diff --git a/.gitmodules b/.gitmodules
index 061dfe5e..17a7a7a2 100644
--- a/.gitmodules
+++ b/.gitmodules
@@ -212,3 +212,9 @@
 [submodule "mods/mesecons"]
 	path = mods/mesecons
 	url = https://git.tchncs.de/Illuna-Minetest/mesecons
+[submodule "mods/other_worlds"]
+	path = mods/other_worlds
+	url = https://git.tchncs.de/Illuna-Minetest/other_worlds
+[submodule "mods/loud_walking"]
+	path = mods/loud_walking
+	url = https://git.tchncs.de/Illuna-Minetest/loud_walking
diff --git a/mods/loud_walking b/mods/loud_walking
new file mode 160000
index 00000000..a9ed1671
--- /dev/null
+++ b/mods/loud_walking
@@ -0,0 +1 @@
+Subproject commit a9ed16717cfbacd17a5f89e3dde230a06f36dbc0
diff --git a/mods/other_worlds b/mods/other_worlds
new file mode 160000
index 00000000..0d9c4646
--- /dev/null
+++ b/mods/other_worlds
@@ -0,0 +1 @@
+Subproject commit 0d9c464698a5bf26f08e8e1a5484bc50cd733545