM_SHA256="865840c2bd4157e9aa91ac155f33611ae40d57274fc8d48577b0c1c9bb423750"
-SOURCE_FILENAME="simutrans-$GitRevision.tar.gz"
-SOURCE_DIR="simutrans-$GitRevision"
+REVISION="1"
+SvnRevision="10421"
+SOURCE_URI="https://sourceforge.net/projects/simutrans/files/simutrans/123-0-1/simutrans-src-123-0-1.zip"
+CHECKSUM_SHA256="8deb38c8de41fb5558640cdd4b9b161c38de92c077b3e506f74c34f93214f469"
+SOURCE_FILENAME="simutrans-$portVersion.zip"
+SOURCE_DIR=""
 PATCHES="simutrans-$portVersion.patchset"
 
 ARCHITECTURES="all !x86_gcc2"
-SECONDARY_ARCHITECTURES="?x86"
 
 PROVIDES="
 	simutrans$secondaryArchSuffix = $portVersion