diff --git a/computer/init.lua b/computer/init.lua
index 58b2589c..faa42a92 100644
--- a/computer/init.lua
+++ b/computer/init.lua
@@ -1,100 +1,100 @@
-computer = { };
+computer = { }
 
-computer.register = function ( name, def )
-	local nodename = name;
-	if (name:sub(1, 1) == ":") then name = name:sub(2); end
-	local modname, basename = name:match("^([^:]+):(.*)");
-	local TEXPFX = modname.."_"..basename.."_";
-	local ONSTATE = modname..":"..basename;
-	local OFFSTATE = modname..":"..basename.."_off";
-	local def = def;
+computer.register = function (name, def)
+	local nodename = name
+	if (name:sub(1, 1) == ":") then name = name:sub(2) end
+	local modname, basename = name:match("^([^:]+):(.*)")
+	local TEXPFX = modname.."_"..basename.."_"
+	local ONSTATE = modname..":"..basename
+	local OFFSTATE = modname..":"..basename.."_off"
+	local def = def
 	minetest.register_node(ONSTATE, {
-		drawtype = "nodebox";
-		paramtype = "light";
-		paramtype2 = "facedir";
-		description = def.description;
-		groups = { snappy=2, choppy=2, oddly_breakable_by_hand=2 };
+		drawtype = "nodebox",
+		paramtype = "light",
+		paramtype2 = "facedir",
+		description = def.description,
+		groups = {snappy=2, choppy=2, oddly_breakable_by_hand=2},
 		tiles = {
 			TEXPFX.."tp.png",
 			TEXPFX.."bt.png",
 			TEXPFX.."rt.png",
 			TEXPFX.."lt.png",
 			TEXPFX.."bk.png",
-			TEXPFX.."ft.png",
-		};
-		node_box = def.node_box;
-		selection_box = def.node_box;
-		on_rightclick = function ( pos, node, clicker, itemstack)
+			TEXPFX.."ft.png"
+		},
+		node_box = def.node_box,
+		selection_box = def.node_box,
+		on_rightclick = function (pos, node, clicker, itemstack)
 			if (def.on_turn_off) then
-				if (def.on_turn_off(pos, node, clicker, itemstack)) then return; end
+				if (def.on_turn_off(pos, node, clicker, itemstack)) then return end
 			end
-			node.name = OFFSTATE;
-			minetest.set_node(pos, node);
-		end;
-	});
+			node.name = OFFSTATE
+			minetest.set_node(pos, node)
+		end
+	})
 	minetest.register_node(OFFSTATE, {
-		drawtype = "nodebox";
-		paramtype = "light";
-		paramtype2 = "facedir";
-		groups = { snappy=2, choppy=2, oddly_breakable_by_hand=2,
-			not_in_creative_inventory=1 };
+		drawtype = "nodebox",
+		paramtype = "light",
+		paramtype2 = "facedir",
+		groups = {snappy=2, choppy=2, oddly_breakable_by_hand=2, not_in_creative_inventory=1},
 		tiles = {
 			(TEXPFX.."tp"..(def.tiles_off.top    and "_off" or "")..".png"),
 			(TEXPFX.."bt"..(def.tiles_off.bottom and "_off" or "")..".png"),
 			(TEXPFX.."rt"..(def.tiles_off.right  and "_off" or "")..".png"),
 			(TEXPFX.."lt"..(def.tiles_off.left   and "_off" or "")..".png"),
 			(TEXPFX.."bk"..(def.tiles_off.back   and "_off" or "")..".png"),
-			(TEXPFX.."ft"..(def.tiles_off.front  and "_off" or "")..".png"),
-		};
-		node_box = def.node_box_off or def.node_box;
-		selection_box = def.node_box_off or def.node_box;
-		on_rightclick = function ( pos, node, clicker, itemstack)
+			(TEXPFX.."ft"..(def.tiles_off.front  and "_off" or "")..".png")
+		},
+		node_box = def.node_box_off or def.node_box,
+		selection_box = def.node_box_off or def.node_box,
+		on_rightclick = function (pos, node, clicker, itemstack)
 			if (def.on_turn_on) then
-				if (def.on_turn_on(pos, node, clicker, itemstack)) then return; end
+				if (def.on_turn_on(pos, node, clicker, itemstack)) then return end
 			end
-			node.name = ONSTATE;
-			minetest.set_node(pos, node);
-		end;
-		drop = ONSTATE;
-	});
+			node.name = ONSTATE
+			minetest.set_node(pos, node)
+		end,
+		drop = ONSTATE
+	})
 end
 
-computer.register_handheld = function ( name, def )
-	local nodename = name;
-	if (name:sub(1, 1) == ":") then name = name:sub(2); end
-	local modname, basename = name:match("^([^:]+):(.*)");
-	local TEXPFX = modname.."_"..basename.."_inv";
-	local ONSTATE = modname..":"..basename;
-	local OFFSTATE = modname..":"..basename.."_off";
-	local on_use = def.on_use;
+computer.register_handheld = function (name, def)
+	local nodename = name
+	if (name:sub(1, 1) == ":") then name = name:sub(2) end
+	local modname, basename = name:match("^([^:]+):(.*)")
+	local TEXPFX = modname.."_"..basename.."_inv"
+	local ONSTATE = modname..":"..basename
+	local OFFSTATE = modname..":"..basename.."_off"
+	local on_use = def.on_use
 	minetest.register_craftitem(ONSTATE, {
-		description = def.description;
-		inventory_image = TEXPFX..".png";
-		wield_image = TEXPFX..".png";
-	});
+		description = def.description,
+		inventory_image = TEXPFX..".png",
+		wield_image = TEXPFX..".png"
+	})
 end
 
-computer.pixelnodebox = function ( size, boxes )
-	local fixed = { };
-	local i, box;
+computer.pixelnodebox = function (size, boxes)
+	local fixed = { }
+	local i, box
 	for i, box in ipairs(boxes) do
-		local x, y, z, w, h, l = unpack(box);
+		local x, y, z, w, h, l = unpack(box)
 		fixed[#fixed + 1] = {
 			(x / size) - 0.5,
 			(y / size) - 0.5,
 			(z / size) - 0.5,
 			((x + w) / size) - 0.5,
 			((y + h) / size) - 0.5,
-			((z + l) / size) - 0.5,
-		};
+			((z + l) / size) - 0.5
+		}
 	end
 	return {
-		type = "fixed";
-		fixed = fixed;
-	};
+		type = "fixed",
+		fixed = fixed
+	}
 end
 
-local MODPATH = minetest.get_modpath("computer");
-dofile(MODPATH.."/computers.lua");
-dofile(MODPATH.."/miscitems.lua");
-dofile(MODPATH.."/recipes.lua");
+local MODPATH = minetest.get_modpath("computer")
+dofile(MODPATH.."/computers.lua")
+dofile(MODPATH.."/miscitems.lua")
+dofile(MODPATH.."/recipes.lua")
+dofile(MODPATH.."/tetris.lua")
diff --git a/computer/models/tetris_arcade.obj b/computer/models/tetris_arcade.obj
new file mode 100644
index 00000000..66d651f6
--- /dev/null
+++ b/computer/models/tetris_arcade.obj
@@ -0,0 +1,34 @@
+# Blender v2.72 (sub 0) OBJ File: ''
+# www.blender.org
+mtllib vending_machine.mtl
+o Cube
+v 0.499998 -0.499998 -0.499998
+v 0.499998 -0.499998 0.499998
+v -0.499998 -0.499998 0.499998
+v -0.499998 -0.499998 -0.499998
+v 0.499998 1.499994 -0.499998
+v 0.499998 1.499994 0.499998
+v -0.499998 1.499994 0.499998
+v -0.499998 1.499994 -0.499998
+vt 0.250050 0.250050
+vt 0.000100 0.250050
+vt 0.000100 0.000100
+vt 0.250050 0.000100
+vt 0.250050 0.749950
+vt 0.250050 0.999900
+vt 0.000100 0.999900
+vt 0.000100 0.749950
+vt 0.999900 0.250049
+vt 0.999900 0.749949
+vt 0.749950 0.749950
+vt 0.749950 0.250050
+vt 0.500000 0.749950
+vt 0.500000 0.250050
+usemtl Material
+s off
+f 1/1 2/2 3/3 4/4
+f 5/5 8/6 7/7 6/8
+f 1/1 5/5 6/8 2/2
+f 2/9 6/10 7/11 3/12
+f 3/12 7/11 8/13 4/14
+f 5/5 1/1 4/14 8/13
diff --git a/computer/recipes.lua b/computer/recipes.lua
index e4335a1c..243292af 100644
--- a/computer/recipes.lua
+++ b/computer/recipes.lua
@@ -3,132 +3,141 @@
 -- License is WTFPL (see README.txt).
 
 minetest.register_craft({
-	output = "computer:shefriendSOO";
+	output = "computer:shefriendSOO",
 	recipe = {
-		{ "homedecor:plastic_sheeting", "homedecor:plastic_sheeting", "homedecor:plastic_sheeting", },
-		{ "homedecor:plastic_sheeting", "default:glass", "homedecor:plastic_sheeting", },
-		{ "homedecor:plastic_sheeting", "default:wood", "homedecor:plastic_sheeting", },
-	};
-});
+		{ "homedecor:plastic_sheeting", "homedecor:plastic_sheeting", "homedecor:plastic_sheeting" },
+		{ "homedecor:plastic_sheeting", "default:glass", "homedecor:plastic_sheeting" },
+		{ "homedecor:plastic_sheeting", "default:wood", "homedecor:plastic_sheeting" }
+	}
+})
 
 minetest.register_craft({
-	output = "computer:slaystation";
+	output = "computer:slaystation",
 	recipe = {
-		{ "homedecor:plastic_sheeting", "homedecor:plastic_sheeting", "homedecor:plastic_sheeting", },
-		{ "homedecor:plastic_sheeting", "default:wood", "homedecor:plastic_sheeting", },
-	};
-});
+		{ "homedecor:plastic_sheeting", "homedecor:plastic_sheeting", "homedecor:plastic_sheeting" },
+		{ "homedecor:plastic_sheeting", "default:wood", "homedecor:plastic_sheeting" }
+	}
+})
 
 minetest.register_craft({
-	output = "computer:vanio";
+	output = "computer:vanio",
 	recipe = {
-		{ "homedecor:plastic_sheeting", "", "", },
+		{ "homedecor:plastic_sheeting", "", "" },
 		{ "default:glass", "", "" },
-		{ "homedecor:plastic_sheeting", "homedecor:plastic_sheeting", "homedecor:plastic_sheeting", },
-	};
-});
+		{ "homedecor:plastic_sheeting", "homedecor:plastic_sheeting", "homedecor:plastic_sheeting" }
+	}
+})
 
 minetest.register_craft({
-	output = "computer:specter";
+	output = "computer:specter",
 	recipe = {
-		{ "", "", "homedecor:plastic_sheeting", },
-		{ "homedecor:plastic_sheeting", "homedecor:plastic_sheeting", "homedecor:plastic_sheeting", },
-		{ "homedecor:plastic_sheeting", "homedecor:plastic_sheeting", "homedecor:plastic_sheeting", },
-	};
-});
+		{ "", "", "homedecor:plastic_sheeting" },
+		{ "homedecor:plastic_sheeting", "homedecor:plastic_sheeting", "homedecor:plastic_sheeting" },
+		{ "homedecor:plastic_sheeting", "homedecor:plastic_sheeting", "homedecor:plastic_sheeting" }
+	}
+})
 
 minetest.register_craft({
-	output = "computer:slaystation2";
+	output = "computer:slaystation2",
 	recipe = {
-		{ "homedecor:plastic_sheeting", "homedecor:plastic_sheeting", "homedecor:plastic_sheeting", },
-		{ "homedecor:plastic_sheeting", "default:steel_ingot", "homedecor:plastic_sheeting", },
-	};
-});
+		{ "homedecor:plastic_sheeting", "homedecor:plastic_sheeting", "homedecor:plastic_sheeting" },
+		{ "homedecor:plastic_sheeting", "default:steel_ingot", "homedecor:plastic_sheeting" }
+	}
+})
 
 minetest.register_craft({
-	output = "computer:admiral64";
+	output = "computer:admiral64",
 	recipe = {
-		{ "homedecor:plastic_sheeting", "homedecor:plastic_sheeting", "homedecor:plastic_sheeting", },
-		{ "default:wood", "default:wood", "default:wood", },
-	};
-});
+		{ "homedecor:plastic_sheeting", "homedecor:plastic_sheeting", "homedecor:plastic_sheeting" },
+		{ "default:wood", "default:wood", "default:wood" }
+	}
+})
 
 minetest.register_craft({
-	output = "computer:admiral128";
+	output = "computer:admiral128",
 	recipe = {
-		{ "homedecor:plastic_sheeting", "homedecor:plastic_sheeting", "homedecor:plastic_sheeting", },
-		{ "default:steel_ingot", "default:steel_ingot", "default:steel_ingot", },
-	};
-});
+		{ "homedecor:plastic_sheeting", "homedecor:plastic_sheeting", "homedecor:plastic_sheeting" },
+		{ "default:steel_ingot", "default:steel_ingot", "default:steel_ingot" }
+	}
+})
 
 minetest.register_craft({
-	output = "computer:wee";
+	output = "computer:wee",
 	recipe = {
-		{ "homedecor:plastic_sheeting", "homedecor:plastic_sheeting", "homedecor:plastic_sheeting", },
-		{ "homedecor:plastic_sheeting", "default:copper_ingot", "homedecor:plastic_sheeting", },
-	};
-});
+		{ "homedecor:plastic_sheeting", "homedecor:plastic_sheeting", "homedecor:plastic_sheeting" },
+		{ "homedecor:plastic_sheeting", "default:copper_ingot", "homedecor:plastic_sheeting" }
+	}
+})
 
 minetest.register_craft({
-	output = "computer:piepad";
+	output = "computer:piepad",
 	recipe = {
-		{ "homedecor:plastic_sheeting", "homedecor:plastic_sheeting", "homedecor:plastic_sheeting", },
-		{ "homedecor:plastic_sheeting", "default:glass", "homedecor:plastic_sheeting", },
-	};
-});
+		{ "homedecor:plastic_sheeting", "homedecor:plastic_sheeting", "homedecor:plastic_sheeting" },
+		{ "homedecor:plastic_sheeting", "default:glass", "homedecor:plastic_sheeting" }
+	}
+})
 
 --new stuff
 
 minetest.register_craft({
-	output = "computer:monitor";
+	output = "computer:monitor",
 	recipe = {
-		{ "homedecor:plastic_sheeting", "default:glass","", },
-		{ "homedecor:plastic_sheeting", "default:glass","", },
-		{ "homedecor:plastic_sheeting", "default:mese_crystal_fragment", "homedecor:plastic_sheeting", },
-	};
-});
+		{ "homedecor:plastic_sheeting", "default:glass","" },
+		{ "homedecor:plastic_sheeting", "default:glass","" },
+		{ "homedecor:plastic_sheeting", "default:mese_crystal_fragment", "homedecor:plastic_sheeting" }
+	}
+})
 
 minetest.register_craft({
-	output = "computer:router";
+	output = "computer:router",
 	recipe = {
-		{ "default:steel_ingot","","", },
-		{ "default:steel_ingot" ,"homedecor:plastic_sheeting", "homedecor:plastic_sheeting", },
-		{ "default:mese_crystal_fragment","homedecor:plastic_sheeting", "homedecor:plastic_sheeting",  },
-	};
-});
+		{ "default:steel_ingot","","" },
+		{ "default:steel_ingot" ,"homedecor:plastic_sheeting", "homedecor:plastic_sheeting" },
+		{ "default:mese_crystal_fragment","homedecor:plastic_sheeting", "homedecor:plastic_sheeting"  }
+	}
+})
 
 minetest.register_craft({
-	output = "computer:tower";
+	output = "computer:tower",
 	recipe = {
-		{ "homedecor:plastic_sheeting", "default:steel_ingot", "homedecor:plastic_sheeting", },
-		{ "homedecor:plastic_sheeting", "default:mese_crystal", "homedecor:plastic_sheeting", },
-		{ "homedecor:plastic_sheeting", "default:steel_ingot", "homedecor:plastic_sheeting", },
-	};
-});
+		{ "homedecor:plastic_sheeting", "default:steel_ingot", "homedecor:plastic_sheeting" },
+		{ "homedecor:plastic_sheeting", "default:mese_crystal", "homedecor:plastic_sheeting" },
+		{ "homedecor:plastic_sheeting", "default:steel_ingot", "homedecor:plastic_sheeting" }
+	}
+})
 
 minetest.register_craft({
-	output = "computer:printer";
+	output = "computer:printer",
 	recipe = {
-		{ "homedecor:plastic_sheeting", "default:steel_ingot","", },
-		{ "homedecor:plastic_sheeting", "default:mese_crystal", "homedecor:plastic_sheeting", },
-		{ "homedecor:plastic_sheeting", "default:coal_lump", "homedecor:plastic_sheeting", },
-	};
-});
+		{ "homedecor:plastic_sheeting", "default:steel_ingot","" },
+		{ "homedecor:plastic_sheeting", "default:mese_crystal", "homedecor:plastic_sheeting" },
+		{ "homedecor:plastic_sheeting", "default:coal_lump", "homedecor:plastic_sheeting" }
+	}
+})
 
 minetest.register_craft({
-	output = "computer:printer";
+	output = "computer:printer",
 	recipe = {
-		{ "homedecor:plastic_sheeting", "default:steel_ingot","", },
-		{ "homedecor:plastic_sheeting", "default:mese_crystal", "homedecor:plastic_sheeting", },
-		{ "homedecor:plastic_sheeting", "dye:black", "homedecor:plastic_sheeting", },
-	};
-});
+		{ "homedecor:plastic_sheeting", "default:steel_ingot","" },
+		{ "homedecor:plastic_sheeting", "default:mese_crystal", "homedecor:plastic_sheeting" },
+		{ "homedecor:plastic_sheeting", "dye:black", "homedecor:plastic_sheeting", }
+	}
+})
 
 minetest.register_craft({
-	output = "computer:server";
+	output = "computer:server",
 	recipe = {
 		{ "computer:tower", "computer:tower", "computer:tower", },
-		{ "computer:tower", "computer:tower", "computer:tower", },
-		{ "computer:tower", "computer:tower", "computer:tower", },
-	};
-});
+		{ "computer:tower", "computer:tower", "computer:tower" },
+		{ "computer:tower", "computer:tower", "computer:tower" }
+	}
+})
+
+minetest.register_craft({
+	output = "computer:tetris_arcade",
+	recipe = {
+		{ "homedecor:plastic_sheeting", "homedecor:power_crystal", "homedecor:plastic_sheeting", },
+		{ "dye:black", "default:glass", "dye:black" },
+		{ "homedecor:plastic_sheeting", "homedecor:power_crystal", "homedecor:plastic_sheeting" }
+	}
+})
diff --git a/computer/tetris.lua b/computer/tetris.lua
new file mode 100644
index 00000000..ecfb7186
--- /dev/null
+++ b/computer/tetris.lua
@@ -0,0 +1,282 @@
+local shapes = {
+   {  { x = {0, 1, 0, 1}, y = {0, 0, 1, 1} } },
+     
+   {  { x = {1, 1, 1, 1}, y = {0, 1, 2, 3} },
+      { x = {0, 1, 2, 3}, y = {1, 1, 1, 1} } },
+
+   {  { x = {0, 0, 1, 1}, y = {0, 1, 1, 2} },
+      { x = {1, 2, 0, 1}, y = {0, 0, 1, 1} } },
+
+   {  { x = {1, 0, 1, 0}, y = {0, 1, 1, 2} },
+      { x = {0, 1, 1, 2}, y = {0, 0, 1, 1} } },
+
+   {  { x = {1, 2, 1, 1}, y = {0, 0, 1, 2} },
+      { x = {0, 1, 2, 2}, y = {1, 1, 1, 2} },
+      { x = {1, 1, 0, 1}, y = {0, 1, 2, 2} },
+      { x = {0, 0, 1, 2}, y = {0, 1, 1, 1} } },
+
+   {  { x = {1, 1, 1, 2}, y = {0, 1, 2, 2} },
+      { x = {0, 1, 2, 0}, y = {1, 1, 1, 2} },
+      { x = {0, 1, 1, 1}, y = {0, 0, 1, 2} },
+      { x = {0, 1, 2, 2}, y = {1, 1, 1, 0} } },
+
+   {  { x = {1, 0, 1, 2}, y = {0, 1, 1, 1} },
+      { x = {1, 1, 1, 2}, y = {0, 1, 2, 1} },
+      { x = {0, 1, 2, 1}, y = {1, 1, 1, 2} },
+      { x = {0, 1, 1, 1}, y = {1, 0, 1, 2} } } }
+
+local colors = { "computer_cyan.png", "computer_magenta.png", "computer_red.png",
+	"computer_blue.png", "computer_green.png", "computer_orange.png", "computer_yellow.png" }
+
+local background = "image[0,0;3.55,6.66;computer_black.png]"
+local buttons = "button[3,4.5;0.6,0.6;left;◄]"
+	.."button[3.6,4.5;0.6,0.6;rotateleft;L]"
+	.."button[4.2,4.5;0.6,0.6;down;V]"
+	.."button[4.2,5.3;0.6,0.6;drop;▼]"
+	.."button[4.8,4.5;0.6,0.6;rotateright;R]"
+	.."button[5.4,4.5;0.6,0.6;right;►]"
+	.."button[3.5,3;2,2;new;New Game]"
+
+local formsize = "size[5.9,5.7]"
+local boardx, boardy = 0, 0
+local sizex, sizey, size = 0.29, 0.29, 0.31
+
+local comma = ","
+local semi = ";"
+local close = "]"
+
+local concat = table.concat
+local insert = table.insert
+
+local draw_shape = function(id, x, y, rot, posx, posy)
+	local d = shapes[id][rot]
+	local scr = {}
+	local ins = #scr
+
+	for i=1,4 do
+		local tmp = { "image[",
+			(d.x[i]+x)*sizex+posx, comma,
+			(d.y[i]+y)*sizey+posy, semi,
+			size, comma, size, semi,
+			colors[id], close }
+
+		ins = ins + 1
+		scr[ins] = concat(tmp)
+	end
+
+	return concat(scr)
+end
+
+local function step(pos, fields)
+	local meta = minetest.get_meta(pos)
+	local t = minetest.deserialize(meta:get_string("tetris"))
+	
+	local function new_game(pos)
+		local nex = math.random(7)
+
+		t = {
+			board = {},
+			boardstring = "",
+			previewstring = draw_shape(nex, 0, 0, 1, 4, 1),
+			score = 0,
+			cur = math.random(7),
+			nex = nex,
+			x=4, y=0, rot=1 
+		}
+
+		local timer = minetest.get_node_timer(pos)
+		timer:set(0.3, 0)
+	end
+
+	local function update_boardstring()
+		local scr = {}
+		local ins = #scr
+
+		for i, line in pairs(t.board) do
+			for _, tile in pairs(line) do
+				local tmp = { "image[",
+					tile[1]*sizex+boardx, comma,
+					i*sizey+boardy, semi,
+					size, comma, size, semi,
+					colors[tile[2]], close }
+				
+				ins = ins + 1
+				scr[ins] = concat(tmp)
+			end
+		end
+
+		t.boardstring = concat(scr)
+	end
+
+	local function add()
+		local d = shapes[t.cur][t.rot]
+
+		for i=1,4 do
+			local l = d.y[i] + t.y
+			if not t.board[l] then t.board[l] = {} end
+			insert(t.board[l], {d.x[i] + t.x, t.cur})
+		end
+	end
+
+	local function scroll(l)
+		for i=l, 1, -1 do
+			t.board[i] = t.board[i-1] or {}
+		end
+	end
+
+	local function check_lines()
+		for i, line in pairs(t.board) do
+			if #line >= 10 then
+				scroll(i)
+				t.score = t.score + 20
+			end
+		end
+	end
+
+	local function check_position(x, y, rot)
+		local d = shapes[t.cur][rot]
+
+		for i=1,4 do
+			local cx, cy = d.x[i]+x, d.y[i]+y
+			
+			if cx < 0 or cx > 9 or cy < 0 or cy > 19 then
+				return false 
+			end
+
+			for _, tile in pairs(t.board[ cy ] or {}) do
+				if tile[1] == cx then return false end
+			end
+		end
+
+		return true
+	end
+
+	local function stuck()
+		if check_position(t.x, t.y+1, t.rot) then return false end
+		return true
+	end
+
+	local function tick()
+		if stuck() then	
+			if t.y <= 0 then
+				return false end
+			add()
+			check_lines()
+			update_boardstring()
+			t.cur, t.nex = t.nex, math.random(7)
+			t.x, t.y, t.rot = 4, 0, 1
+			t.previewstring = draw_shape(t.nex, 0, 0, 1, 4.1, 0.6)
+		else
+			t.y = t.y + 1
+		end
+		return true
+	end  
+
+	local function move(dx, dy)
+		local newx, newy = t.x+dx, t.y+dy
+		if not check_position(newx, newy, t.rot) then return end
+		t.x, t.y = newx, newy
+	end
+
+	local function rotate(dr)
+		local no = #(shapes[t.cur])
+		local newrot = (t.rot+dr) % no
+
+		if newrot<1 then newrot = newrot+no end
+		if not check_position(t.x, t.y, newrot) then return end
+		t.rot = newrot
+	end
+
+	local function key()
+		if fields.left then
+			move(-1, 0)
+		end
+		if fields.rotateleft then
+			rotate(-1)
+		end
+		if fields.down then
+			t.score = t.score + 1
+			move(0, 1)
+		end
+		if fields.drop then
+		   while not stuck() do
+			  t.score = t.score + 2
+		      move(0, 1)
+		   end
+		end
+		if fields.rotateright then
+			rotate(1)
+		end
+		if fields.right then
+			move(1, 0)
+		end
+	end
+
+	local run = true
+
+	if fields then
+		if fields.new then
+			new_game(pos)
+		else
+			key(fields)
+		end
+	else
+		run = tick()
+	end
+
+	if t ~= nil then
+	local scr = { formsize, background, 
+		t.boardstring, t.previewstring,
+		draw_shape(t.cur, t.x, t.y, t.rot, boardx, boardy),
+		"label[3.8,0.1;Next...]label[3.8,2.7;Score: ", 
+		t.score, close, buttons }
+
+
+		meta:set_string("formspec", concat(scr)
+			..default.gui_bg..default.gui_bg_img..default.gui_slots)
+		meta:set_string("tetris", minetest.serialize(t))
+	end
+
+	return run
+end
+
+local arcade = {
+	description="Tetris Arcade",
+	drawtype = "mesh",
+	mesh = "tetris_arcade.obj",
+	tiles = {"tetris_arcade.png"},
+	paramtype = "light",
+	paramtype2 = "facedir",
+	groups = {snappy=3},
+	selection_box = {
+		type = "fixed",
+		fixed = {-0.5, -0.5, -0.5, 0.5, 1.5, 0.5}
+	},
+	collision_box = {
+		type = "fixed",
+		fixed = {-0.5, -0.5, -0.5, 0.5, 1.5, 0.5}
+	},
+	on_construct = function(pos)
+		local meta = minetest.get_meta(pos)
+		meta:set_string("formspec", formsize.."button[2,2.5;2,2;new;New Game]"
+			..default.gui_bg..default.gui_bg_img..default.gui_slots)
+	end,
+	on_timer = function(pos)
+		return step(pos, nil)
+	end,
+	on_receive_fields = function(pos, formanme, fields, sender)
+		step(pos, fields)
+	end,
+	on_place = function(itemstack, placer, pointed_thing)
+		local pos = pointed_thing.above
+		if minetest.get_node({x=pos.x, y=pos.y+1, z=pos.z}).name ~= "air" then
+			minetest.chat_send_player(placer:get_player_name(), "No room for place the Arcade!")
+		return end
+		local dir = placer:get_look_dir()
+		local node = {name="computer:tetris_arcade", param1=0, param2 = minetest.dir_to_facedir(dir)}
+		minetest.set_node(pos, node)
+		itemstack:take_item()
+	end
+}
+
+minetest.register_node("computer:tetris_arcade", arcade)
diff --git a/computer/textures/computer_black.png b/computer/textures/computer_black.png
new file mode 100644
index 00000000..e4e017f4
Binary files /dev/null and b/computer/textures/computer_black.png differ
diff --git a/computer/textures/computer_blue.png b/computer/textures/computer_blue.png
new file mode 100644
index 00000000..a5a59772
Binary files /dev/null and b/computer/textures/computer_blue.png differ
diff --git a/computer/textures/computer_cyan.png b/computer/textures/computer_cyan.png
new file mode 100644
index 00000000..b2c037ea
Binary files /dev/null and b/computer/textures/computer_cyan.png differ
diff --git a/computer/textures/computer_green.png b/computer/textures/computer_green.png
new file mode 100644
index 00000000..444cce54
Binary files /dev/null and b/computer/textures/computer_green.png differ
diff --git a/computer/textures/computer_magenta.png b/computer/textures/computer_magenta.png
new file mode 100644
index 00000000..e5b9d044
Binary files /dev/null and b/computer/textures/computer_magenta.png differ
diff --git a/computer/textures/computer_orange.png b/computer/textures/computer_orange.png
new file mode 100644
index 00000000..27792f7c
Binary files /dev/null and b/computer/textures/computer_orange.png differ
diff --git a/computer/textures/computer_red.png b/computer/textures/computer_red.png
new file mode 100644
index 00000000..adcd6272
Binary files /dev/null and b/computer/textures/computer_red.png differ
diff --git a/computer/textures/computer_yellow.png b/computer/textures/computer_yellow.png
new file mode 100644
index 00000000..29537acc
Binary files /dev/null and b/computer/textures/computer_yellow.png differ
diff --git a/computer/textures/tetris_arcade.png b/computer/textures/tetris_arcade.png
new file mode 100644
index 00000000..dfd176df
Binary files /dev/null and b/computer/textures/tetris_arcade.png differ