diff --git a/.gitmodules b/.gitmodules
index 0c2f39c..32a4c0d 100644
--- a/.gitmodules
+++ b/.gitmodules
@@ -19,3 +19,21 @@
 [submodule "minetest-3d_armor"]
 	path = minetest-3d_armor
 	url = https://github.com/stujones11/minetest-3d_armor.git
+[submodule "moreblocks"]
+	path = moreblocks
+	url = https://github.com/minetest-mods/moreblocks
+[submodule "castle_masonry"]
+	path = castle_masonry
+	url = https://github.com/minetest-mods/castle_masonry
+[submodule "castle_lighting"]
+	path = castle_lighting
+	url = https://github.com/minetest-mods/castle_lighting.git
+[submodule "castle_farming"]
+	path = castle_farming
+	url = https://github.com/minetest-mods/castle_farming
+[submodule "minetest_doc_modpack"]
+	path = minetest_doc_modpack
+	url = https://repo.or.cz/minetest_doc_modpack.git
+[submodule "minetest_doc_minetest_game"]
+	path = minetest_doc_minetest_game
+	url = https://repo.or.cz/minetest_doc_minetest_game.git
diff --git a/castle_farming b/castle_farming
new file mode 160000
index 0000000..cbc133f
--- /dev/null
+++ b/castle_farming
@@ -0,0 +1 @@
+Subproject commit cbc133fb1809ea2680febb2f2d98068eeed432d6
diff --git a/castle_lighting b/castle_lighting
new file mode 160000
index 0000000..8dc1c22
--- /dev/null
+++ b/castle_lighting
@@ -0,0 +1 @@
+Subproject commit 8dc1c22bf93fcf501e960d860ba43a78358730b4
diff --git a/castle_masonry b/castle_masonry
new file mode 160000
index 0000000..d5dfa7c
--- /dev/null
+++ b/castle_masonry
@@ -0,0 +1 @@
+Subproject commit d5dfa7cb0c4cb67f79c3f1d743067ebc31040280
diff --git a/minetest_doc_minetest_game b/minetest_doc_minetest_game
new file mode 160000
index 0000000..9d5edf9
--- /dev/null
+++ b/minetest_doc_minetest_game
@@ -0,0 +1 @@
+Subproject commit 9d5edf9e0c8db8004bc7602a414c5f33471b89ac
diff --git a/minetest_doc_modpack b/minetest_doc_modpack
new file mode 160000
index 0000000..f9eaa59
--- /dev/null
+++ b/minetest_doc_modpack
@@ -0,0 +1 @@
+Subproject commit f9eaa599f31edb5af5930025b46430bbef40441b
diff --git a/moreblocks b/moreblocks
new file mode 160000
index 0000000..723db44
--- /dev/null
+++ b/moreblocks
@@ -0,0 +1 @@
+Subproject commit 723db44933721cc14e85ec40ada5ae5e936cb7d7