diff --git a/mods/Quicksand_one.js b/mods/Quicksand_one.js
new file mode 100644
index 00000000..01659cc1
--- /dev/null
+++ b/mods/Quicksand_one.js
@@ -0,0 +1,517 @@
+
+elements.peat_bog = {
+      color: "#483C32",
+      behavior: elements.slime.behavior,
+      viscosity: 10000,
+      tempHigh: 55,
+      stateHigh: "liquid",
+      tempLow: 0,
+      category: "liquids",
+      state: "liquid",
+      density: 1200,
+      stain: 0.2
+};
+elements.marsh_muck = {
+      color: "#6B8E23",
+      behavior: elements.slime.behavior,
+      viscosity: 10000,
+      tempHigh: 50,
+      stateHigh: "liquid",
+      tempLow: 0,
+      category: "liquids",
+      state: "liquid",
+      density: 1000,
+      stain: 0.25
+};
+elements.quagmire = {
+      color: "#8B4513",
+      behavior: elements.slime.behavior,
+      viscosity: 10000,
+      tempHigh: 60,
+      stateHigh: "liquid",
+      tempLow: 0,
+      category: "liquids",
+      state: "liquid",
+      density: 1000,
+      stain: 0.3
+};
+elements.slime_mold = {
+      color: "#00FF00",
+      behavior: elements.slime.behavior,
+      viscosity: 10000,
+      tempHigh: 30,
+      stateHigh: "liquid",
+      tempLow: 0,
+      category: "liquids",
+      state: "liquid",
+      density: 1000,
+      stain: 0.2
+};
+elements.mangrove_mud = {
+      color: "#8B4513",
+      behavior: elements.slime.behavior,
+      viscosity: 10000,
+      tempHigh: 55,
+      stateHigh: "liquid",
+      tempLow: 0,
+      category: "liquids",
+      state: "liquid",
+      density: 1089,
+      stain: 0.25
+};
+peat_slurry = {
+      color: "#556B2F",
+      behavior: elements.slime.behavior,
+      viscosity: 10000,
+      tempHigh: 50,
+      stateHigh: "liquid",
+      tempLow: 0,
+      category: "liquids",
+      state: "liquid",
+      density: 1452,
+      stain: 0.28
+};
+elements.bog_ooze = {
+      color: "#2E8B57",
+      behavior:elements.slime.behavior,
+      viscosity: 10000,
+      tempHigh: 100,
+      stateHigh: "liquid",
+      tempLow: 0,
+      category: "liquids",
+      state: "liquid",
+      density: 1350,
+      stain: 0.3
+};
+elements.fen_mud = {
+      color: "#556B2F",
+      behavior: elements.slime.behavior,
+      viscosity: 10000,
+      tempHigh: 100,
+      stateHigh: "liquid",
+      tempLow: 0,
+      category: "liquids",
+      state: "liquid",
+      density: 1550,
+      stain: 0.28
+};
+elements.swamp_sludge = {
+      color: "#6B8E23",
+      behavior: elements.slime.behavior,
+      viscosity: 10000,
+      tempHigh: 52,
+      stateHigh: "liquid",
+      tempLow: 0,
+      category: "liquids",
+      state: "liquid",
+      density: 1450,
+      stain: 0.25
+};
+elements.marsh_slime = {
+      color: "#00FF00",
+      behavior: elements.slime.behavior,
+      viscosity: 10000,
+      tempHigh: 32,
+      stateHigh: "liquid",
+      tempLow: 0,
+      category: "liquids",
+      state: "liquid",
+      density: 1050,
+      stain: 0.16
+};
+elements.peat_paste = {
+      color: "#8B4513",
+      behavior: elements.slime.behavior,
+      viscosity: 10000,
+      tempHigh: 57,
+      stateHigh: "liquid",
+      tempLow: 0,
+      category: "liquids",
+      state: "liquid",
+      density: 1600,
+      stain: 0.1
+};
+elements.mudflat_mud = {
+      color: "#8B4513",
+      behavior: elements.slime.behavior,
+      viscosity: 10000,
+      tempHigh: 60,
+      stateHigh: "liquid",
+      tempLow: 0,
+      category: "liquids",
+      state: "liquid",
+      density: 1700,
+      stain: 0.25
+};
+elements.swamp_ooze = {
+      color: "#556B2F",
+      behavior: elements.slime.behavior,
+      viscosity: 10000,
+      tempHigh: 54,
+      stateHigh: "liquid",
+      tempLow: 0,
+      category: "liquids",
+      state: "liquid",
+      density: 1400,
+      stain: 0.20
+};
+elements.peat_pudding = {
+      color: "#8B4513",
+      behavior: elements.sap.behavior,
+      viscosity: 10000,
+      tempHigh: 58,
+      stateHigh: "liquid",
+      tempLow: 0,
+      category: "liquids",
+      state: "liquid",
+      density: 1600,
+      stain: 0.21
+};
+elements.mudflow = {
+      color: "#8B4513",
+      behavior: elements.slime.behavior,
+      viscosity: 10000,
+      tempHigh: 60,
+      stateHigh: "liquid",
+      tempLow: 0,
+      category: "liquids",
+      state: "liquid",
+      density: 1700,
+      stain: 0.2
+};
+elements.marsh_mire = {
+      color: "#6B8E23",
+      behavior: elements.slime.behavior,
+      viscosity: 10000,
+      tempHigh: 55,
+      stateHigh: "liquid",
+      tempLow: 0,
+      category: "liquids",
+      state: "liquid",
+      density: 1500,
+      stain: 0.12
+};
+elements.moor = {
+      color: "#556B2F",
+      behavior: elements.slime.behavior,
+      viscosity: 10000,
+      tempHigh: 57,
+      stateHigh: "liquid",
+      tempLow: 0,
+      category: "liquids",
+      state: "liquid",
+      density: 1600,
+      stain: 0.18
+};
+elements.quicksand_fen = {
+      color: "#DAA520",
+      behavior: elements.slime.behavior,
+      viscosity: 10000,
+      tempHigh: 62,
+      stateHigh: "liquid",
+      tempLow: 0,
+      category: "liquids",
+      state: "liquid",
+      density: 1550,
+      stain: 0.15
+};
+elements.marsh_mudslide = {
+      color: "#8B4513",
+      behavior: elements.slime.behavior,
+      viscosity: 10000,
+      tempHigh: 58,
+      stateHigh: "liquid",
+      tempLow: 0,
+      category: "liquids",
+      state: "liquid",
+      density: 1600,
+      stain: 0.1
+};
+elements.swamp_slime = {
+      color: "#00FF00",
+      behavior: elements.slime.behavior,
+      viscosity: 10000,
+      tempHigh: 35,
+      stateHigh: "liquid",
+      tempLow: 0,
+      category: "liquids",
+      state: "liquid",
+      density: 1100,
+      stain: 0.15
+};
+elements.mire_mud = {
+      color: "#8B4513",
+      behavior: elements.slime.behavior,
+      viscosity: 10000,
+      tempHigh: 60,
+      stateHigh: "liquid",
+      tempLow: 0,
+      category: "liquids",
+      state: "liquid",
+      density: 1700,
+      stain: 0.17
+};
+elements.peat_quicksand = {
+      color: "#DAA520",
+      behavior: elements.slime.behavior,
+      viscosity: 10000,
+      tempHigh: 65,
+      stateHigh: "liquid",
+      tempLow: 0,
+      category: "liquids",
+      state: "liquid",
+      density: 1800,
+      stain: 0.15
+};
+elements.dense_quicksand = {
+    color: "#DAA520",
+    behavior: elements.slime.behavior,
+    viscosity: 1000,
+    tempHigh: 65,
+    stateHigh: "liquid",
+    tempLow: 0,
+    category: "liquids",
+    state: "liquid",
+    density: 1900,
+    stain: 0.2
+};
+elements.swamp_mud = {
+    color: "#8B4513",
+    behavior: elements.slime.behavior,
+    viscosity: 1000,
+    tempHigh: 60,
+    stateHigh: "liquid",
+    tempLow: 0,
+    category: "liquids",
+    state: "liquid",
+    density: 1700,
+    stain: 0.25
+};
+elements.wet_mud = {
+    color: "#8B4513",
+    behavior: elements.slime.behavior,
+    viscosity: 1200,
+    tempHigh: 55,
+    stateHigh: "liquid",
+    tempLow: 0,
+    category: "liquids",
+    state: "liquid",
+    density: 1600,
+    stain: 0.3
+};
+elements.wet_quicksand = {
+    color: "#DAA520",
+    behavior: elements.slime.behavior,
+    viscosity: 700,
+    tempHigh: 70,
+    stateHigh: "liquid",
+    tempLow: 0,
+    category: "liquids",
+    state: "liquid",
+    density: 1080,
+    stain: 0.25
+};
+elements.slimy_mud = {
+    color: "#008000",
+    behavior: elements.slime.behavior,
+    viscosity: 900,
+    tempHigh: 55,
+    stateHigh: "liquid",
+    tempLow: 0,
+    category: "liquids",
+    state: "liquid",
+    density: 1550,
+    stain: 0.3
+};
+elements.sticky_mud = {
+    color: "#8B4513",
+    behavior: elements.slime.behavior,
+    viscosity: 1100,
+    tempHigh: 58,
+    stateHigh: "liquid",
+    tempLow: 0,
+    category: "liquids",
+    state: "liquid",
+    density: 1321,
+    stain: 0.25
+};
+elements.sloppy_mud = {
+    color: "#8B4513",
+    behavior: elements.slime.behavior,
+    viscosity: 1000,
+    tempHigh: 60,
+    stateHigh: "liquid",
+    tempLow: 0,
+    category: "liquids",
+    state: "liquid",
+    density: 1700,
+    stain: 0.3
+};
+elements.thick_mud = {
+    color: "#8B4513",
+    behavior: elements.slime.behavior,
+    viscosity: 1300,
+    tempHigh: 50,
+    stateHigh: "liquid",
+    tempLow: 0,
+    category: "liquids",
+    state: "liquid",
+    density: 1800,
+    stain: 0.35
+};
+elements.gloopy_mud = {
+    color: "#8B4513",
+    behavior: elements.slime.behavior,
+    viscosit: 1950,
+    tempHigh: 56,
+    stateHigh: "liquid",
+    tempLow: 0,
+    category: "liquids",
+    state: "liquid",
+    density: 1000,
+    stain: 0.28
+};
+elements.squelchy_mud = {
+    color: "#8B4513",
+    behavior: elements.slime.behavior,
+    viscosity: 1050,
+    tempHigh: 58,
+    stateHigh: "liquid",
+    tempLow: 0,
+    category: "liquids",
+    state: "liquid",
+    density: 1050,
+    stain: 0.3
+};
+elements.mucky_mud = {
+    color: "#8B4513",
+    behavior: elements.slime.behavior,
+    viscosity: 950,
+    tempHigh: 57,
+    stateHigh: "liquid",
+    tempLow: 0,
+    category: "liquids",
+    state: "liquid",
+    density: 1200,
+    stain: 0.28
+};
+elements.soggy_mud = {
+    color: "#8B4513",
+    behavior: elements.slime.behavior,
+    viscosity: 1050,
+    tempHigh: 58,
+    stateHigh: "liquid",
+    tempLow: 0,
+    category: "liquids",
+    state: "liquid",
+    density: 1090,
+    stain: 0.3
+};
+elements.gunky_mud = {
+    color: "#8B4513",
+    behavior: elements.slime.behavior,
+    viscosity: 900,
+    tempHigh: 55,
+    stateHigh: "liquid",
+    tempLow: 0,
+    category: "liquids",
+    state: "liquid",
+    density: 1550,
+    stain: 0.28
+};
+elements.oozy_mud = {
+    color: "#8B4513",
+    behavior: elements.slime.behavior,
+    viscosity: 950,
+    tempHigh: 56,
+    stateHigh: "liquid",
+    tempLow: 0,
+    category: "liquids",
+    state: "liquid",
+    density: 1000,
+    stain: 0.3
+};
+elements.gooey_mud = {
+    color: "#8B4513",
+    behavior: elements.slime.behavior,
+    viscosity: 1000,
+    tempHigh: 60,
+    stateHigh: "liquid",
+    tempLow: 0,
+    category: "liquids",
+    state: "liquid",
+    density: 1300,
+    stain: 0.3
+};
+elements.goopy_mud = {
+    color: "#8B4513",
+    behavior: elements.slime.behavior,
+    viscosity: 1100,
+    tempHigh: 58,
+    stateHigh: "liquid",
+    tempLow: 0,
+    category: "liquids",
+    state: "liquid",
+    density: 1080,
+    stain: 0.3
+};
+elements.mushy_mud = {
+    color: "#8B4513",
+    behavior: elements.slime.behavior,
+    viscosity: 1000,
+    tempHigh: 60,
+    stateHigh: "liquid",
+    tempLow: 0,
+    category: "liquids",
+    state: "liquid",
+    density: 1200,
+    stain: 0.3
+};
+elements.mud = {
+    color: "#8B4513",
+    behavior: elements.slime.behavior,
+    viscosity: 1050,
+    tempHigh: 58,
+    stateHigh: "liquid",
+    tempLow: 0,
+    category: "liquids",
+    state: "liquid",
+    density: 1000,
+    stain: 0.3
+};
+elements.quicksand = {
+    color: "#DAA520",
+    behavior: elements.slime.behavior,
+    viscosity: 1750,
+    tempHigh: 70,
+    stateHigh: "liquid",
+    tempLow: 0,
+    category: "liquids",
+    state: "liquid",
+    density: 1300,
+    stain: 0.25
+};
+elements.sandy_mud = {
+    color: "#8B4513",
+    behavior: elements.sap.behavior,
+    viscosity: 1600,
+    tempHigh: 60,
+    stateHigh: "liquid",
+    tempLow: 0,
+    category: "liquids",
+    state: "liquid",
+    density: 1100,
+    stain: 0.3
+};
+elements.sticky_quicksand = {
+    color: "#DAA520",
+    behavior:elements.sap.behavior,
+    viscosity: 1700,
+    tempHigh: 65,
+    stateHigh: "liquid",
+    tempLow: 0,
+    category: "liquids",
+    state: "liquid",
+    density: 1100,
+    stain: 0.25
+};
diff --git a/mods/Science_mod.js b/mods/Science_mod.js
index b0690972..c2ad9e2c 100644
--- a/mods/Science_mod.js
+++ b/mods/Science_mod.js
@@ -1,6 +1,6 @@
 // Science mod for Sandboxels
 // (Inspired by survival.js)
-// Build 20
+// Build 21
 // If there is anything you want to suggest or there's a bug then just dm me on discord (@a_british_proto)
 // Todo:
 // - Make new substances that you can get after mixing different elements
@@ -1376,7 +1376,7 @@ substance.Silver_Oxzide = {
 substance.Silver_Sulfate = {
     behavior: behaviors.WALL,
     color: "FFFFFF",
-    category: "lands"
+    category: "lands",
     state: "solid",
     hidden:true
 }
@@ -1467,3 +1467,43 @@ substance.Aluminum_Tribromide = {
     state: "powder",
     hidden:true
 }
+
+substance.Aluminum_Bromide_Hexahydrate = {
+    behavior: behaviors.WALL,
+    color: "FFFFFF",
+    category: "lands",
+    state: "solid",
+    hidden:true
+}
+
+substance.Aluminum_Cerium_Oxide = {
+    behavior: behaviors.WALL,
+    color: "FF5E00",
+    category: "lands",
+    state: "solid",
+    hidden:true
+}
+
+substance.Aluminum_Chloride = {
+    behavior: behaviors.WALL,
+    color: "FFFFFF",
+    category: "lands",
+    state: "solid",
+    hidden:true
+}
+
+substance.Aluminum_Chlorohydrate = {
+    behavior: behaviors.POWDER,
+    color: "FFFFFF",
+    category: "lands",
+    state: "powder",
+    hidden:true
+}
+
+substance.Aluminum_Chloride_Hydrate = {
+    behavior: behaviors.WALL,
+    color: "FFFFFF",
+    category: "lands",
+    state: "solid",
+    hidden:true
+}
diff --git a/mods/scp.js b/mods/scp.js
index bdc51970..a6eb71dc 100644
--- a/mods/scp.js
+++ b/mods/scp.js
@@ -253,7 +253,6 @@ elements.mask_head = {
     burnTime: 250,
     burnInto: "possessive_mask",
     breakInto: "possessive_mask",
-    forceSaveColor: true,
     reactions: {
         "cancer": { elem1: "possessive_mask", chance:0.05 },
         "tea": { elem2:null, chance:0.2 },
@@ -429,6 +428,7 @@ elements.plague_doctor = {
             createPixel("doc_head", pixel.x, pixel.y-1);
             pixelMap[pixel.x][pixel.y-1].color = pixel.color;
             pixel.element = "doc_body";
+	    pixelMap[pixel.x][pixel.y].color = ["#11111f","#242424"];
         }   
         else {
             deletePixel(pixel.x, pixel.y);
@@ -593,7 +593,6 @@ elements.doc_body = {
     burn: .01,
     burnTime: 300,
     burnInto: "rotten_meat",
-    forceSaveColor: true,
     reactions: {
 		"head": { elem2 : "z_head" , chance:0.3},
         "body": { elem2 : "z_body" , chance:0.3},
@@ -869,9 +868,11 @@ elements.shy_head = {
     burnTime: 3000,
     burnInto: "bone",
     reactions: {
-		"homunculus": { elem2 : ["blood","slime","blood","slime","rotten_meat",null] },
-		"head": { elem2 : ["blood","blood","blood","bone",null] },
-		"body": { elem2: ["blood","blood","meat","bone",null] },
+	"homunculus": { elem2 : ["blood","slime","blood","slime","rotten_meat",null] },
+	"head": { elem2 : ["blood","blood","blood","bone",null] },
+	"body": { elem2: ["blood","blood","meat","bone",null] },
+	"z_head": { elem2 : ["infection","infection","infection","bone",null] },
+	"z_body": { elem2: ["infection","infection","rotten_meat","bone",null] },
         "rat": { elem2: ["infection","rotten_meat",null]},
         "frog": { elem2: ["slime",null] },
         "cell": { elem2: ["dna","water",null] },
@@ -986,10 +987,12 @@ elements.shy_body = {
     burnInto: "bone",
     forceSaveColor: true,
     reactions: {
-		"homunculus": { elem2 : ["blood","slime","blood","slime","rotten_meat",null] },
-		"head": { elem2 : ["blood","blood","blood","meat","bone",null] },
-		"body": { elem2: ["blood","blood","meat","bone",null] },
-        "rat": { elem2: ["infection","rotten_meat"]},
+	"homunculus": { elem2 : ["blood","slime","blood","slime","rotten_meat",null] },
+	"head": { elem2 : ["blood","blood","blood","bone",null] },
+	"body": { elem2: ["blood","blood","meat","bone",null] },
+	"z_head": { elem2 : ["infection","infection","infection","bone",null] },
+	"z_body": { elem2: ["infection","infection","rotten_meat","bone",null] },
+	"rat": { elem2: ["infection","infection","plague"] },
         "frog": { elem2: "slime" },
         "cell": { elem2: ["dna","water",null] },
         "cancer": { elem2: ["dna","dirty_water"] },
@@ -1007,11 +1010,12 @@ elements.SCP_682 = {
     category: "scp",
     density: 7500,
     reactions: {
-        "head": { elem2 : ["bone","blood",null] , chance:10 },
-        "body": { elem1 : "mad_682" , elem2 : ["meat","blood",null] , chance:10 },
-        "z_head": { elem2 : ["bone","infection",null] , chance:10 },
-        "z_body": { elem1 : "mad_682" , elem2 : ["rotten_meat","infection",null] , chance:10 },
-        "homunculus": { elem2 : ["slime","blood",null] , chance:10 },
+        "head": { elem2 : ["bone","blood",null] , chance:50 },
+        "body": { elem1 : "mad_682" , elem2 : ["meat","blood",null] , chance:50 },
+        "z_head": { elem2 : ["infection","infection","infection","bone",null] , chance:50 },
+	"z_body": { elem1 : "mad_682" , elem2: ["infection","infection","rotten_meat","bone",null] , chance:50 },  
+	"homunculus": { elem2 : ["slime","blood",null] , chance:10 },
+	"rat": { elem2: ["infection","infection","plague"] },
         "frog": { elem2 : ["slime","blood",null] , chance:10 },
         "bird": { elem2 : ["feather","blood",null] , chance:10 },
         "meat": { elem2 : null , chance:0.2 },
@@ -1072,6 +1076,8 @@ elements.mad_682 = {
     reactions: {
         "head": { elem2 : ["bone","blood",null] },
         "body": { elem2 : ["meat","blood",null] },
+	"z_head": { elem2 : ["bone","infection",null] },
+        "z_body": { elem2 : ["meat","infection",null] },
         "homunculus": { elem2 : ["slime","blood",null] },
         "frog": { elem2 : ["slime","blood",null] },
         "bird": { elem2 : ["feather","blood",null] },
@@ -1223,4 +1229,4 @@ elements.hyper_tickle_monster = {
     stain: 0.08,
 };
 
-// SCPs with ID over 999 here
\ No newline at end of file
+// SCPs with ID over 999 here