diff --git a/src/battle-scene.ts b/src/battle-scene.ts
index 516662617f1..a90ed29d219 100644
--- a/src/battle-scene.ts
+++ b/src/battle-scene.ts
@@ -653,6 +653,8 @@ export default class BattleScene extends SceneBase {
       }
     });
 
+    console.log(this);
+
     this.updateBiomeWaveText();
     this.updateMoneyText();
     this.updateScoreText();
diff --git a/src/data/challenge.ts b/src/data/challenge.ts
index 2205519c532..77ef9721917 100644
--- a/src/data/challenge.ts
+++ b/src/data/challenge.ts
@@ -772,6 +772,38 @@ export class LowerStarterPointsChallenge extends Challenge {
   }
 }
 
+/**
+ * Implements a mono generation challenge.
+ */
+export class SmeargleChallenge extends Challenge {
+  constructor() {
+    super(Challenges.SMEARGLE, 1);
+  }
+
+  applyStarterChoice(pokemon: PokemonSpecies, valid: Utils.BooleanHolder, dexAttr: DexAttrProps, soft: boolean = false): boolean {
+    if (pokemon.speciesId !== Species.SMEARGLE) {
+      valid.value = false;
+      return true;
+    }
+    return false;
+  }
+
+  applyPokemonInBattle(pokemon: Pokemon, valid: Utils.BooleanHolder): boolean {
+    if (pokemon.species.speciesId !== Species.SMEARGLE || pokemon.isFusion()) {
+      valid.value = false;
+      return true;
+    }
+    return false;
+  }
+
+  static loadChallenge(source: SmeargleChallenge | any): SmeargleChallenge {
+    const newChallenge = new SmeargleChallenge();
+    newChallenge.value = source.value;
+    newChallenge.severity = source.severity;
+    return newChallenge;
+  }
+}
+
 /**
  * Apply all challenges that modify starter choice.
  * @param gameMode {@link GameMode} The current gameMode
@@ -961,6 +993,8 @@ export function copyChallenge(source: Challenge | any): Challenge {
     return FreshStartChallenge.loadChallenge(source);
   case Challenges.INVERSE_BATTLE:
     return InverseBattleChallenge.loadChallenge(source);
+  case Challenges.SMEARGLE:
+    return SmeargleChallenge.loadChallenge(source);
   }
   throw new Error("Unknown challenge copied");
 }
@@ -973,5 +1007,6 @@ export function initChallenges() {
     new SingleTypeChallenge(),
     new FreshStartChallenge(),
     new InverseBattleChallenge(),
+    new SmeargleChallenge()
   );
 }
diff --git a/src/enums/challenges.ts b/src/enums/challenges.ts
index c4dc7460dfe..da2ddd52511 100644
--- a/src/enums/challenges.ts
+++ b/src/enums/challenges.ts
@@ -5,4 +5,5 @@ export enum Challenges {
     LOWER_STARTER_POINTS,
     FRESH_START,
     INVERSE_BATTLE,
+    SMEARGLE
 }
diff --git a/src/phases/title-phase.ts b/src/phases/title-phase.ts
index 52503501837..1c5f62280de 100644
--- a/src/phases/title-phase.ts
+++ b/src/phases/title-phase.ts
@@ -3,6 +3,7 @@ import BattleScene from "#app/battle-scene";
 import { BattleType } from "#app/battle";
 import { getDailyRunStarters, fetchDailyRunSeed } from "#app/data/daily-run";
 import { Gender } from "#app/data/gender";
+import { getPokemonSpecies } from "#app/data/pokemon-species";
 import { getBiomeKey } from "#app/field/arena";
 import { GameModes, GameMode, getGameMode } from "#app/game-mode";
 import { regenerateModifierPoolThresholds, ModifierPoolType, modifierTypes, getDailyRunStarterModifiers } from "#app/modifier/modifier-type";
@@ -21,7 +22,9 @@ import { EncounterPhase } from "./encounter-phase";
 import { SelectChallengePhase } from "./select-challenge-phase";
 import { SelectStarterPhase } from "./select-starter-phase";
 import { SummonPhase } from "./summon-phase";
-
+import { Species } from "#app/enums/species";
+import { Moves } from "#app/enums/moves";
+import { Challenges } from "#app/enums/challenges";
 
 export class TitlePhase extends Phase {
   private loaded: boolean;
@@ -149,6 +152,15 @@ export class TitlePhase extends Phase {
       },
       keepOpen: true
     },
+    {
+      label: "Smeargle",
+      handler: () => {
+        this.gameMode = GameModes.CHALLENGE;
+        this.initSmeargle();
+        return true;
+      },
+      keepOpen: true
+    },
     {
       label: i18next.t("menu:settings"),
       handler: () => {
@@ -182,6 +194,51 @@ export class TitlePhase extends Phase {
     });
   }
 
+  initSmeargle(): void {
+    this.scene.ui.setMode(Mode.SAVE_SLOT, SaveSlotUiMode.SAVE, (slotId: integer) => {
+      this.scene.clearPhaseQueue();
+      if (slotId === -1) {
+        this.scene.pushPhase(new TitlePhase(this.scene));
+        return super.end();
+      }
+      this.scene.sessionSlotId = slotId;
+
+
+      const generateSmeargles = () => {
+        this.scene.money = 2500;
+        const startingLevel = 5;
+
+        const party = this.scene.getParty();
+        const loadPokemonAssets: Promise<void>[] = [];
+
+        for (let i = 0; i < 6; i++) {
+          const smeargle = this.scene.addPlayerPokemon(getPokemonSpecies(Species.SMEARGLE), startingLevel);
+          smeargle.setVisible(false);
+          party.push(smeargle);
+          loadPokemonAssets.push(smeargle.loadAssets());
+        }
+
+        Promise.all(loadPokemonAssets).then(() => {
+          this.scene.sessionPlayTime = 0;
+          this.scene.lastSavePlayTime = 0;
+          party.forEach((p, i) => {
+            for (let m = 0; m < 4; m++) {
+              if (i === 0 && m === 0) {
+                p.setMove(m, Moves.TACKLE);
+              } else {
+                p.setMove(m, Moves.SKETCH);
+              }
+            }
+          });
+
+          this.end(true);
+        });
+      };
+      generateSmeargles();
+
+    });
+  }
+
   initDailyRun(): void {
     this.scene.ui.setMode(Mode.SAVE_SLOT, SaveSlotUiMode.SAVE, (slotId: integer) => {
       this.scene.clearPhaseQueue();
@@ -257,12 +314,22 @@ export class TitlePhase extends Phase {
     });
   }
 
-  end(): void {
+  end(smeargle = false): void {
     if (!this.loaded && !this.scene.gameMode.isDaily) {
       this.scene.arena.preloadBgm();
       this.scene.gameMode = getGameMode(this.gameMode);
-      if (this.gameMode === GameModes.CHALLENGE) {
+      if (this.gameMode === GameModes.CHALLENGE && !smeargle) {
         this.scene.pushPhase(new SelectChallengePhase(this.scene));
+      } else if (this.gameMode === GameModes.CHALLENGE && smeargle) {
+        this.scene.gameMode = getGameMode(GameModes.CHALLENGE);
+        this.scene.gameMode.challenges.forEach(c => {
+          if (c.id === Challenges.SMEARGLE) {
+            c.value = 1;
+          }
+        });
+        this.scene.newArena(this.scene.gameMode.getStartingBiome(this.scene));
+        this.scene.newBattle();
+        this.scene.arena.init();
       } else {
         this.scene.pushPhase(new SelectStarterPhase(this.scene));
       }