diff --git a/files/bluestone/mesecons_button/init.lua b/files/bluestone/mesecons_button/init.lua
index 9e90aba..043831f 100644
--- a/files/bluestone/mesecons_button/init.lua
+++ b/files/bluestone/mesecons_button/init.lua
@@ -42,6 +42,12 @@ minetest.register_node("mesecons_button:button_stone_off", {
 		minetest.sound_play("mesecons_button_push", {pos=pos})
 		minetest.get_node_timer(pos):start(1)
 	end,
+	on_rightclick = function (pos, node)
+		minetest.swap_node(pos, {name = "mesecons_button:button_stone_on", param2=node.param2})
+		mesecon.receptor_on(pos, mesecon.rules.buttonlike_get(node))
+		minetest.sound_play("mesecons_button_push", {pos=pos})
+		minetest.get_node_timer(pos):start(1)
+	end,
 	sounds = default.node_sound_stone_defaults(),
 	mesecons = {receptor = {
 		state = mesecon.state.off,
@@ -105,6 +111,12 @@ minetest.register_node("mesecons_button:button_wood_off", {
 		minetest.sound_play("mesecons_button_push", {pos=pos})
 		minetest.get_node_timer(pos):start(1)
 	end,
+	on_rightclick = function (pos, node)
+		minetest.swap_node(pos, {name = "mesecons_button:button_wood_on", param2=node.param2})
+		mesecon.receptor_on(pos, mesecon.rules.buttonlike_get(node))
+		minetest.sound_play("mesecons_button_push", {pos=pos})
+		minetest.get_node_timer(pos):start(1)
+	end,
 	sounds = default.node_sound_stone_defaults(),
 	mesecons = {receptor = {
 		state = mesecon.state.off,
diff --git a/files/bluestone/mesecons_delayer/init.lua b/files/bluestone/mesecons_delayer/init.lua
index 02f17f6..4eafe3e 100644
--- a/files/bluestone/mesecons_delayer/init.lua
+++ b/files/bluestone/mesecons_delayer/init.lua
@@ -36,9 +36,9 @@ end
 for i = 1, 4 do
 local groups = {}
 if i == 1 then 
-	groups = {bendy = 2, snappy = 1, dig_immediate = 2}
+	groups = {bendy = 2, snappy = 1, dig_immediate = 2, attached_node = 1}
 else
-	groups = {bendy = 2, snappy = 1, dig_immediate = 2, not_in_creative_inventory = 1}
+	groups = {bendy = 2, snappy = 1, dig_immediate = 2, attached_node = 1, not_in_creative_inventory = 1}
 end
 
 local delaytime
diff --git a/files/bluestone/mesecons_lightstone/init.lua b/files/bluestone/mesecons_lightstone/init.lua
index 630c54a..7cb52a6 100644
--- a/files/bluestone/mesecons_lightstone/init.lua
+++ b/files/bluestone/mesecons_lightstone/init.lua
@@ -32,7 +32,7 @@ minetest.register_node("mesecons_lightstone:lightstone_off", {
 minetest.register_node("mesecons_lightstone:lightstone_on", {
 	tiles = {"jeija_lightstone_gray_on.png"},
 	is_ground_content = false,
-	groups = {cracky=2,not_in_creative_inventory=1, mesecon = 2},
+	groups = {cracky=2, not_in_creative_inventory=1, mesecon = 2},
 	drop = "mesecons_lightstone:lightstone_off",
 	light_source = minetest.LIGHT_MAX - 2,
 	sounds = default.node_sound_glass_defaults(),
diff --git a/files/bluestone/mesecons_noteblock/init.lua b/files/bluestone/mesecons_noteblock/init.lua
index d7aa135..0fb8d6b 100644
--- a/files/bluestone/mesecons_noteblock/init.lua
+++ b/files/bluestone/mesecons_noteblock/init.lua
@@ -3,6 +3,7 @@ minetest.register_node("mesecons_noteblock:noteblock", {
 	tiles = {"mesecons_noteblock.png"},
 	is_ground_content = false,
 	groups = {snappy = 2, choppy = 2, oddly_breakable_by_hand = 2},
+	stack_max = 1,
 	on_punch = function (pos, node) -- change sound when punched
 		node.param2 = (node.param2+1)%12
 		mesecon.noteblock_play(pos, node.param2)
diff --git a/files/bluestone/mesecons_pistons/init.lua b/files/bluestone/mesecons_pistons/init.lua
index e9ebb54..c1cb23f 100644
--- a/files/bluestone/mesecons_pistons/init.lua
+++ b/files/bluestone/mesecons_pistons/init.lua
@@ -65,7 +65,7 @@ local piston_remove_pusher = function (pos, node)
 		return
 	end
 
-		minetest.remove_node(pusherpos)
+	minetest.remove_node(pusherpos)
 	minetest.sound_play("piston_retract", {
 		pos = pos,
 		max_hear_distance = 20,
@@ -174,6 +174,7 @@ minetest.register_node("mesecons_pistons:piston_normal_off", {
 		"mesecons_piston_pusher_front.png"
 		},
 	groups = {cracky = 3},
+	stack_max = 1,
 	paramtype2 = "facedir",
 	after_place_node = piston_orientate,
 	mesecons_piston = pistonspec_normal,
@@ -253,6 +254,7 @@ minetest.register_node("mesecons_pistons:piston_sticky_off", {
 		"mesecons_piston_pusher_front_sticky.png"
 		},
 	groups = {cracky = 3},
+	stack_max = 1,
 	paramtype2 = "facedir",
 	after_place_node = piston_orientate,
 	mesecons_piston = pistonspec_sticky,
diff --git a/files/bluestone/mesecons_pressureplates/init.lua b/files/bluestone/mesecons_pressureplates/init.lua
index bbb7d93..5116873 100644
--- a/files/bluestone/mesecons_pressureplates/init.lua
+++ b/files/bluestone/mesecons_pressureplates/init.lua
@@ -93,7 +93,7 @@ mesecon.register_pressure_plate(
 	{"default_wood.png"},
 	{"default_wood.png"},
 	{{"default:wood", "default:wood"}},
-	{ choppy = 3, oddly_breakable_by_hand = 3 },
+	{ choppy = 3, oddly_breakable_by_hand = 3, attached_node = 1 },
 	default.node_sound_wood_defaults())
 
 mesecon.register_pressure_plate(
@@ -102,5 +102,5 @@ mesecon.register_pressure_plate(
 	{"default_stone.png"},
 	{"default_stone.png"},
 	{{"default:cobble", "default:cobble"}},
-	{ cracky = 3, oddly_breakable_by_hand = 3 },
+	{ cracky = 3, oddly_breakable_by_hand = 3, attached_node = 1 },
 	default.node_sound_stone_defaults())
diff --git a/files/bluestone/mesecons_solarpanel/init.lua b/files/bluestone/mesecons_solarpanel/init.lua
index 09c5155..923af64 100644
--- a/files/bluestone/mesecons_solarpanel/init.lua
+++ b/files/bluestone/mesecons_solarpanel/init.lua
@@ -14,7 +14,7 @@ minetest.register_node("mesecons_solarpanel:solar_panel_on", {
 		wall_side   = { -2/16, -8/16, -8/16, -8/16,  8/16, 8/16 },
 	},
 	drop = "mesecons_solarpanel:solar_panel_off",
-	groups = {dig_immediate=3, not_in_creative_inventory = 1},
+	groups = {dig_immediate = 3, attached_node = 1, not_in_creative_inventory = 1},
 	sounds = default.node_sound_glass_defaults(),
 	mesecons = {receptor = {
 		state = mesecon.state.on,
@@ -38,7 +38,7 @@ minetest.register_node("mesecons_solarpanel:solar_panel_off", {
 		wall_top	= { -8/16,  2/16, -8/16,  8/16,  8/16, 8/16 },
 		wall_side   = { -2/16, -8/16, -8/16, -8/16,  8/16, 8/16 },
 	},
-	groups = {dig_immediate=3},
+	groups = {dig_immediate = 3, attached_node = 1},
 		description="Solar Panel",
 	sounds = default.node_sound_glass_defaults(),
 	mesecons = {receptor = {
diff --git a/files/bluestone/mesecons_torch/init.lua b/files/bluestone/mesecons_torch/init.lua
index f928539..7f32eb3 100644
--- a/files/bluestone/mesecons_torch/init.lua
+++ b/files/bluestone/mesecons_torch/init.lua
@@ -58,7 +58,7 @@ local torch_selectionbox =
 	walkable = false,
 	paramtype2 = "wallmounted",
 	selection_box = torch_selectionbox,
-	groups = {dig_immediate = 3, not_in_creative_inventory = 1},
+	groups = {dig_immediate = 3, attached_node = 1, not_in_creative_inventory = 1},
 	drop = "mesecons_torch:mesecon_torch_on",
 	sounds = default.node_sound_defaults(),
 	mesecons = {receptor = {
diff --git a/files/bluestone/mesecons_walllever/init.lua b/files/bluestone/mesecons_walllever/init.lua
index 4b35f7c..11a18a5 100644
--- a/files/bluestone/mesecons_walllever/init.lua
+++ b/files/bluestone/mesecons_walllever/init.lua
@@ -39,7 +39,7 @@ mesecon.register_node("mesecons_walllever:wall_lever", {
 	},
 	node_box = {
 		type = "fixed",
-		fixed = {{ -2/16, -3/16,  8/16, 2/16, 3/16,  4/16 },	-- the base
+		fixed = {{ -2/16, -3/16,  8/16, 2/16, 3/16,  4/16 }, -- the base
 				 { -1/16, -8/16,  7/16, 1/16, 0/16,  5/16 }} -- the lever itself.
 	},
 	mesecons = {receptor = {
@@ -58,8 +58,8 @@ mesecon.register_node("mesecons_walllever:wall_lever", {
 	},
 	node_box = {
 		type = "fixed",
-		fixed = {{ -2/16, -3/16,  8/16, 2/16, 3/16,  4/16 },	-- the base
-				 { -1/16,  0/16,  7/16, 1/16, 8/16,  5/16 }}  -- the lever itself.
+		fixed = {{ -2/16, -3/16,  8/16, 2/16, 3/16,  4/16 }, -- the base
+				 { -1/16,  0/16,  7/16, 1/16, 8/16,  5/16 }} -- the lever itself.
 	},
 	on_rotate = false,
 	mesecons = {receptor = {
diff --git a/files/default/aliases.lua b/files/default/aliases.lua
index edf8c3a..9dd6cd1 100644
--- a/files/default/aliases.lua
+++ b/files/default/aliases.lua
@@ -24,7 +24,6 @@ minetest.register_alias("glass", "default:glass")
 minetest.register_alias("wooden_fence", "default:fence_wood")
 minetest.register_alias("ladder", "default:ladder")
 minetest.register_alias("wood", "default:wood")
-minetest.register_alias("cloud", "default:cloud")
 minetest.register_alias("water_flowing", "default:water_flowing")
 minetest.register_alias("water_source", "default:water_source")
 minetest.register_alias("lava_flowing", "default:lava_flowing")
diff --git a/files/default/craftitems.lua b/files/default/craftitems.lua
index 88abd33..6d60d89 100644
--- a/files/default/craftitems.lua
+++ b/files/default/craftitems.lua
@@ -228,14 +228,12 @@ minetest.register_craftitem("default:glowstone_dust", {
 
 minetest.register_craftitem("default:fish_raw", {
 	description = "Raw Fish",
-	groups = {},
 	inventory_image = "default_fish.png",
 	on_use = minetest.item_eat(2),
 })
 
 minetest.register_craftitem("default:fish", {
 	description = "Cooked Fish",
-	groups = {},
 	inventory_image = "default_fish_cooked.png",
 	on_use = minetest.item_eat(4),
 })
diff --git a/files/default/nodes.lua b/files/default/nodes.lua
index 3acaac3..3ed66d6 100644
--- a/files/default/nodes.lua
+++ b/files/default/nodes.lua
@@ -872,10 +872,11 @@ minetest.register_node("default:cactus", {
 })
 
 minetest.register_abm({
+	label = "Cactus damage",
 	nodenames = {"default:cactus"},
 	interval = 1,
 	chance = 1,
-	action = function(pos, node, active_object_count, active_object_count_wider)
+	action = function(pos)
 		local players = minetest.get_objects_inside_radius(pos, 1)
 		for i, player in ipairs(players) do
 			player:set_hp(player:get_hp() - 2)
@@ -1393,7 +1394,7 @@ minetest.register_node("default:ladder_wood", {
 		--wall_bottom = = <default>
 		--wall_side = = <default>
 	},
-	groups = {choppy = 2, oddly_breakable_by_hand = 3, flammable = 2},
+	groups = {choppy = 2, oddly_breakable_by_hand = 3, flammable = 2, attached_node = 1},
 	legacy_wallmounted = true,
 	sounds = default.node_sound_wood_defaults(),
 })
@@ -1538,18 +1539,6 @@ minetest.register_node("default:quartz_pillar", {
 	sounds = default.node_sound_stone_defaults(),
 })
 
---
--- Misc
---
-
-minetest.register_node("default:cloud", {
-	description = "Cloud",
-	tiles = {"default_cloud.png"},
-	is_ground_content = false,
-	sounds = default.node_sound_defaults(),
-	groups = {not_in_creative_inventory = 1},
-})
-
 --
 -- register trees for leafdecay
 --
diff --git a/files/default/textures/default_cloud.png b/files/default/textures/default_cloud.png
deleted file mode 100644
index 8529fa8..0000000
Binary files a/files/default/textures/default_cloud.png and /dev/null differ
diff --git a/files/default/trees.lua b/files/default/trees.lua
index de6c04e..82cc8bf 100644
--- a/files/default/trees.lua
+++ b/files/default/trees.lua
@@ -489,7 +489,7 @@ function default.sapling_on_place(itemstack, placer, pointed_thing,
 		return itemstack
 	end
 	-- Check tree volume for protection
-	if core.intersects_protection(
+	if minetest.is_area_protected(
 			vector.add(pos, minp_relative),
 			vector.add(pos, maxp_relative),
 			player_name,
diff --git a/files/fire/init.lua b/files/fire/init.lua
index ebf3ba0..f3d904d 100644
--- a/files/fire/init.lua
+++ b/files/fire/init.lua
@@ -43,8 +43,8 @@ minetest.register_node("fire:basic_flame", {
 			name = "fire_basic_flame_animated.png",
 			animation = {
 				type = "vertical_frames",
-				aspect_w = 16,
-				aspect_h = 16,
+				aspect_w = 32,
+				aspect_h = 32,
 				length = 1
 			},
 		},
@@ -103,7 +103,7 @@ minetest.register_node("fire:permanent_flame", {
 	sunlight_propagates = true,
 	floodable = true,
 	damage_per_second = 4,
-	groups = {igniter = 2, dig_immediate = 3},
+	groups = {igniter = 2, dig_immediate = 3, not_in_creative_inventory = 1},
 	drop = "",
 
 	on_flood = flood_flame,
diff --git a/files/itemframes/init.lua b/files/itemframes/init.lua
index 90d3d41..7823abb 100644
--- a/files/itemframes/init.lua
+++ b/files/itemframes/init.lua
@@ -122,7 +122,7 @@ minetest.register_node("itemframes:frame",{
 	paramtype = "light",
 	paramtype2 = "facedir",
 	sunlight_propagates = true,
-	groups = {choppy = 2, dig_immediate = 2},
+	groups = {choppy = 2, dig_immediate = 2, attached_node = 1},
 	legacy_wallmounted = true,
 	sounds = default.node_sound_wood_defaults(),
 	after_place_node = function(pos, placer, itemstack)
diff --git a/files/mobs_animal/bear.lua b/files/mobs_animal/bear.lua
index cdef7e0..d9398b3 100644
--- a/files/mobs_animal/bear.lua
+++ b/files/mobs_animal/bear.lua
@@ -94,10 +94,8 @@ mobs:spawn({
 	name = "mobs_animal:bear",
 	nodes = {"default:dirt", "default:sand", "default:redsand", "default:snow", "default:snowblock", "default:dirt_with_snow", "default:dirt_with_grass", "default:dirt_with_dry_grass"},
 	min_light = 0,
-	interval = 30,
-	chance = 15000,
+	chance = 30000,
 	min_height = 0,
-	max_height = 31000,
 	day_toggle = true,
 })
 
diff --git a/files/mobs_animal/bunny.lua b/files/mobs_animal/bunny.lua
index afe4f01..ec54eeb 100644
--- a/files/mobs_animal/bunny.lua
+++ b/files/mobs_animal/bunny.lua
@@ -104,10 +104,8 @@ mobs:spawn({
 	name = "mobs_animal:bunny",
 	nodes = {"default:snow", "default:snowblock", "default:dirt_with_snow",  "default:dirt_with_grass", "default:dirt_with_dry_grass"},
 	min_light = 10,
-	interval = 30,
-	chance = 8000,
+	chance = 20000,
 	min_height = 0,
-	max_height = 31000,
 	day_toggle = true,
 })
 
diff --git a/files/mobs_animal/chicken.lua b/files/mobs_animal/chicken.lua
index f900d09..f7627e0 100644
--- a/files/mobs_animal/chicken.lua
+++ b/files/mobs_animal/chicken.lua
@@ -77,10 +77,8 @@ mobs:spawn({
 	name = "mobs_animal:chicken",
 	nodes = {"default:dirt", "default:sand", "default:redsand", "default:snow", "default:snowblock", "default:dirt_with_snow",  "default:dirt_with_grass"},
 	min_light = 5,
-	interval = 30,
-	chance = 8000,
+	chance = 20000,
 	min_height = 0,
-	max_height = 31000,
 	day_toggle = true,
 })
 
diff --git a/files/mobs_animal/cow.lua b/files/mobs_animal/cow.lua
index 73c0e24..2864498 100644
--- a/files/mobs_animal/cow.lua
+++ b/files/mobs_animal/cow.lua
@@ -129,10 +129,8 @@ mobs:spawn({
 	name = "mobs_animal:cow",
 	nodes = {"default:dirt", "default:sand", "default:redsand", "default:snow", "default:snowblock", "default:dirt_with_dry_grass", "default:dirt_with_grass"},
 	min_light = 5,
-	interval = 30,
-	chance = 10000,
+	chance = 20000,
 	min_height = 0,
-	max_height = 31000,
 	day_toggle = true,
 })
 
diff --git a/files/mobs_animal/dog.lua b/files/mobs_animal/dog.lua
index f3e6bae..7fc7bf7 100644
--- a/files/mobs_animal/dog.lua
+++ b/files/mobs_animal/dog.lua
@@ -62,10 +62,8 @@ mobs:spawn({
 	name = "mobs_animal:wolf",
 	nodes = {"default:dirt", "default:sand", "default:redsand", "default:snow", "default:snowblock", "default:dirt_with_snow", "default:dirt_with_grass", "default:dirt_with_dry_grass"},
 	min_light = 0,
-	interval = 30,
-	chance = 15000,
+	chance = 20000,
 	min_height = 0,
-	max_height = 31000,
 	day_toggle = true,
 })
 
diff --git a/files/mobs_animal/kitten.lua b/files/mobs_animal/kitten.lua
index 51264ef..bdb0eee 100644
--- a/files/mobs_animal/kitten.lua
+++ b/files/mobs_animal/kitten.lua
@@ -55,10 +55,8 @@ mobs:spawn({
 	name = "mobs_animal:kitten",
 	nodes = {"default:dirt", "default:sand", "default:redsand", "default:snow", "default:snowblock", "default:dirt_with_snow",  "default:dirt_with_grass", "default:dirt_with_dry_grass"},
 	min_light = 10,
-	interval = 30,
-	chance = 10000,
+	chance = 20000,
 	min_height = 0,
-	max_height = 31000,
 	day_toggle = true,
 })
 
diff --git a/files/mobs_animal/pig.lua b/files/mobs_animal/pig.lua
index 8a355a6..5640990 100644
--- a/files/mobs_animal/pig.lua
+++ b/files/mobs_animal/pig.lua
@@ -59,10 +59,8 @@ mobs:spawn({
 	name = "mobs_animal:pig",
 	nodes = {"default:dirt", "default:sand", "default:redsand", "default:snow", "default:snowblock", "default:dirt_with_snow", "default:dirt_with_grass", "default:dirt_with_dry_grass"},
 	min_light = 5,
-	interval = 30,
-	chance = 15000,
+	chance = 20000,
 	min_height = 0,
-	max_height = 31000,
 	day_toggle = true,
 })
 
diff --git a/files/mobs_animal/sheep.lua b/files/mobs_animal/sheep.lua
index 82a4e42..35edde0 100644
--- a/files/mobs_animal/sheep.lua
+++ b/files/mobs_animal/sheep.lua
@@ -158,10 +158,8 @@ mobs:spawn({
 	name = "mobs_animal:sheep_white",
 	nodes = {"default:dirt", "default:sand", "default:redsand", "default:snow", "default:snowblock", "default:dirt_with_snow",  "default:dirt_with_grass"},
 	min_light = 7,
-	interval = 30,
-	chance = 40000,
+	chance = 100000,
 	min_height = 0,
-	max_height = 31000,
 	day_toggle = true,
 })
 
@@ -169,10 +167,8 @@ mobs:spawn({
 	name = "mobs_animal:sheep_grey",
 	nodes = {"default:dirt", "default:sand", "default:redsand", "default:snow", "default:snowblock", "default:dirt_with_snow",  "default:dirt_with_grass"},
 	min_light = 7,
-	interval = 30,
-	chance = 40000,
+	chance = 100000,
 	min_height = 0,
-	max_height = 31000,
 	day_toggle = true,
 })
 
@@ -180,10 +176,8 @@ mobs:spawn({
 	name = "mobs_animal:sheep_dark_grey",
 	nodes = {"default:dirt", "default:sand", "default:redsand", "default:snow", "default:snowblock", "default:dirt_with_snow",  "default:dirt_with_grass"},
 	min_light = 7,
-	interval = 30,
-	chance = 40000,
+	chance = 100000,
 	min_height = 0,
-	max_height = 31000,
 	day_toggle = true,
 })
 
@@ -191,10 +185,8 @@ mobs:spawn({
 	name = "mobs_animal:sheep_black",
 	nodes = {"default:dirt", "default:sand", "default:redsand", "default:dirt_with_dry_grass",  "default:dirt_with_grass"},
 	min_light = 7,
-	interval = 30,
-	chance = 40000,
+	chance = 100000,
 	min_height = 0,
-	max_height = 31000,
 	day_toggle = true,
 })
 
@@ -202,9 +194,7 @@ mobs:spawn({
 	name = "mobs_animal:sheep_brown",
 	nodes = {"default:dirt", "default:sand", "default:redsand", "default:dirt_with_dry_grass",  "default:dirt_with_grass"},
 	min_light = 7,
-	interval = 30,
-	chance = 40000,
+	chance = 100000,
 	min_height = 0,
-	max_height = 31000,
 	day_toggle = true,
 })
diff --git a/files/mobs_monster/skeleton.lua b/files/mobs_monster/skeleton.lua
index 4978a3f..9e3fba3 100644
--- a/files/mobs_monster/skeleton.lua
+++ b/files/mobs_monster/skeleton.lua
@@ -52,11 +52,9 @@ mobs:register_mob("mobs_monster:skeleton", {
 mobs:spawn({
 	name = "mobs_monster:skeleton",
 	nodes = {"default:dirt", "default:sandstone", "default:sand", "default:redsand", "default:stone", "default:snowblock", "default:dirt_with_snow", "default:dirt_with_grass", "default:dirt_with_dry_grass", "default:cobble", "default:mossycobble"},
-	min_light = 0,
 	max_light = 10,
-	chance = 7000,
-	min_height = -50,
-	max_height = 31000,
+	chance = 15000,
+	min_height = -64,
 })
 
 mobs:register_egg("mobs_monster:skeleton", "Skeleton egg", "mobs_chicken_egg.png^default_bone.png", 1)
diff --git a/files/mobs_monster/spider.lua b/files/mobs_monster/spider.lua
index 5b8eeb7..3d03ed2 100644
--- a/files/mobs_monster/spider.lua
+++ b/files/mobs_monster/spider.lua
@@ -62,12 +62,9 @@ mobs:register_mob("mobs_monster:spider", {
 mobs:spawn({
 	name = "mobs_monster:spider",
 	nodes = {"default:dirt", "default:sandstone", "default:sand", "default:redsand", "default:redsand", "default:stone", "default:dirt_with_snow", "default:dirt_with_grass", "default:dirt_with_dry_grass", "default:cobble", "default:mossycobble"},
-	min_light = 0,
 	max_light = 12,
-	interval = 30,
-	chance = 10000,
-	min_height = -50,
-	max_height = 31000,
+	chance = 20000,
+	min_height = -64,
 })
 
 mobs:register_egg("mobs_monster:spider", "Spider egg", "mobs_chicken_egg.png^mobs_cobweb.png", 1)
@@ -138,12 +135,8 @@ mobs:register_mob("mobs_monster:small_spider", {
 mobs:spawn({
 	name = "mobs_monster:small_spider",
 	nodes = {"default:dirt", "default:sandstone", "default:sand", "default:redsand", "default:redsand", "default:stone", "default:dirt_with_snow", "default:dirt_with_grass", "default:dirt_with_dry_grass", "default:cobble", "default:mossycobble"},
-	min_light = 0,
-	max_light = 15,
-	interval = 30,
-	chance = 10000,
-	min_height = -50,
-	max_height = 31000,
+	chance = 20000,
+	min_height = -64,
 })
 
 minetest.register_craft({
diff --git a/files/mobs_monster/zombie.lua b/files/mobs_monster/zombie.lua
index f1c7d11..5bef201 100644
--- a/files/mobs_monster/zombie.lua
+++ b/files/mobs_monster/zombie.lua
@@ -52,11 +52,9 @@ mobs:register_mob("mobs_monster:zombie", {
 mobs:spawn({
 	name = "mobs_monster:zombie",
 	nodes = {"default:dirt", "default:sandstone", "default:sand", "default:redsand", "default:stone", "default:snowblock", "default:dirt_with_snow", "default:dirt_with_grass", "default:dirt_with_dry_grass", "default:cobble", "default:mossycobble"},
-	min_light = 0,
 	max_light = 10,
-	chance = 7000,
-	min_height = -50,
-	max_height = 31000,
+	chance = 15000,
+	min_height = -64,
 })	
 
 mobs:register_egg("mobs_monster:zombie", "Zombie Head", "zombie_head.png", 0)
diff --git a/files/mobs_redo/api.lua b/files/mobs_redo/api.lua
index 879cf06..2d35bf6 100644
--- a/files/mobs_redo/api.lua
+++ b/files/mobs_redo/api.lua
@@ -37,7 +37,6 @@ end
 
 
 -- Load settings
-local damage_enabled = minetest.settings:get_bool("enable_damage")
 local mobs_spawn = minetest.settings:get_bool("mobs_spawn") ~= false
 local peaceful_only = minetest.settings:get_bool("only_peaceful_mobs")
 local disable_blood = minetest.settings:get_bool("mobs_disable_blood") ~= true
@@ -48,8 +47,14 @@ local spawn_protected = minetest.settings:get_bool("mobs_spawn_protected") ~= fa
 local remove_far = minetest.settings:get_bool("remove_far_mobs") ~= false
 local difficulty = tonumber(minetest.settings:get("mob_difficulty")) or 1.0
 local show_health = minetest.settings:get_bool("mob_show_health") ~= true
-local max_per_block = tonumber(minetest.settings:get("max_objects_per_block") or 99)
+local max_per_block = tonumber(minetest.settings:get("max_objects_per_block"))
 local mob_chance_multiplier = tonumber(minetest.settings:get("mob_chance_multiplier") or 1)
+local lifetime = 1200 -- 20 min
+local spawn_interval = 10
+if not minetest.is_singleplayer() then
+	lifetime = 300 -- 5 min
+	spawn_interval = 60
+end
 
 -- Peaceful mode message so players will know there are no monsters
 if peaceful_only then
@@ -74,10 +79,6 @@ local node_ice = "default:ice"
 local node_snowblock = "default:snowblock"
 local node_snow = "default:snow"
 mobs.fallback_node = minetest.registered_aliases["mapgen_dirt"] or "default:dirt"
-local lifetime = 1200 -- 20 min
-if not minetest.is_singleplayer() then
-	lifetime = 300 -- 5 min
-end
 
 local mob_class = {
 	stepheight = 1.1, -- was 0.6
@@ -900,16 +901,15 @@ function mob_class:do_env_damage()
 	if self.light_damage ~= 0 then
 
 		local light = minetest.get_node_light(pos) or 0
-
 		if light >= self.light_damage_min
 		and light <= self.light_damage_max then
-
 			self.health = self.health - self.light_damage
 			pos.y = pos.y + 0.75 -- for particle effect position
 			effect(pos, 5, "heart.png")
-			self.nametag = "Health: " .. self.health .. " / " .. self.hp_max
-			self:update_tag()
-
+			if show_health then
+				self.nametag = "Health: " .. self.health .. " / " .. self.hp_max
+				self:update_tag()
+			end
 			if self:check_for_death({type = "light"}) then return end
 		end
 	end
@@ -2707,22 +2707,6 @@ end
 -- only play hit sound and show blood effects if damage is 1 or over
 if damage >= 1 then
 
-	-- weapon sounds
-	--[[	if weapon_def.sounds then
-
-			local s = random(0, #weapon_def.sounds)
-
-			minetest.sound_play(weapon_def.sounds[s], {
-				object = self.object,
-			max_hear_distance = 8
-		})
-	else
-		minetest.sound_play("default_punch", {
-				object = self.object,
-			max_hear_distance = 5
-		})
-	end ]]
-
 		-- blood_particles
 		if not disable_blood and self.blood_amount > 0 then
 
@@ -3584,7 +3568,7 @@ function mobs:spawn(def)
 		def.neighbors or {"air"},
 		def.min_light or 0,
 		def.max_light or 15,
-		def.interval or 30,
+		def.interval or spawn_interval,
 		def.chance or 5000,
 		def.active_object_count or 1,
 		def.min_height or -31000,
@@ -4166,7 +4150,7 @@ function mobs:feed_tame(self, clicker, feed_count, breed, tame)
 			end
 
 			-- make sound when fed so many times
-			--self:mob_sound(self.sounds.random)
+			self:mob_sound(self.sounds.random)
 		end
 
 		return true