diff --git a/lang/de.json b/lang/de.json
index 2a365ce0..3e471bd0 100644
--- a/lang/de.json
+++ b/lang/de.json
@@ -457,18 +457,14 @@
 "greek_fire":"Griechisches_Feuer",
 "fireball":"Feuerball",
 "rocket":"Rakete",
-"sticky_bomb":"Klebrige_bombe",
 "cold_bomb":"Kalte_bombe",
 "hot_bomb":"Heiße_bombe",
-"electro_bomb":"Electrobombe",
-"water_bomb":"Wasserbombe",
 "antimatter_bomb":"Antimaterie bombe",
 "party_popper":"Party-Popper",
 "flashbang":"LichtKnall",
 "flash":"Lichtschnelle",
 "smoke_grenade":"Rauchgranate",
 "landmine":"Landmine",
-"cluster_bomb":"Streubomben",
 "armageddon":"Armageddon",
 "tesla_coil":"Tesla-Spule",
 "light_bulb":"Glühbirne",
diff --git a/lang/es.json b/lang/es.json
index b65d9e78..31123ab2 100644
--- a/lang/es.json
+++ b/lang/es.json
@@ -457,18 +457,14 @@
 "greek_fire":"",
 "fireball":"",
 "rocket":"",
-"sticky_bomb":"",
 "cold_bomb":"",
 "hot_bomb":"",
-"electro_bomb":"",
-"water_bomb":"",
 "antimatter_bomb":"",
 "party_popper":"",
 "flashbang":"",
 "flash":"",
 "smoke_grenade":"",
 "landmine":"",
-"cluster_bomb":"",
 "armageddon":"",
 "tesla_coil":"",
 "light_bulb":"",
diff --git a/lang/fr.json b/lang/fr.json
index 3a1f936d..e2d0d0af 100644
--- a/lang/fr.json
+++ b/lang/fr.json
@@ -457,18 +457,14 @@
 "greek_fire":"Feu grec",
 "fireball":"Boule de feu",
 "rocket":"Fusée",
-"sticky_bomb":"Bombe collante",
 "cold_bomb":"Bombe froide",
 "hot_bomb":"Bombe chaude",
-"electro_bomb":"Bombe électro",
-"water_bomb":"Bombe à eau",
 "antimatter_bomb":"Bombe antimatière",
 "party_popper":"Bombe de table",
 "flashbang":"Flashbang",
 "flash":"Éclair",
 "smoke_grenade":"Grenade fumigène",
 "landmine":"Mine terrestre",
-"cluster_bomb":"Bombe à fragmentation",
 "armageddon":"Armageddon",
 "tesla_coil":"Bobine Tesla",
 "light_bulb":"Ampoule",
diff --git a/lang/hu.json b/lang/hu.json
index 40e65a67..19ff0198 100644
--- a/lang/hu.json
+++ b/lang/hu.json
@@ -457,18 +457,14 @@
 "greek_fire":"görögtűz",
 "fireball":"tűzgolyó",
 "rocket":"rakéta",
-"sticky_bomb":"ragacsos_bomba",
 "cold_bomb":"hideg_bomba",
 "hot_bomb":"forró_bomba",
-"electro_bomb":"elektromos_bomba",
-"water_bomb":"vízi_bomba",
 "antimatter_bomb":"antianyag_bomba",
 "party_popper":"konfetti_durrancs",
 "flashbang":"villanógránát",
 "flash":"villanás",
 "smoke_grenade":"füstgránát",
 "landmine":"taposóakna",
-"cluster_bomb":"kazettás_bomba",
 "armageddon":"armageddon",
 "tesla_coil":"teszlatekercs",
 "light_bulb":"villanykörte",
diff --git a/lang/pl.json b/lang/pl.json
index 24b86d2c..3fa1ec65 100644
--- a/lang/pl.json
+++ b/lang/pl.json
@@ -457,18 +457,14 @@
 "greek_fire":"ogień_grecki",
 "fireball":"kula_ognia",
 "rocket":"rakieta",
-"sticky_bomb":"klejąca_bomba",
 "cold_bomb":"zimna_bomba",
 "hot_bomb":"gorąca_bomba",
-"electro_bomb":"elektro_bomba",
-"water_bomb":"bomba_wodna",
 "antimatter_bomb":"bomba_antymateryjna",
 "party_popper":"pukawka",
 "flashbang":"flashbang",
 "flash":"błysk",
 "smoke_grenade":"granat_dymny",
 "landmine":"mina",
-"cluster_bomb":"bomba_kasetowa",
 "armageddon":"armagedon",
 "tesla_coil":"cewka_tesli",
 "light_bulb":"żarówka",
diff --git a/lang/pt_br.json b/lang/pt_br.json
index 1e7a509c..4e3e6ffa 100644
--- a/lang/pt_br.json
+++ b/lang/pt_br.json
@@ -457,18 +457,14 @@
 "greek_fire":"fogo_grego",
 "fireball":"bola_de_fogo",
 "rocket":"foguete",
-"sticky_bomb":"bomba_pegajosa",
 "cold_bomb":"bomba_fria",
 "hot_bomb":"bomba_quente",
-"electro_bomb":"bomba_electro",
-"water_bomb":"bomba_de_água",
 "antimatter_bomb":"bomba_antimateria",
 "party_popper":"popper_de_festa",
 "flashbang":"granada_de_luz",
 "flash":"flash",
 "smoke_grenade":"grenada_de_fumaça",
 "landmine":"mina_terrestre",
-"cluster_bomb":"bomba_coletiva",
 "armageddon":"armagedom",
 "tesla_coil":"bobina_de_tesla",
 "light_bulb":"lampada",
diff --git a/lang/ru.json b/lang/ru.json
index e1492094..63134399 100644
--- a/lang/ru.json
+++ b/lang/ru.json
@@ -457,18 +457,14 @@
 "greek_fire":"",
 "fireball":"",
 "rocket":"",
-"sticky_bomb":"",
 "cold_bomb":"",
 "hot_bomb":"",
-"electro_bomb":"",
-"water_bomb":"",
 "antimatter_bomb":"",
 "party_popper":"",
 "flashbang":"",
 "flash":"",
 "smoke_grenade":"дымовая граната",
 "landmine":"мина",
-"cluster_bomb":"кластерная бомба",
 "armageddon":"",
 "tesla_coil":"",
 "light_bulb":"",
diff --git a/lang/template.json b/lang/template.json
index 933aac39..0d5eb96e 100644
--- a/lang/template.json
+++ b/lang/template.json
@@ -457,18 +457,14 @@
 "greek_fire": "",
 "fireball": "",
 "rocket": "",
-"sticky_bomb": "",
 "cold_bomb": "",
 "hot_bomb": "",
-"electro_bomb": "",
-"water_bomb": "",
 "antimatter_bomb": "",
 "party_popper": "",
 "flashbang": "",
 "flash": "",
 "smoke_grenade": "",
 "landmine": "",
-"cluster_bomb": "",
 "armageddon": "",
 "tesla_coil": "",
 "light_bulb": "",
diff --git a/lang/tok.json b/lang/tok.json
index fe6b9257..48904d58 100644
--- a/lang/tok.json
+++ b/lang/tok.json
@@ -146,10 +146,10 @@
 "sawdust":"",
 "hail":"",
 "hydrogen":"kon_pi_tawa_kon_mute",
-"oxygen":"kon_pi_wile_soweli_ale",
+"oxygen":"kon_pi_suli_tawa_soweli_ale",
 "nitrogen":"",
-"helium":"",
-"anesthesia":"",
+"helium":"kon_pi_tawa_kon",
+"anesthesia":"kon_lape",
 "ammonia":"",
 "liquid_ammonia":"",
 "carbon_dioxide":"kon_pi_tan_soweli_ale",
@@ -161,7 +161,7 @@
 "stained_glass":"",
 "molten_stained_glass":"",
 "art":"",
-"rainbow":"",
+"rainbow":"kiwen_pi_kule_mute",
 "static":"",
 "border":"poka",
 "clay":"",
@@ -257,10 +257,10 @@
 "molten_tin":"",
 "molten_lead":"",
 "molten_solder":"",
-"juice":"",
-"juice_ice":"",
+"juice":"telo_kili",
+"juice_ice":"kiwen_lete_pi_telo_kili",
 "broth":"",
-"milk":"",
+"milk":"telo_walo_pi_soweli_walo_pimeja",
 "chocolate_milk":"",
 "fruit_milk":"",
 "pilk":"",
@@ -276,13 +276,13 @@
 "cheese":"",
 "rotten_cheese":"",
 "chocolate":"",
-"grape":"",
+"grape":"kili_suwi_pi_laso_loje",
 "vinegar":"",
 "herb":"kasi_moku_lili",
 "lettuce":"",
 "pickle":"",
-"tomato":"",
-"sauce":"",
+"tomato":"kili_pi_suli_loje",
+"sauce":"telo_pi_kili_loje",
 "pumpkin":"",
 "pumpkin_seed":"",
 "corn":"",
@@ -424,7 +424,7 @@
 "confetti":"",
 "glitter":"",
 "bead":"",
-"color_sand":"",
+"color_sand":"ko_pi_kule_mute",
 "borax":"",
 "epsom_salt":"",
 "potassium_salt":"",
@@ -457,18 +457,14 @@
 "greek_fire":"",
 "fireball":"",
 "rocket":"",
-"sticky_bomb":"",
 "cold_bomb":"",
 "hot_bomb":"",
-"electro_bomb":"",
-"water_bomb":"",
 "antimatter_bomb":"",
 "party_popper":"",
 "flashbang":"",
 "flash":"suno_lili",
 "smoke_grenade":"",
 "landmine":"",
-"cluster_bomb":"",
 "armageddon":"",
 "tesla_coil":"",
 "light_bulb":"",
@@ -544,4 +540,4 @@
 "blaster": "",
 "propane_ice": "",
 "molten_caustic_potash": ""
-}
\ No newline at end of file
+}
diff --git a/lang/uk.json b/lang/uk.json
index e0469a47..85af6e33 100644
--- a/lang/uk.json
+++ b/lang/uk.json
@@ -457,18 +457,14 @@
 "greek_fire":"",
 "fireball":"",
 "rocket":"",
-"sticky_bomb":"",
 "cold_bomb":"",
 "hot_bomb":"",
-"electro_bomb":"",
-"water_bomb":"",
 "antimatter_bomb":"",
 "party_popper":"",
 "flashbang":"",
 "flash":"",
 "smoke_grenade":"",
 "landmine":"",
-"cluster_bomb":"",
 "armageddon":"",
 "tesla_coil":"",
 "light_bulb":"",
diff --git a/lang/vi.json b/lang/vi.json
index 2e7dc1f6..1afe1c5b 100644
--- a/lang/vi.json
+++ b/lang/vi.json
@@ -458,18 +458,14 @@
 "greek_fire": "Lửa Hi Lạp",
 "fireball": "Cầu lửa",
 "rocket": "Tên lửa",
-"sticky_bomb": "Bom dính",
 "cold_bomb": "Bom lạnh",
 "hot_bomb": "Bom nóng",
-"electro_bomb": "Bom điện",
-"water_bomb": "Bom nước ",
 "antimatter_bomb": "Bom phản vật chất",
 "party_popper": "Pháo giấy",
 "flashbang": "Bom choáng ",
 "flash": "Chóp sáng",
 "smoke_grenade": "Lựu đạn khói",
 "landmine": "Mìn",
-"cluster_bomb": "Bom cụm",
 "armageddon": "Tận thế",
 "tesla_coil": "Cuộn tesla",
 "light_bulb": "Bóng đèn",
diff --git a/lang/zh_cn.json b/lang/zh_cn.json
index 45c363d8..8d9f23bd 100644
--- a/lang/zh_cn.json
+++ b/lang/zh_cn.json
@@ -40,17 +40,17 @@
 "dead_plant":"死植物",
 "frozen_plant":"冰植物",
 "grass":"草",
-"algae":"",
-"concrete":"",
+"algae":"藻类",
+"concrete":"混凝土",
 "wall":"墙",
 "fire":"火",
 "bomb":"炸弹",
 "steam":"争气",
 "ice":"冰",
-"rime":"",
+"rime":"雾凇",
 "snow":"雪",
 "slush":"冰水",
-"packed_snow":"",
+"packed_snow":"积雪",
 "wood":"木",
 "smoke":"烟",
 "magma":"岩浆",
@@ -70,20 +70,20 @@
 "flour":"面粉",
 "wire":"电线",
 "battery":"电瓶",
-"cloner":"",
-"sensor":"",
-"heater":"",
-"cooler":"",
+"cloner":"克隆机",
+"sensor":"感受器",
+"heater":"热机",
+"cooler":"冷机",
 "random":"乱",
 "image":"图片",
-"unpaint":"",
-"uncharge":"",
-"unburn":"",
+"unpaint":"取消画",
+"uncharge":"取消电",
+"unburn":"取消烧",
 "smash":"砸",
-"filler":"",
+"filler":"填料",
 "lattice":"格子",
-"gravel":"lishlish",
-"slime":"",
+"gravel":"碎石",
+"slime":"粘液",
 "cement":"水泥",
 "dust":"灰尘",
 "void":"太虚",
@@ -91,7 +91,7 @@
 "cell":"细胞",
 "cancer":"癌",
 "dna":"DNA",
-"plague":"",
+"plague":"瘟疫",
 "worm":"蚯蚓",
 "frozen_worm":"冰蚯蚓",
 "flea":"跳蚤",
@@ -99,10 +99,10 @@
 "ant":"蚂蚁",
 "fly":"苍蝇",
 "firefly":"荧光虫",
-"hive":"",
+"hive":"蜜蜂窝",
 "bee":"蜜蜂",
-"stink_bug":"",
-"dead_bug":"",
+"stink_bug":"臭虫",
+"dead_bug":"死虫",
 "human":"人",
 "body":"生体",
 "head":"头",
@@ -113,11 +113,11 @@
 "tadpole":"蝌蚪",
 "fish":"鱼",
 "frozen_fish":"冰鱼",
-"slug":"",
+"slug":"蛞蝓",
 "snail":"蜗牛",
-"burner":"",
-"superheater":"",
-"freezer":"",
+"burner":"燃烧机",
+"superheater":"过热机",
+"freezer":"冷冻机",
 "pipe":"管",
 "pipe_wall":"管墙",
 "ewall":"电墙",
@@ -138,47 +138,47 @@
 "molten_ash":"熔融灰",
 "light":"光",
 "liquid_light":"夜光",
-"laser":"",
+"laser":"雷射",
 "ball":"圆圈",
-"pointer":"",
-"charcoal":"",
-"tinder":"",
-"sawdust":"",
-"hail":"",
+"pointer":"指针",
+"charcoal":"木炭",
+"tinder":"木材",
+"sawdust":"锯末",
+"hail":"冰雹",
 "hydrogen":"氢气",
 "oxygen":"氧气",
 "nitrogen":"氮气",
 "helium":"氦气",
-"anesthesia":"",
+"anesthesia":"麻醉",
 "ammonia":"氨气",
 "liquid_ammonia":"氨气液体",
-"carbon_dioxide":"",
+"carbon_dioxide":"二氧化碳",
 "oil":"油",
-"lamp_oil":"",
-"propane":"",
-"methane":"",
-"liquid_methane":"",
-"stained_glass":"",
-"molten_stained_glass":"",
-"art":"",
+"lamp_oil":"灯油",
+"propane":"丙烷",
+"methane":"甲烷",
+"liquid_methane":"液甲烷",
+"stained_glass":"彩色玻璃",
+"molten_stained_glass":"熔彩色玻璃",
+"art":"艺术",
 "rainbow":"彩虹",
-"static":"",
-"border":"",
+"static":"電干扰",
+"border":"边",
 "clay":"泥土",
 "clay_soil":"壤土",
 "brick":"砖",
-"ruins":"",
+"ruins":"废墟",
 "porcelain":"瓷",
-"sapling":"",
-"pinecone":"",
-"evergreen":"",
-"cactus":"",
+"sapling":"树苗",
+"pinecone":"松果",
+"evergreen":"松树",
+"cactus":"仙人掌",
 "seeds":"种子",
 "grass_seed":"草种子",
-"wheat_seed":"",
+"wheat_seed":"麦种子",
 "straw":"干草",
 "paper":"纸",
-"pollen":"",
+"pollen":"花粉",
 "flower_seed":"",
 "pistil":"",
 "petal":"",
@@ -258,23 +258,23 @@
 "molten_lead":"",
 "molten_solder":"",
 "juice":"果汁",
-"juice_ice":"",
+"juice_ice":"果汁冰",
 "broth":"汤",
 "milk":"牛奶",
 "chocolate_milk":"巧克力牛奶",
-"fruit_milk":"",
-"pilk":"",
+"fruit_milk":"水果牛奶",
+"pilk":"气水牛奶",
 "eggnog":"蛋奶",
 "egg":"蛋",
 "yolk":"蛋黄",
 "hard_yolk":"硬蛋黄",
-"nut_milk":"",
-"dough":"",
-"batter":"",
-"homunculus":"",
+"nut_milk":"坚果奶",
+"dough":"面团",
+"batter":"面糊",
+"homunculus":"何蒙库鲁兹",
 "butter":"牛油",
 "cheese":"芝士",
-"rotten_cheese":"",
+"rotten_cheese":"腐烂芝士",
 "chocolate":"巧克力",
 "grape":"葡萄",
 "vinegar":"醋",
@@ -308,13 +308,13 @@
 "nut_meat":"",
 "nut_butter":"",
 "jelly":"布丁",
-"baking_soda":"",
+"baking_soda":"苏打粉",
 "yogurt":"",
 "frozen_yogurt":"",
 "ice_cream":"冰淇凌",
 "cream":"奶油",
 "beans":"豆子",
-"dry_ice":"",
+"dry_ice":"干冰",
 "nitrogen_ice":"",
 "particleboard":"皮肤",
 "skin":"皮肤",
@@ -374,7 +374,7 @@
 "smog":"",
 "stench":"",
 "liquid_stench":"",
-"fragrance":"",
+"fragrance":"香水",
 "perfume":"香水",
 "cyanide":"",
 "cyanide_gas":"",
@@ -408,7 +408,7 @@
 "electric":"电",
 "uranium":"",
 "molten_uranium":"",
-"diamond":"",
+"diamond":"钻石",
 "gold_coin":"硬币",
 "rust":"",
 "oxidized_copper":"",
@@ -457,18 +457,14 @@
 "greek_fire":"",
 "fireball":"",
 "rocket":"",
-"sticky_bomb":"粘炸弹",
 "cold_bomb":"冷炸弹",
 "hot_bomb":"热炸弹",
-"electro_bomb":"电炸弹",
-"water_bomb":"水炸弹",
 "antimatter_bomb":"",
 "party_popper":"",
 "flashbang":"光榴弹",
 "flash":"",
 "smoke_grenade":"烟榴弹",
 "landmine":"",
-"cluster_bomb":"",
 "armageddon":"",
 "tesla_coil":"",
 "light_bulb":"灯泡",
@@ -508,7 +504,7 @@
 "broth_ice":"",
 "frozen_vinegar":"",
 "sauce_ice":"",
-"alcohol_ice":"",
+"alcohol_ice":"酒冰",
 "bleach_ice":"",
 "chlorine_ice":"",
 "frozen_ink":"",
@@ -538,10 +534,10 @@
 "sandstorm": "",
 "caustic_potash": "",
 "antibomb": "",
-"tornado": "",
-"earthquake": "",
-"tsunami": "",
+"tornado": "龙卷风",
+"earthquake": "地震",
+"tsunami": "海啸",
 "blaster": "",
 "propane_ice": "",
 "molten_caustic_potash": ""
-}
\ No newline at end of file
+}
diff --git a/lang/zh_hant.json b/lang/zh_hant.json
index 0b89f9fb..60f85a5a 100644
--- a/lang/zh_hant.json
+++ b/lang/zh_hant.json
@@ -457,18 +457,14 @@
 "greek_fire":"希臘火",
 "fireball":"火球",
 "rocket":"火箭",
-"sticky_bomb":"粘炸彈",
 "cold_bomb":"冷炸彈",
 "hot_bomb":"熱炸彈",
-"electro_bomb":"電炸彈",
-"water_bomb":"水炸彈",
 "antimatter_bomb":"反物質炸彈",
 "party_popper":"紙屑炸彈",
 "flashbang":"閃光彈",
 "flash":"閃光",
 "smoke_grenade":"煙炸藥",
 "landmine":"地雷",
-"cluster_bomb":"集束炸彈",
 "armageddon":"世界末日",
 "tesla_coil":"特斯拉線圈",
 "light_bulb":"電燈",
diff --git a/mod-list.html b/mod-list.html
index 370e1e15..08c15a6e 100644
--- a/mod-list.html
+++ b/mod-list.html
@@ -135,6 +135,7 @@
 <tr><td>extra_element_info.js</td><td>Adds descriptions to various vanilla elements. Used to provide the functionality that desc now does before it was added to vanilla</td><td>Melecie</td></tr>
 <tr><td>find.js</td><td>Adds a find mode that highlights a chosen element as pulsating red and yellow <a href="https://github.com/R74nCom/sandboxels/commit/de0dc088ab4d928c77587b9d0e3a7d7663e3f94a">(read commit description)</a></td><td>Alice</td></tr>
 <tr><td>insane_random_events.js</td><td>Massively buffs random events</td><td>Alice</td></tr>
+<tr><td>invertscroll.js</td><td>Inverts the scroll wheel for adjusting brush size</td><td>SquareScreamYT</td></tr>
 <tr><td>moretools.js</td><td>Adds more temperature-modifying tools (±10/tick, ±50/tick, and absolute zero tools)</td><td>Sightnado</td></tr>
 <tr><td>move_tools.js</td><td>Adds tools that move pixels</td><td>Alice</td></tr>
 <tr><td>noconfirm.js</td><td>Removes all confirmation pop ups</td><td>mollthecoder</td></tr>
diff --git a/mods/citybuilding.js b/mods/citybuilding.js
index e99a655a..e3f7fac9 100644
--- a/mods/citybuilding.js
+++ b/mods/citybuilding.js
@@ -1,3 +1,6 @@
+// created by sqec
+// coming soon: apartments, small houses
+
 function building_1_segment() {
     if (pixel.foundation = true && pixel.height < pixel.limit) {
         if (isEmpty(pixel.x+1,pixel.y-pixel.height) &&
@@ -24,6 +27,25 @@ function building_1_segment() {
         }
     }
 }
+function clearbase3x5() {
+    if (pixel.clearbase = false && pixel.height < pixel.limit) {
+        pixel.clearbase = true
+        deletePixel(pixel.x-1,pixel.y)
+        deletePixel(pixel.x+1,pixel.y)
+        deletePixel(pixel.x-2,pixel.y)
+        deletePixel(pixel.x+2,pixel.y)
+        deletePixel(pixel.x,pixel.y-1)
+        deletePixel(pixel.x-1,pixel.y-1)
+        deletePixel(pixel.x+1,pixel.y-1)
+        deletePixel(pixel.x-2,pixel.y-1)
+        deletePixel(pixel.x+2,pixel.y-1)
+        deletePixel(pixel.x,pixel.y-2)
+        deletePixel(pixel.x-1,pixel.y-2)
+        deletePixel(pixel.x+1,pixel.y-2)
+        deletePixel(pixel.x-2,pixel.y-2)
+        deletePixel(pixel.x+2,pixel.y-2)
+    }
+}
 function filldirt2x5() {
     var dirtPixelElem = pixelMap[pixel.x][pixel.y+1];
     if (!isEmpty(pixel.x,pixel.y+1) && !outOfBounds(pixel.x,pixel.y+1)) {
@@ -47,11 +69,21 @@ function filldirt2x5() {
     if (isEmpty(pixel.x-2,pixel.y+2)) {
         createPixel(dirtPixelElem,pixel.x-2,pixel.y+2);
     }
+    if (isEmpty(pixel.x+1,pixel.y+2)) {
+        createPixel(dirtPixelElem,pixel.x+2,pixel.y+2);
+    }
+    if (isEmpty(pixel.x-1,pixel.y+2)) {
+        createPixel(dirtPixelElem,pixel.x-2,pixel.y+2);
+    }
+    if (isEmpty(pixel.x,pixel.y+2)) {
+        createPixel(dirtPixelElem,pixel.x-2,pixel.y+2);
+    }
 }
 elements.building_1 = {
-    color: "#a78d38",
+    color: "#ffc800",
     tick: function(pixel) {
         if (!isEmpty(pixel.x,pixel.y+1)) {
+            clearbase3x5();
             if (isEmpty(pixel.x+1,pixel.y) &&
             isEmpty(pixel.x-1,pixel.y) &&
             isEmpty(pixel.x+2,pixel.y) &&
@@ -73,7 +105,7 @@ elements.building_1 = {
                 createPixel("concrete",pixel.x+2,pixel.y+1);
                 createPixel("concrete",pixel.x-2,pixel.y+1);
                 createPixel("wood",pixel.x,pixel.y+1);
-                pixel.limit = 10 + Math.floor(Math.random() * 5)*2;
+                pixel.limit = 5 + Math.floor(Math.random() * 25)*2;
                 createPixel("concrete",pixel.x+1,pixel.y);
                 createPixel("concrete",pixel.x-1,pixel.y);
                 createPixel("concrete",pixel.x+2,pixel.y);
@@ -93,81 +125,19 @@ elements.building_1 = {
         else if (pixel.foundation == true && pixel.height >= pixel.limit) {
             pixel.built = true;
         }
-        if (pixel.built == true) {
+        if (pixel.built == true || pixel.age > 100) {
             changePixel(pixel,"wood");
         }
+        pixel.age++
         doDefaults(pixel);
     },
     properties: {
         height:0,
         limit:0,
         foundation:false,
-        built:false
-    },
-    category: "citybuilding",
-    state: "solid",
-    density: 1500,
-    cooldown: defaultCooldown,
-    seed: true,
-    maxSize: 1,
-    excludeRandom: true,
-    behavior: behaviors.STURDYPOWDER,
-};
-elements.building_1_tall = {
-    color: "#d9c243",
-    tick: function(pixel) {
-        if (!isEmpty(pixel.x,pixel.y+1)) {
-            if (isEmpty(pixel.x+1,pixel.y) &&
-            isEmpty(pixel.x-1,pixel.y) &&
-            isEmpty(pixel.x+2,pixel.y) &&
-            isEmpty(pixel.x-2,pixel.y) &&
-            isEmpty(pixel.x+2,pixel.y-1) &&
-            isEmpty(pixel.x-2,pixel.y-1) &&
-            isEmpty(pixel.x+1,pixel.y-1) &&
-            isEmpty(pixel.x-1,pixel.y-1) &&
-            isEmpty(pixel.x,pixel.y-1) &&
-            isEmpty(pixel.x+2,pixel.y-2) &&
-            isEmpty(pixel.x-2,pixel.y-2) &&
-            isEmpty(pixel.x+1,pixel.y-2) &&
-            isEmpty(pixel.x-1,pixel.y-2) &&
-            isEmpty(pixel.x,pixel.y-2)) {
-                filldirt2x5();
-                movePixel(pixel,pixel.x,pixel.y-1);
-                createPixel("concrete",pixel.x+1,pixel.y+1);
-                createPixel("concrete",pixel.x-1,pixel.y+1);
-                createPixel("concrete",pixel.x+2,pixel.y+1);
-                createPixel("concrete",pixel.x-2,pixel.y+1);
-                createPixel("wood",pixel.x,pixel.y+1);
-                pixel.limit = 15 + Math.floor(Math.random() * 10)*2;
-                createPixel("concrete",pixel.x+1,pixel.y);
-                createPixel("concrete",pixel.x-1,pixel.y);
-                createPixel("concrete",pixel.x+2,pixel.y);
-                createPixel("concrete",pixel.x-2,pixel.y);
-                createPixel("concrete",pixel.x+1,pixel.y-1);
-                createPixel("concrete",pixel.x-1,pixel.y-1);
-                createPixel("concrete",pixel.x+2,pixel.y-1);
-                createPixel("concrete",pixel.x-2,pixel.y-1);
-                createPixel("concrete",pixel.x,pixel.y-1);
-                pixel.foundation = true;
-                pixel.height = pixel.height+2
-            }
-        }
-        if (pixel.foundation == true && pixel.height < pixel.limit) {
-            building_1_segment();
-        }
-        else if (pixel.foundation == true && pixel.height >= pixel.limit) {
-            pixel.built = true;
-        }
-        if (pixel.built == true) {
-            changePixel(pixel,"wood");
-        }
-        doDefaults(pixel);
-    },
-    properties: {
-        height:0,
-        limit:0,
-        foundation:false,
-        built:false
+        built:false,
+        clearbase:false,
+        age:0
     },
     category: "citybuilding",
     state: "solid",
@@ -203,8 +173,15 @@ elements.small_tree_1 = {
                 changePixel(pixel,"wood");
             }
         }
+        if (pixel.age > 50) {
+            changePixel(pixel,"wood");
+        }
+        pixel.age++
         doDefaults(pixel);
     },
+    properties: {
+        age:0
+    },
     category: "citybuilding",
     state: "solid",
     density: 1500,
diff --git a/mods/invertscroll.js b/mods/invertscroll.js
new file mode 100644
index 00000000..ee426b90
--- /dev/null
+++ b/mods/invertscroll.js
@@ -0,0 +1,8 @@
+runAfterLoad(function() {
+    if (navigator.platform.toUpperCase().indexOf('MAC')>=0) {
+        settings.invertscroll = false;
+    }
+    else {
+        settings.invertscroll = true;
+    }
+})
diff --git a/purple_guys_mod.js b/mods/purple_guys_mod.js
similarity index 100%
rename from purple_guys_mod.js
rename to mods/purple_guys_mod.js