diff --git a/data/ui/play/sort_alpha_d.png b/data/ui/play/sort_alpha_d.png
new file mode 100644
index 00000000..715c3358
Binary files /dev/null and b/data/ui/play/sort_alpha_d.png differ
diff --git a/data/ui/play/sort_alpha_h.png b/data/ui/play/sort_alpha_h.png
new file mode 100644
index 00000000..30ba3d42
Binary files /dev/null and b/data/ui/play/sort_alpha_h.png differ
diff --git a/data/ui/play/sort_alpha_i.png b/data/ui/play/sort_alpha_i.png
new file mode 100644
index 00000000..4ffbac32
Binary files /dev/null and b/data/ui/play/sort_alpha_i.png differ
diff --git a/data/ui/play/sort_alpha_n.png b/data/ui/play/sort_alpha_n.png
new file mode 100644
index 00000000..30e946fc
Binary files /dev/null and b/data/ui/play/sort_alpha_n.png differ
diff --git a/data/ui/play/sort_date_d.png b/data/ui/play/sort_date_d.png
new file mode 100644
index 00000000..756370cf
Binary files /dev/null and b/data/ui/play/sort_date_d.png differ
diff --git a/data/ui/play/sort_date_h.png b/data/ui/play/sort_date_h.png
new file mode 100644
index 00000000..f745a1a8
Binary files /dev/null and b/data/ui/play/sort_date_h.png differ
diff --git a/data/ui/play/sort_date_i.png b/data/ui/play/sort_date_i.png
new file mode 100644
index 00000000..51ec26ec
Binary files /dev/null and b/data/ui/play/sort_date_i.png differ
diff --git a/data/ui/play/sort_date_n.png b/data/ui/play/sort_date_n.png
new file mode 100644
index 00000000..9df8dcc5
Binary files /dev/null and b/data/ui/play/sort_date_n.png differ
diff --git a/src/Marbleland.hx b/src/Marbleland.hx
index 4c836147..8d5f9bb2 100644
--- a/src/Marbleland.hx
+++ b/src/Marbleland.hx
@@ -32,7 +32,7 @@ class Marbleland {
 
 		for (missionData in claJson) {
 			// filter
-			if (missionData.compatibility != 'mbw' && missionData.compatibility != 'mbg')
+			if (missionData.datablockCompatibility != 'mbw' && missionData.datablockCompatibility != 'mbg')
 				continue;
 			if (!['gold', 'platinum', 'ultra', 'platinumquest'].contains(missionData.modification))
 				continue;
@@ -61,6 +61,7 @@ class Marbleland {
 			mission.ultimateTime = missionData.ultimateTime != null ? missionData.ultimateTime / 1000 : 0;
 			mission.hasEgg = missionData.hasEgg;
 			mission.isClaMission = true;
+			mission.addedAt = missionData.addedAt;
 
 			var game = missionData.modification;
 
diff --git a/src/Mission.hx b/src/Mission.hx
index 7d7871f1..8848e4df 100644
--- a/src/Mission.hx
+++ b/src/Mission.hx
@@ -1,5 +1,6 @@
 package src;
 
+import haxe.Int64;
 import src.Http.HttpRequest;
 import gui.Canvas;
 import gui.MessageBoxOkDlg;
@@ -40,6 +41,7 @@ class Mission {
 	public var game:String;
 	public var hasEgg:Bool;
 	public var isCustom:Bool;
+	public var addedAt:Int64;
 
 	var next:Mission;
 
diff --git a/src/gui/PlayMissionGui.hx b/src/gui/PlayMissionGui.hx
index f681eb4c..d71b7736 100644
--- a/src/gui/PlayMissionGui.hx
+++ b/src/gui/PlayMissionGui.hx
@@ -37,7 +37,7 @@ class PlayMissionGui extends GuiImage {
 
 	var setSelectedFunc:Int->Void;
 	var setScoreHover:Bool->Void;
-	var setCategoryFunc:(String, String, ?Bool) -> Void;
+	var setCategoryFunc:(String, String, ?String, ?Bool) -> Void;
 	var buttonHoldFunc:(dt:Float, mouseState:MouseState) -> Void;
 
 	var pmScoreButton:GuiButton;
@@ -204,6 +204,27 @@ class PlayMissionGui extends GuiImage {
 		}
 		pmBox.addChild(pmSearch);
 
+		var sortType = 0; // 0 = alphabetical, 1 = date
+
+		var sortAlphaImgs = loadButtonImages("data/ui/play/sort_alpha");
+		var sortDateImgs = loadButtonImages("data/ui/play/sort_date");
+
+		var pmSort = new GuiButton(sortAlphaImgs);
+		pmSort.position = new Vector(366, 325);
+		pmSort.extent = new Vector(43, 43);
+		pmSort.pressedAction = (e) -> {
+			sortType = (sortType + 1) % 2;
+			if (sortType == 0) {
+				@:privateAccess pmSort.anim.frames = sortAlphaImgs;
+			}
+			if (sortType == 1) {
+				@:privateAccess pmSort.anim.frames = sortDateImgs;
+			}
+			setCategoryFunc(currentGame, currentCategoryStatic, sortType == 1 ? "date" : "alpha");
+			// MarbleGame.canvas.pushDialog(new SearchGui(currentGame, currentCategory == "custom"));
+		}
+		pmBox.addChild(pmSort);
+
 		var pmPrev = new GuiButton(loadButtonImages("data/ui/play/prev"));
 		pmPrev.position = new Vector(436, 325);
 		pmPrev.extent = new Vector(72, 43);
@@ -605,7 +626,7 @@ class PlayMissionGui extends GuiImage {
 				MarbleGame.canvas.pushDialog(mbo);
 			} else {
 				currentCategory = "custom";
-				setCategoryFunc("gold", "custom");
+				setCategoryFunc("gold", "custom", sortType == 1 ? "date" : "alpha");
 			}
 		}
 		pmDifficultyCtrl.addChild(pmDifficultyGoldCustom);
@@ -621,7 +642,7 @@ class PlayMissionGui extends GuiImage {
 				MarbleGame.canvas.pushDialog(mbo);
 			} else {
 				currentCategory = "custom";
-				setCategoryFunc("platinum", "custom");
+				setCategoryFunc("platinum", "custom", sortType == 1 ? "date" : "alpha");
 			}
 		}
 		pmDifficultyCtrl.addChild(pmDifficultyPlatinumCustom);
@@ -637,7 +658,7 @@ class PlayMissionGui extends GuiImage {
 				MarbleGame.canvas.pushDialog(mbo);
 			} else {
 				currentCategory = "custom";
-				setCategoryFunc("ultra", "custom");
+				setCategoryFunc("ultra", "custom", sortType == 1 ? "date" : "alpha");
 			}
 		}
 		pmDifficultyCtrl.addChild(pmDifficultyUltraCustom);
@@ -812,7 +833,7 @@ class PlayMissionGui extends GuiImage {
 
 		currentList = MissionList.missionList["platinum"]["beginner"];
 
-		setCategoryFunc = function(game:String, category:String, ?doRender:Bool = true) {
+		setCategoryFunc = function(game:String, category:String, ?sort:String = null, ?doRender:Bool = true) {
 			currentList = category == "custom" ? (switch (game) {
 				case 'gold' if (Marbleland.goldMissions.length != 0): Marbleland.goldMissions;
 				case 'platinum' if (Marbleland.platinumMissions.length != 0): Marbleland.platinumMissions;
@@ -836,6 +857,24 @@ class PlayMissionGui extends GuiImage {
 				pmAchievements.disabled = true;
 			}
 
+			if (category == "custom") {
+				pmSort.anim.visible = true;
+				pmSort.disabled = false;
+			} else {
+				pmSort.anim.visible = false;
+				pmSort.disabled = true;
+			}
+
+			if (sort != null) {
+				currentList = currentList.copy(); // Don't modify the originals
+				if (sort == "alpha") {
+					currentList.sort((x, y) -> x.title > y.title ? 1 : (x.title < y.title ? -1 : 0));
+				}
+				if (sort == "date") {
+					currentList.sort((x, y) -> x.addedAt > y.addedAt ? 1 : (x.addedAt < y.addedAt ? -1 : 0));
+				}
+			}
+
 			currentCategoryStatic = currentCategory;
 
 			if (currentGame != game) {
@@ -1044,7 +1083,7 @@ class PlayMissionGui extends GuiImage {
 			#end
 		}
 
-		setCategoryFunc(currentGame, currentCategoryStatic, false);
+		setCategoryFunc(currentGame, currentCategoryStatic, null, false);
 
 		#if js
 		var kofi = new GuiButton(loadButtonImages("data/ui/kofi1"));