diff --git a/mods/PRNGworldgenlib.js b/mods/PRNGworldgenlib.js
index 14b110ab..4797580c 100644
--- a/mods/PRNGworldgenlib.js
+++ b/mods/PRNGworldgenlib.js
@@ -1,4 +1,4 @@
-/*Version 1.1.0 Pseudorandom world generator*/
+/*Version 1.2.0 Pseudorandom world generator*/
 function pseudorandom(key, num, max = 1){
     return (Math.log(key)*(num*Math.log(1625.4986772154357))) % max;
 };
@@ -14,11 +14,92 @@ let oreChances = {
     uranium: 0.805,
     aluminum: 1
 }
+function makeCurve(pos, w, dir, div = 200){
+    let prevX = pos[0], prevY = pos[1];
+    let res = [];
+    for(i = w; i >= 0; i--){
+        let x2 = (dir == 1) ? pos[0]-i : pos[0]+i;
+        let y2 = height-((1/div)*(i**2));
+        res = res.concat(lineCoords(prevX, prevY, Math.round(x2), Math.round(y2), 1));
+        prevX = Math.round(x2), prevY = Math.round(y2);
+    }
+    return res;
+}
+
+elements.sandstone = {
+	category: "solids",
+	color: ["#a89f67", "#b89c6b", "#bbad68"],
+	behavior: behaviors.SOLID,
+	breakInto: "sand",
+	tempHigh: 1700,
+	stateHigh: "molten_glass",
+};
+
+elements.packed_sand.tempHigh = 300;
+elements.packed_sand.stateHigh = "sandstone";
+
+function drawLine(elem,x1,y1,x2,y2, replace = null){
+	let coords = lineCoords(Math.round(x1),Math.round(y1),Math.round(x2),Math.round(y2));
+	for(let pos of coords){
+		let res = tryCreate(elem, pos[0], pos[1]);
+		if(replace != null && res == null){
+			let pixel = getPixel(pos[0], pos[1]);
+			if(pixel != null && replace.includes(pixel.element)){
+				changePixel(pixel, elem);
+			} 
+		}
+	}
+}
+let structureFuncs = {
+	ocean: (seed)=>{
+		let side = (pseudorandom(15, (seed/2**32)*62, 1) > 0.5) ? 0 : width;
+		let positions = makeCurve([side, 45], 90, (side == 0) ? -1 : 1, 200-(pseudorandom(82, (seed/2**32)*972, 70) - 35));
+		let obj = {};
+		for(let pos of positions){
+			if(obj[pos[0]] != undefined){
+				obj[pos[0]] = (obj[pos[0]] > pos[1]) ? obj[pos[0]] : pos[1];
+			} else {
+				obj[pos[0]] = pos[1];
+			}
+		}
+		for(let key in obj){
+			for(let i = obj[key]; i > 0; i--){
+				let p = getPixel(key, i);
+				if(p != null){
+					changePixel(p, "water");
+				}
+				//tryDelete(key, i);
+			}
+		}
+		
+		
+	},
+	pyramid: (seed)=>{
+
+		if(pseudorandom(232, 4564*(seed/2**32), 1) < 0.25){
+			let x = pseudorandom(531, 9834*(seed/2**32), width);
+			let h = pseudorandom(659, 2342*(seed/2**32), 10) + 20;
+			let hwidth = h*Math.atan(0.78539816);
+			let num = 0;
+			for(let i = x - hwidth; i < x + hwidth; i++){
+				let y = (height-35)-(h);
+				drawLine("sandstone", i, height-35, x, y, ["sand", "cactus"]);
+				num++;
+				if(i == x){
+					num = 0;
+				};
+			}
+		}
+	},
+};
 class biome {
-    constructor(layersArr, yLevels, properties, afterFunc = false){
+    constructor(layersArr, yLevels, properties, afterFunc = false, genStructures = false, sp = false){
         this.layers = layersArr;
         this.yLevels = yLevels;
         this.vMulti = 1;
+		this.structures = (genStructures != false) ? [].concat(genStructures) : undefined;
+		this.afterFunc = (afterFunc != false) ? afterFunc : undefined;
+		this.sPriority = sp;
         for(let item in properties){
             this[item] = properties[item];
         }
@@ -26,6 +107,13 @@ class biome {
             autoResizeCanvas();
             if(!paused){togglePause();}
             let fraction = seed/(2**32);
+			if(this.sPriority){
+				if(this.structures != undefined){
+					for(let gen of this.structures){
+						gen(seed);
+					}
+				}
+			}
             for(let level of this.yLevels){
                 for(let x = 0; x <= width+2; x++){
                     //console.log(x);
@@ -68,6 +156,11 @@ class biome {
                     }
                 }
             }
+			if(this.structures != undefined){
+				for(let gen of this.structures){
+					gen(seed);
+				}
+			}
             this.generateOreVeins(seed, this.vMulti);
         };
     }
@@ -114,13 +207,37 @@ class biome {
         if(this.afterFunc != null){
             this.afterFunc(seed);
         }
+		
     }
 }
 let biomes = {
     plains: new biome([["rock", "rock", "rock", "gravel"], ["dirt", "dirt", "dirt", "dirt", "mud", "gravel"], ["grass","flower_seed","grass","grass","grass","grass","sapling","grass","grass","grass","grass","grass","grass","grass","grass"]], [25, 38, 40]),
-    desert: new biome([["rock", "rock", "rock", "gravel"], ["rock", "packed_sand","rock", "packed_sand", "sand"], ["sand"], [null, null, null, null, null, null, null, null, null, "cactus"]], [17, 26, 40, 42], {vMulti: 1.2}),
+    desert: new biome([["rock", "rock", "rock", "gravel"], ["rock", "packed_sand","rock", "packed_sand", "sand"], ["sand"], [null, null, null, null, null, null, null, null, null, "cactus"]], [17, 26, 40, 42], {vMulti: 1.2}, false, structureFuncs.pyramid, true),
     savanna: new biome([["rock", "rock", "rock", "gravel"], ["dirt", "dirt", "clay_soil", "dirt", "dirt"], ["grass",null,null, null, null, null, "sapling",null,null,null,null]], [25, 38, 40], {lc: ["#6fde26", "#8eed34", "#8cdb42", "#7bd12a", "#96e81c", "#a9e64e", "#a0d94c", "#a9d63e"], wc: ["#bdab7e", "#b09c6a", "#ab996d", "#998a63", "#917959", "#877051"], vMulti: 1.5}),
     tundra: new biome([["rock", "rock", "rock", "gravel"], ["dirt", "dirt", "rock", "permafrost"], ["permafrost", "permafrost", "permafrost", "permafrost", "permafrost", "permafrost", "ice", "snow"], [null,null,null,null,null,"pinecone",null,null,null,null,null,null]], [25, 30, 38, 40], {temp: -15, vMulti: 2}),
+	beach: new biome([["rock", "rock", "rock", "gravel"], ["rock", "gravel", "sand", "sand"], ["sand"]], [7, 13, 35], {vMulti: 0.8}, (seed)=>{
+		dependOn("plants.js", ()=>{
+			for(let i = 0; i < width; i++){
+				console.log(pseudorandom((i*34), (seed/2**32)*234, 1));
+				if(pseudorandom((i*34), (seed/2**32)*234, 1) < 0.035){
+					let c = true;
+					let np = getPixel(i, 20);
+					let ny = 21;
+					while(np == null){
+						np = getPixel(i, ny);
+						if(np != null && np.element == "water"){
+							c = false;
+						};
+						ny++;
+					}
+					if(c){
+						tryCreate("banana_seed", i, 20);
+					}
+				}
+			}
+		}, false);
+	}, structureFuncs.ocean),
+	
 }
 let seed = Math.random()*(2**32);
 enabledMods.forEach((item)=>{
@@ -136,14 +253,14 @@ enabledMods.forEach((item)=>{
         }});
     }
 });
-elements.PRNGgenerate = {
+elements.SeedGenerate = {
     category: "tools", 
     onSelect: function(){
         let arr = [];
         let txt = shiftDown;
         Object.keys(biomes).forEach(function(b){arr.push(b);});
 		txt = (arr.length >= 7) ? true : txt;
-        promptInput("Leave blank to generate new seed. Your current seed is: " + seed, function(i){
+        promptInput("Leave blank to generate new seed or C to keep current seed. Your current seed is: " + seed, function(i){
             seed = (i != null && i.toLowerCase() == "c") ? seed : parseFloat(i) || Math.random()*(2**32);
             seed = seed % (2**32);
             if(!txt){
@@ -171,6 +288,41 @@ elements.PRNGgenerate = {
         }, "Enter seed:");
     }
 }
+elements.RandomGen = {
+	category: "tools",
+	onSelect: function(){
+		let arr = [];
+		let txt = shiftDown;
+		Object.keys(biomes).forEach(function(b){arr.push(b);});
+		txt = (arr.length >= 7) ? true : txt;
+		seed = Math.random()*(2**32);
+		//seed %= 2**32;
+		if(txt){
+			let str = "";
+			for(let key in biomes){
+				str += `${key}, `;
+			}
+			str = str.replace(/^,|,$/g, '');
+			promptInput("Enter the name of a biome to generate (caps-insensetive)\nBiomes available: \n" + str, function(inp){
+				let choice = inp.toLowerCase();
+				if(!arr.includes(choice)){
+					promptText("Invalid selection.");
+					selectElement("dirt");
+				} else {
+					biomes[choice].generate(seed);
+					selectElement("dirt");
+					
+				}
+			}, "Enter Biome Name: ");
+			
+		} else {
+			promptChoose("", arr, (choice)=>{
+				biomes[choice].generate(seed);
+				selectElement("dirt");
+			}, "Biome Selection");
+		}
+	},
+}
 elements.view_seed = {
     category: "tools",
     onSelect: function(){