diff --git a/index.html b/index.html
index 7825049..77a99c0 100644
--- a/index.html
+++ b/index.html
@@ -150,13 +150,13 @@
 				<div v-if="layers[layer].challs" class="upgTable">
 					<div v-for="row in layers[layer].challs.rows" class="upgRow">
 						<div v-for="col in layers[layer].challs.cols">
-							<div v-if="layers[layer].challs[row*10+col].unl()" v-bind:class="{hChall: true, done: player[layer].challs.includes(row*10+col), canComplete: (player.points.gte(layers[layer].challs[row*10+col].goal)&&tmp.challActive[layer][row*10+col]&&!player[layer].challs.includes(row*10+col))}">
+							<div v-if="layers[layer].challs[row*10+col].unl()" v-bind:class="{hChall: true, done: player[layer].challs.includes(row*10+col), canComplete: tmp.challActive[layer][row*10+col]&&!player[layer].challs.includes(row*10+col)&&canCompleteChall(layer, row*10+col)}">
 								<br><h3>{{layers[layer].challs[row*10+col].name}}</h3><br><br>
-								<button v-bind:class="{ longUpg: true, can: true, [layer]: true }" v-on:click="startChall(layer, row*10+col)">{{player[layer].active==(row*10+col)?(player.points.gte(layers[layer].challs[row*10+col].goal)?"Finish":"Exit Early"):(player[layer].challs.includes(row*10+col)?"Completed":"Start")}}</button><br><br>
+								<button v-bind:class="{ longUpg: true, can: true, [layer]: true }" v-bind:style="{'background-color': layers[layer].color}" v-on:click="startChall(layer, row*10+col)">{{player[layer].active==(row*10+col)?(canCompleteChall(layer, row*10+col)?"Finish":"Exit Early"):(player[layer].challs.includes(row*10+col)?"Completed":"Start")}}</button><br><br>
 								{{layers[layer].challs[row*10+col].desc}}<br>
-								Goal: {{format(layers[layer].challs[row*10+col].goal)}} Points<br>
+								Goal: {{format(layers[layer].challs[row*10+col].goal)}} {{layers[layer].challs[row*10+col].currencyDisplayName ? layers[layer].challs[row*10+col].currencyDisplayName : "points"}}<br>
 								Reward: {{layers[layer].challs[row*10+col].reward}}<br>
-								<span v-if="layers[layer].challs[row*10+col].effDisp!==undefined">Currently: {{layers[layer].challs[row*10+col].effDisp(layers[layer].challs[row*10+col].effect())}}</span>
+								<span v-if="layers[layer].challs[row*10+col].effDisp!==undefined">Currently: {{(layers[layer].challs[row*10+col].effDisp) ? (layers[layer].challs[row*10+col].effDisp(layers[layer].challs[row*10+col].effect())) : format(layers[layer].challs[row*10+col].effect())}}</span>
 							</div>
 						</div>
 					</div>
diff --git a/js/game.js b/js/game.js
index 43d5fdd..e446e02 100644
--- a/js/game.js
+++ b/js/game.js
@@ -36,6 +36,14 @@ function getPointGen() {
 	return gain
 }
 
+// Function to determine if the player is in a challenge
+function inChallenge(layer, id){
+	if (player.c.active==x) return true
+
+	if (layers[layer].challs[id].countsAs)
+		return layers[layer].challs[id].countsAs.includes(id)
+}
+
 function save() {
 	localStorage.setItem("prestige-tree", btoa(JSON.stringify(player)))
 }
@@ -263,7 +271,6 @@ function layerUnl(layer) {
 
 function rowReset(row, layer) {
 	for (lr in ROW_LAYERS[row]){
-		console.log(lr)
 		if(layers[lr].doReset)
 			layers[lr].doReset(layer)
 		else
@@ -412,13 +419,36 @@ function startChall(layer, x) {
 	updateChallTemp(layer)
 }
 
+function canCompleteChall(layer, x)
+{
+	if (x != player[layer].active) return
+
+	let chall = layers[layer].challs[x]
+
+	if (chall.currencyInternalName){
+		let name = chall.currencyInternalName
+		if (chall.currencyLayer){
+			let lr = chall.currencyLayer
+			return !(player[lr][name].lt(chall.goal)) 
+		}
+		else {
+			return !(player[name].lt(chall.cost))
+		}
+	}
+	else {
+		return !(player[layer].points.lt(chall.cost))
+	}
+
+}
+
 function completeChall(layer, x) {
 	var x = player[layer].active
 	if (!x) return
-	if (!player.points.gte(layers[layer].challs[x].goal)) return
+	if (! canCompleteChall(layer, x)) return
 	if (!player[layer].challs.includes(x)) {
-		//if (layer == "h" && x == 62) needCanvasUpdate = true
+		needCanvasUpdate = true
 		player[layer].challs.push(x);
+		if (layers[layer].challs[x].onComplete) layers[layer].challs[x].onComplete()
 	}
 	delete player[layer].active
 	updateChallTemp(layer)
diff --git a/js/layers.js b/js/layers.js
index 81a2c72..d7c660e 100644
--- a/js/layers.js
+++ b/js/layers.js
@@ -7,6 +7,7 @@ var layers = {
             total: new Decimal(0),
             upgrades: [],
             milestones: [],
+            challs: [],
             beep: false,
         }},
         color: "#4BEC13",
@@ -81,6 +82,28 @@ var layers = {
                 }
             },
         },
+
+        challs: {
+            rows: 1,
+    		cols: 1,
+		    11: {
+			    name: "Fun",
+			    desc: "Makes the game 0% harder",
+			    unl() { return player.c.best.gt(0) },
+                goal: new Decimal("20"),
+                currencyDisplayName: "lollipops", // Use if using a nonstandard currency
+                currencyInternalName: "points", // Use if using a nonstandard currency
+                currencyLayer: "c", // Leave empty if not in a layer
+                effect() {
+                    let ret = player.c.points.add(1).tetrate(0.02)
+                    return ret;
+                },
+                effDisp(x) { return format(x)+"x" },
+                countsAs: [12, 21], // Use this for if a challenge includes the effects of other challenges. Being in this challenge "counts as" being in these.
+                reward: "Says hi",
+                onComplete() {console.log("hiii")} // Called when you complete the challenge
+            },
+        }, 
         doReset(layer){
             if(layers[layer].row > layers["c"].row) fullLayerReset('c') // This is actually the default behavior
         },