diff --git a/backend/src/constants/funbox-list.ts b/backend/src/constants/funbox-list.ts
index ae3f74346..046876e41 100644
--- a/backend/src/constants/funbox-list.ts
+++ b/backend/src/constants/funbox-list.ts
@@ -331,6 +331,13 @@ const FunboxList: MonkeyTypes.FunboxMetadata[] = [
     canGetPb: true,
     difficultyLevel: 3,
   },
+  {
+    canGetPb: true,
+    difficultyLevel: 1,
+    properties: ["noLigatures"],
+    frontendFunctions: ["alterText"],
+    name: "ddoouubblleedd",
+  },
 ];
 
 export default FunboxList;
diff --git a/frontend/src/ts/test/funbox/funbox-list.ts b/frontend/src/ts/test/funbox/funbox-list.ts
index f16153cbe..974e4090c 100644
--- a/frontend/src/ts/test/funbox/funbox-list.ts
+++ b/frontend/src/ts/test/funbox/funbox-list.ts
@@ -255,6 +255,11 @@ const list: MonkeyTypes.FunboxMetadata[] = [
       "wordOrder:reverse",
     ],
   },
+  {
+    name: "ddoouubblleedd",
+    info: "TTyyppee eevveerryytthhiinngg ttwwiiccee..",
+    properties: ["noLigatures"],
+  },
 ];
 
 export function getAll(): MonkeyTypes.FunboxMetadata[] {
diff --git a/frontend/src/ts/test/funbox/funbox.ts b/frontend/src/ts/test/funbox/funbox.ts
index 94f95dc96..7e05c5de7 100644
--- a/frontend/src/ts/test/funbox/funbox.ts
+++ b/frontend/src/ts/test/funbox/funbox.ts
@@ -505,6 +505,12 @@ FunboxList.setFunboxFunctions("zipf", {
   },
 });
 
+FunboxList.setFunboxFunctions("ddoouubblleedd", {
+  alterText(word: string): string {
+    return word.replace(/./gu, "$&$&");
+  },
+});
+
 export function toggleScript(...params: string[]): void {
   FunboxList.get(Config.funbox).forEach((funbox) => {
     if (funbox.functions?.toggleScript) funbox.functions.toggleScript(params);
diff --git a/frontend/static/funbox/_list.json b/frontend/static/funbox/_list.json
index dc6f914b8..550ac0e88 100644
--- a/frontend/static/funbox/_list.json
+++ b/frontend/static/funbox/_list.json
@@ -180,5 +180,10 @@
     "name": "backwards",
     "info": "...sdrawkcab epyt ot yrt woN",
     "canGetPb": true
+  },
+  {
+    "name": "ddoouubblleedd",
+    "info": "TTyyppee eevveerryytthhiinngg ttwwiiccee..",
+    "canGetPb": true
   }
 ]