diff --git a/lang/tok.json b/lang/tok.json
index e1996537..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":"",
@@ -540,4 +540,4 @@
 "blaster": "",
 "propane_ice": "",
 "molten_caustic_potash": ""
-}
\ No newline at end of file
+}
diff --git a/lang/zh_cn.json b/lang/zh_cn.json
index 5ae22f25..8d9f23bd 100644
--- a/lang/zh_cn.json
+++ b/lang/zh_cn.json
@@ -540,4 +540,4 @@
 "blaster": "",
 "propane_ice": "",
 "molten_caustic_potash": ""
-}
\ No newline at end of file
+}
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;
+    }
+})