diff --git a/TODO.txt b/TODO.txt
new file mode 100644
index 0000000..d1e6282
--- /dev/null
+++ b/TODO.txt
@@ -0,0 +1,7 @@
+sounds
+painted doors
+
+
+How to test backwards compatibility:
+/eval pos = here
+/eval for name, _ in pairs(core.registered_nodes) do if name:find("hidden_door") then core.set_node(pos, {name=name}) pos = pos + vector.new(1,0,0) end end
\ No newline at end of file
diff --git a/mod.conf b/mod.conf
index 848ea06..5a8b986 100644
--- a/mod.conf
+++ b/mod.conf
@@ -2,4 +2,4 @@ name = hidden_doors
 title = hidden doors
 description = adds doors which look like walls
 depends = doors
-optional_depends = default, stairs
\ No newline at end of file
+optional_depends = default, stairs, darkage, moreblocks
\ No newline at end of file
diff --git a/registrations.lua b/registrations.lua
index 7d6aef5..648414a 100644
--- a/registrations.lua
+++ b/registrations.lua
@@ -1,16 +1,14 @@
 local register = {}
 
-if core.get_modpath("default") or true then
+if core.get_modpath("default") then
     for _, name in ipairs({
         -- stones
         "stone",
         "cobble",
-        "stonebrick",
         "stone_block",
         "mossycobble",
         "desert_stone",
         "desert_cobble",
-        "desert_stonebrick",
         "desert_stone_block",
         "sandstone",
         "sandstonebrick",
@@ -22,7 +20,6 @@ if core.get_modpath("default") or true then
         "silver_sandstone_brick",
         "silver_sandstone_block",
         "obsidian",
-        "obsidianbrick",
         "obsidian_block",
         "brick",
         -- trees
@@ -37,12 +34,6 @@ if core.get_modpath("default") or true then
         "pine_wood",
         "acacia_wood",
         "aspen_wood",
-        -- metal
-        "bronzeblock",
-        "copperblock",
-        "goldblock",
-        "steelblock",
-        "tinblock",
         -- other
         "dirt",
         "ice",
@@ -54,8 +45,81 @@ if core.get_modpath("default") or true then
         "desert_sand",
         "permafrost"
     }) do
-        register[("hidden_doors:default_%s"):format(name)] = ("default:%s"):format(name)
+        register[("hidden_door_%s"):format(name)] = ("default:%s"):format(name)
     end
+
+    for _, name in ipairs({
+        "stone_brick",
+        "bronze_block",
+        "copper_block",
+        "gold_block",
+        "steel_block",
+        "tin_block",
+        "obsidian_brick",
+    }) do
+        register[("hidden_door_%s"):format(name)] = ("default:%s"):format(name:gsub("_", ""))
+    end
+    register["hidden_door_desert_stone_brick"] = "default:desert_stonebrick"
+end
+
+if core.get_modpath("darkage") then
+    for _, name in ipairs({
+        "adobe",
+        "basalt",
+        "basalt_rubble",
+        "basalt_brick",
+        "basalt_block",
+        "gneiss",
+        "gneiss_rubble",
+        "gneiss_brick",
+        "gneiss_block",
+        "marble",
+        "marble_tile",
+        "ors",
+        "ors_rubble",
+        "ors_brick",
+        "ors_block",
+        "serpentine",
+        "shale",
+        "schist",
+        "slate",
+        "slate_rubble",
+        "slate_tile",
+        "slate_block",
+        "slate_brick",
+        "tuff",
+        "tuff_bricks",
+        "tuff_rubble",
+        "rhyolitic_tuff",
+        "rhyolitic_tuff_bricks",
+        "old_tuff_bricks",
+        "rhyolitic_tuff_rubble"
+    }) do
+        register[("hidden_door_%s"):format(name)] = ("darkage:%s"):format(name)
+    end
+end
+
+if core.get_modpath("moreblocks") then
+    for _, name in ipairs({
+        "cactus_brick",
+        "circle_stone_bricks",
+        "coal_stone",
+        "cobble_compressed",
+        "copperpatina",
+        "empty_shelf",
+        "grey_bricks",
+        "iron_stone",
+        "iron_stone_bricks",
+        "plankstone",
+        "split_stone_tile",
+        "stone_tile",
+        "tar",
+        "wood_tile_full"
+    }) do
+        register[("hidden_door_%s"):format(name)] = ("moreblocks:%s"):format(name)
+    end
+    register["hidden_door_jungletree_top"] = "moreblocks:all_faces_jungle_tree"
+    register["hidden_door_tree_top"] = "moreblocks:all_faces_tree"
 end
 
 for doorname, nodename in pairs(register) do