Add button

core/src/mindustry/game/Saves.java

@@ -164,6 +164,13 @@ public class Saves{
         return saves;
     }
 
+    public void deleteAll(){
+        saves.clear();
+        for(Fi file : saveDirectory.list()){
+            file.delete();
+        }
+    }
+
     public class SaveSlot{
         public final Fi file;
         boolean requestedPreview;

core/src/mindustry/ui/dialogs/LoadDialog.java

@@ -164,6 +164,13 @@ public class LoadDialog extends BaseDialog{
                 }
             });
         }).fillX().margin(10f);
+
+        buttons.button("$save.clear", Icon.trash, () -> {
+            ui.showConfirm("$confirm", "$save.clear.confirm", () -> {
+                control.saves.deleteAll();
+                setup();
+            });
+        }).fillX().margin(10f);
     }
 
     public void runLoadSave(SaveSlot slot){