diff --git a/mods/stairs/README.txt b/mods/stairs/README.txt
new file mode 100644
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--- /dev/null
+++ b/mods/stairs/README.txt
@@ -0,0 +1,20 @@
+Based on Minetest Game mod: stairs
+==================================
+
+Authors of source code
+----------------------
+Originally by Kahrl <kahrl@gmx.net> (LGPLv2.1+) and
+celeron55, Perttu Ahola <celeron55@gmail.com> (LGPLv2.1+)
+Various Minetest developers and contributors (LGPLv2.1+)
+
+http://www.gnu.org/licenses/lgpl-2.1.html
+
+License of media (textures and sounds)
+--------------------------------------
+Attribution-ShareAlike 3.0 Unported (CC BY-SA 3.0)
+http://creativecommons.org/licenses/by-sa/3.0/
+
+Note: This mod has been amended to add new features like transparent and glowing
+stairs, sloped stairs, recipes to return stairs back into blocks and also to be
+used as fuel for furnaces, and alternative placement functions that use
+on_rotate and sneak key.
diff --git a/mods/stairs/screenshot.png b/mods/stairs/screenshot.png
new file mode 100644
index 00000000..5c329015
Binary files /dev/null and b/mods/stairs/screenshot.png differ
diff --git a/mods/stairs/stairs.lua b/mods/stairs/stairs.lua
new file mode 100644
index 00000000..b9f98c61
--- /dev/null
+++ b/mods/stairs/stairs.lua
@@ -0,0 +1,554 @@
+
+local grp = {} -- Helper
+
+--= Default Minetest
+
+-- Wood types
+
+stairs.register_all("wood", "default:wood",
+	{choppy = 2, oddly_breakable_by_hand = 2, flammable = 2},
+	{"default_wood.png"},
+	"Wooden",
+	stairs.wood, false)
+
+stairs.register_all("junglewood", "default:junglewood",
+	{choppy = 2, oddly_breakable_by_hand = 2, flammable = 2},
+	{"default_junglewood.png"},
+	"Jungle Wood",
+	stairs.wood, false)
+
+stairs.register_all("pine_wood", "default:pinewood",
+	{choppy = 3, oddly_breakable_by_hand = 1, flammable = 3},
+	{"default_pine_wood.png"},
+	"Pine Wood",
+	stairs.wood, false)
+
+-- Register aliases for new pine node names
+minetest.register_alias("stairs:stair_pinewood", "stairs:stair_pine_wood")
+minetest.register_alias("stairs:slab_pinewood", "stairs:slab_pine_wood")
+
+stairs.register_all("acacia_wood", "default:acacia_wood",
+	{choppy = 2, oddly_breakable_by_hand = 2, flammable = 3},
+	{"default_acacia_wood.png"},
+	"Acacia Wood",
+	stairs.wood, false)
+
+stairs.register_all("aspen_wood", "default:aspen_wood",
+	{choppy = 3, oddly_breakable_by_hand = 2, flammable = 3},
+	{"default_aspen_wood.png"},
+	"Aspen Wood",
+	stairs.wood, false)
+
+-- Stone types
+
+stairs.register_all("stone", "default:stone",
+	{cracky = 3},
+	{"default_stone.png"},
+	"Stone",
+	stairs.stone, true)
+
+stairs.register_all("stonebrick", "default:stonebrick",
+	{cracky = 2},
+	{"default_stone_brick.png"},
+	"Stone Brick",
+	stairs.stone, false)
+
+stairs.register_all("stone_block", "default:stone_block",
+	{cracky = 2},
+	{"default_stone_block.png"},
+	"Stone Block",
+	stairs.stone, true)
+
+stairs.register_all("cobble", "default:cobble",
+	{cracky = 3},
+	{"default_cobble.png"},
+	"Cobble",
+	stairs.stone, true)
+
+stairs.register_all("mossycobble", "default:mossycobble",
+	{cracky = 3},
+	{"default_mossycobble.png"},
+	"Mossy Cobble",
+	stairs.stone, true)
+
+stairs.register_all("desert_stone", "default:desert_stone",
+	{cracky = 3},
+	{"default_desert_stone.png"},
+	"Desert Stone",
+	stairs.stone, true)
+
+stairs.register_all("desert_stonebrick", "default:desert_stonebrick",
+	{cracky = 2},
+	{"default_desert_stone_brick.png"},
+	"Desert Stone Brick",
+	stairs.stone, false)
+
+stairs.register_all("desert_stone_block", "default:desert_stone_block",
+	{cracky = 2},
+	{"default_desert_stone_block.png"},
+	"Desert Stone Block",
+	stairs.stone, true)
+
+stairs.register_all("desert_cobble", "default:desert_cobble",
+	{cracky = 3},
+	{"default_desert_cobble.png"},
+	"Desert Cobble",
+	stairs.stone, true)
+
+-- Sandstone types
+
+stairs.register_all("sandstone", "default:sandstone",
+	{crumbly = 1, cracky = 3},
+	{"default_sandstone.png"},
+	"Sandstone",
+	stairs.stone, true)
+
+stairs.register_all("sandstonebrick", "default:sandstonebrick",
+	{cracky = 2},
+	{"default_sandstone_brick.png"},
+	"Sandstone Brick",
+	stairs.stone, false)
+
+stairs.register_all("sandstone_block", "default:sandstone_block",
+	{cracky = 2},
+	{"default_sandstone_block.png"},
+	"Sandstone Block",
+	stairs.stone, true)
+
+stairs.register_all("desert_sandstone", "default:desert_sandstone",
+	{crumbly = 1, cracky = 3},
+	{"default_desert_sandstone.png"},
+	"Desert Sandstone",
+	stairs.stone, true)
+
+stairs.register_all("desert_sandstone_brick", "default:desert_sandstone_brick",
+	{cracky = 2},
+	{"default_desert_sandstone_brick.png"},
+	"Desert Sandstone Brick",
+	stairs.stone, false)
+
+stairs.register_all("desert_sandstone_block", "default:desert_sandstone_block",
+	{cracky = 2},
+	{"default_desert_sandstone_block.png"},
+	"Desert Sandstone Block",
+	stairs.stone, true)
+
+stairs.register_all("silver_sandstone", "default:silver_sandstone",
+	{crumbly = 1, cracky = 3},
+	{"default_silver_sandstone.png"},
+	"Silver Sandstone",
+	stairs.stone, true)
+
+stairs.register_all("silver_sandstone_brick", "default:silver_sandstone_brick",
+	{cracky = 2},
+	{"default_silver_sandstone_brick.png"},
+	"Silver Sandstone Brick",
+	stairs.stone, false)
+
+stairs.register_all("silver_sandstone_block", "default:silver_sandstone_block",
+	{cracky = 2},
+	{"default_silver_sandstone_block.png"},
+	"Silver Sandstone Block",
+	stairs.stone, true)
+
+-- Obsidian
+
+stairs.register_all("obsidian", "default:obsidian",
+	{cracky = 1, level = 2},
+	{"default_obsidian.png"},
+	"Obsidian",
+	stairs.stone, true)
+
+stairs.register_all("obsidianbrick", "default:obsidianbrick",
+	{cracky = 1, level = 2},
+	{"default_obsidian_brick.png"},
+	"Obsidian Brick",
+	stairs.stone, false)
+
+stairs.register_all("obsidian_block", "default:obsidian_block",
+	{cracky = 1, level = 2},
+	{"default_obsidian_block.png"},
+	"Obsidian block",
+	stairs.stone, true)
+
+-- Cloud (with overrides)
+
+stairs.register_stair("cloud", "default:cloud",
+	{unbreakable = 1, not_in_creative_inventory = 1},
+	{"default_cloud.png"},
+	"Cloud Stair",
+	stairs.wool)
+
+minetest.override_item("stairs:stair_cloud", {
+	on_blast = function() end,
+	on_drop = function(itemstack, dropper, pos) end,
+	drop = {},
+})
+
+stairs.register_slab("cloud", "default:cloud",
+	{unbreakable = 1, not_in_creative_inventory = 1},
+	{"default_cloud.png"},
+	"Cloud Slab",
+	stairs.wool)
+
+minetest.override_item("stairs:slab_cloud", {
+	on_blast = function() end,
+	on_drop = function(itemstack, dropper, pos) end,
+	drop = {},
+})
+
+-- Ores
+
+stairs.register_all("coal", "default:coalblock",
+	{cracky = 3},
+	{"default_coal_block.png"},
+	"Coal",
+	stairs.stone, true)
+
+stairs.register_all("steelblock", "default:steelblock",
+	{cracky = 1, level = 2},
+	{"default_steel_block.png"},
+	"Steel",
+	stairs.metal, true)
+
+stairs.register_all("copperblock", "default:copperblock",
+	{cracky = 1, level = 2},
+	{"default_copper_block.png"},
+	"Copper",
+	stairs.metal, true)
+
+stairs.register_all("bronzeblock", "default:bronzeblock",
+	{cracky = 1, level = 2},
+	{"default_bronze_block.png"},
+	"Bronze",
+	stairs.metal, true)
+
+stairs.register_all("tinblock", "default:tinblock",
+	{cracky = 1, level = 2},
+	{"default_tin_block.png"},
+	"Tin",
+	stairs.metal, true)
+
+stairs.register_all("mese", "default:mese",
+	{cracky = 1, level = 2},
+	{"default_mese_block.png"},
+	"Mese",
+	stairs.stone)
+
+stairs.register_all("goldblock", "default:goldblock",
+	{cracky = 1},
+	{"default_gold_block.png"},
+	"Gold",
+	stairs.metal)
+
+stairs.register_all("diamondblock", "default:diamondblock",
+	{cracky = 1, level = 3},
+	{"default_diamond_block.png"},
+	"Diamond",
+	stairs.stone)
+
+-- Glass types
+
+stairs.register_all("glass", "default:glass",
+	{cracky = 3, oddly_breakable_by_hand = 3},
+	{"default_glass.png"},
+	"Glass",
+	stairs.glass)
+
+stairs.register_all("obsidian_glass", "default:obsidian_glass",
+	{cracky = 2},
+	{"default_obsidian_glass.png"},
+	"Obsidian Glass",
+	stairs.glass)
+
+-- Brick, Snow and Ice
+
+stairs.register_all("brick", "default:brick",
+	{cracky = 3},
+	{"default_brick.png"},
+	"Brick",
+	stairs.stone, false)
+
+stairs.register_all("snowblock", "default:snowblock",
+	{crumbly = 3, cools_lava = 1, snowy = 1},
+	{"default_snow.png"},
+	"Snow Block",
+	default.node_sound_snow_defaults(), true)
+
+stairs.register_all("ice", "default:ice",
+	{cracky = 3, cools_lava = 1},
+	{"default_ice.png"},
+	"Ice",
+	default.node_sound_glass_defaults(), true)
+
+--= More Ores Mod
+
+if minetest.get_modpath("moreores") then
+
+grp = {cracky = 1, level = 2}
+
+stairs.register_all("silver_block", "moreores:silver_block",
+	grp,
+	{"moreores_silver_block.png"},
+	"Silver",
+	stairs.metal, true)
+
+stairs.register_all("mithril_block", "moreores:mithril_block",
+	grp,
+	{"moreores_mithril_block.png"},
+	"Mithril",
+	stairs.metal, true)
+
+end
+
+--= Mobs Mod
+
+if minetest.registered_nodes["mobs:cheeseblock"] then
+
+grp = {crumbly = 3, flammable = 2}
+
+stairs.register_all("cheeseblock", "mobs:cheeseblock",
+	grp,
+	{"mobs_cheeseblock.png"},
+	"Cheese Block",
+	stairs.dirt)
+
+stairs.register_all("honey_block", "mobs:honey_block",
+	grp,
+	{"mobs_honey_block.png"},
+	"Honey Block",
+	stairs.dirt)
+
+end
+
+--= Lapis Mod
+
+if minetest.get_modpath("lapis") then
+
+grp = {cracky = 3}
+
+stairs.register_all("lapis_block", "lapis:lapis_block",
+	grp,
+	{"lapis_block_side.png"},
+	"Lapis",
+	stairs.stone)
+
+stairs.register_all("lapis_brick", "lapis:lapis_brick",
+	grp,
+	{"lapis_brick.png"},
+	"Lapis Brick",
+	stairs.stone)
+
+stairs.register_all("lapis_cobble", "lapis:lapis_cobble",
+	grp,
+	{"lapis_cobble.png"},
+	"Lapis Cobble",
+	stairs.stone)
+
+end
+
+--= Homedecor Mod
+
+if minetest.get_modpath("homedecor") then
+
+local grp = {snappy = 3}
+
+stairs.register_all("shingles_asphalt", "homedecor:shingles_asphalt",
+	grp,
+	{"homedecor_shingles_asphalt.png"},
+	"Asphalt Shingle",
+	stairs.leaves)
+
+stairs.register_all("shingles_terracotta", "homedecor:roof_tile_terracotta",
+	grp,
+	{"homedecor_shingles_terracotta.png"},
+	"Terracotta Shingle",
+	stairs.leaves)
+
+stairs.register_all("shingles_wood", "homedecor:shingles_wood",
+	grp,
+	{"homedecor_shingles_wood.png"},
+	"Wooden Shingle",
+	stairs.leaves)
+
+end
+
+--= Xanadu Mod
+
+if minetest.get_modpath("xanadu") then
+
+grp = {choppy = 2, oddly_breakable_by_hand = 2, flammable = 3}
+
+stairs.register_all("stained_wood_white", "xanadu:stained_wood_white",
+	grp,
+	{"stained_wood_white.png"},
+	"White Wooden",
+	stairs.wood, false)
+
+stairs.register_all("stained_wood_red", "xanadu:stained_wood_red",
+	grp,
+	{"stained_wood_red.png"},
+	"Red Wooden",
+	stairs.wood, false)
+
+-- Decorative blocks
+
+grp = {cracky = 3}
+
+stairs.register_all("stone1", "xanadu:stone1",
+	grp,
+	{"stone1.png"},
+	"Decorative Stone 1",
+	stairs.stone)
+
+stairs.register_all("stone2", "xanadu:stone2",
+	grp,
+	{"stone2.png"},
+	"Decorative Stone 2",
+	stairs.stone)
+
+stairs.register_all("stone3", "xanadu:stone3",
+	grp,
+	{"stone3.png"},
+	"Decorative Stone 3",
+	stairs.stone)
+
+stairs.register_all("stone4", "xanadu:stone4",
+	grp,
+	{"stone4.png"},
+	"Decorative Stone 4",
+	stairs.stone)
+
+stairs.register_all("stone5", "xanadu:stone5",
+	grp,
+	{"stone5.png"},
+	"Decorative Stone 5",
+	stairs.stone)
+
+stairs.register_all("stone6", "xanadu:stone6",
+	grp,
+	{"stone6.png"},
+	"Decorative Stone 6",
+	stairs.stone)
+
+stairs.register_all("sandstonebrick1", "xanadu:sandstonebrick1",
+	grp,
+	{"sandstonebrick1.png"},
+	"Decorative Sandstone 1",
+	stairs.stone)
+
+stairs.register_all("sandstonebrick4", "xanadu:sandstonebrick4",
+	grp,
+	{"sandstonebrick4.png"},
+	"Decorative Sandstone 4",
+	stairs.stone)
+
+stairs.register_slab("desert_cobble1", "xanadu:desert_cobble1",
+	grp,
+	{"desert_cobble1.png"},
+	"Decorative desert cobble 1 slab",
+	stairs.stone)
+
+stairs.register_slab("desert_cobble5", "xanadu:desert_cobble5",
+	grp,
+	{"desert_cobble5.png"},
+	"Decorative desert cobble 5 slab",
+	stairs.stone)
+
+stairs.register_slab("desert_stone1", "xanadu:desert_stone1",
+	grp,
+	{"desert_stone1.png"},
+	"Decorative desert stone 1 slab",
+	stairs.stone)
+
+stairs.register_slab("desert_stone3", "xanadu:desert_stone3",
+	grp,
+	{"desert_stone3.png"},
+	"Decorative desert stone 3 slab",
+	stairs.stone)
+
+stairs.register_slab("desert_stone4", "xanadu:desert_stone4",
+	grp,
+	{"desert_stone4.png"},
+	"Decorative desert stone 4 slab",
+	stairs.stone)
+
+stairs.register_stair("desert_stone4", "xanadu:desert_stone4",
+	grp,
+	{"desert_stone4.png"},
+	"Decorative desert stone 4 stair",
+	stairs.stone)
+
+stairs.register_slab("desert_stone5", "xanadu:desert_stone5",
+	grp,
+	{"desert_stone5.png"},
+	"Decorative desert stone 5 slab",
+	stairs.stone)
+
+stairs.register_slab("red1", "xanadu:red1",
+	grp,
+	{"baked_clay_red1.png"},
+	"Decorative baked red clay 1 slab",
+	stairs.stone)
+
+stairs.register_all("bred2", "xanadu:red2",
+	grp,
+	{"baked_clay_red2.png"},
+	"Decorative baked red clay 2",
+	stairs.stone)
+
+end
+
+--= Castle Mod
+
+if minetest.get_modpath("castle") then
+
+grp = {cracky = 2}
+
+stairs.register_all("dungeon_stone", "castle:dungeon_stone",
+	grp,
+	{"castle_dungeon_stone.png"},
+	"Dungeon",
+	stairs.stone)
+
+stairs.register_all("stonewall", "castle:stonewall",
+	grp,
+	{"castle_stonewall.png"},
+	"Castle Wall",
+	stairs.stone)
+
+end
+
+--= Wool Mod
+
+if minetest.get_modpath("wool") then
+
+local colours = {
+	{"black",      "Black",      "#000000b0"},
+	{"blue",       "Blue",       "#015dbb70"},
+	{"brown",      "Brown",      "#a78c4570"},
+	{"cyan",       "Cyan",       "#01ffd870"},
+	{"dark_green", "Dark Green", "#005b0770"},
+	{"dark_grey",  "Dark Grey",  "#303030b0"},
+	{"green",      "Green",      "#61ff0170"},
+	{"grey",       "Grey",       "#5b5b5bb0"},
+	{"magenta",    "Magenta",    "#ff05bb70"},
+	{"orange",     "Orange",     "#ff840170"},
+	{"pink",       "Pink",       "#ff65b570"},
+	{"red",        "Red",        "#ff000070"},
+	{"violet",     "Violet",     "#2000c970"},
+	{"white",      "White",      "#abababc0"},
+	{"yellow",     "Yellow",     "#e3ff0070"},
+}
+
+for i = 1, #colours, 1 do
+
+stairs.register_all("wool_" .. colours[i][1], "wool:" .. colours[i][1],
+	{snappy = 2, choppy = 2, oddly_breakable_by_hand = 3, flammable = 3},
+	{"wool_" .. colours[i][1] .. ".png"},
+	colours[i][2] .. " Wool",
+	stairs.wool)
+
+end -- END for
+
+end