diff --git a/src/battle.ts b/src/battle.ts
index 97fd8dd064c..b1fb0378e20 100644
--- a/src/battle.ts
+++ b/src/battle.ts
@@ -7,6 +7,7 @@ import { GameMode } from "./game-mode";
 import { MoneyMultiplierModifier, PokemonHeldItemModifier } from "./modifier/modifier";
 import { PokeballType } from "./data/pokeball";
 import {trainerConfigs} from "#app/data/trainer-config";
+import { ArenaTagType } from "#enums/arena-tag-type";
 import { BattleSpec } from "#enums/battle-spec";
 import { Moves } from "#enums/moves";
 import { PlayerGender } from "#enums/player-gender";
@@ -166,6 +167,10 @@ export default class Battle {
     const moneyAmount = new Utils.IntegerHolder(scene.currentBattle.moneyScattered);
     scene.applyModifiers(MoneyMultiplierModifier, true, moneyAmount);
 
+    if (scene.arena.getTag(ArenaTagType.HAPPY_HOUR)) {
+      moneyAmount.value *= 2;
+    }
+
     scene.addMoney(moneyAmount.value);
 
     scene.queueMessage(`You picked up ₽${moneyAmount.value.toLocaleString("en-US")}!`, null, true);
diff --git a/src/data/arena-tag.ts b/src/data/arena-tag.ts
index 520fbad5a5e..c49730ad9e6 100644
--- a/src/data/arena-tag.ts
+++ b/src/data/arena-tag.ts
@@ -4,7 +4,7 @@ import * as Utils from "../utils";
 import { MoveCategory, allMoves, MoveTarget } from "./move";
 import { getPokemonMessage } from "../messages";
 import Pokemon, { HitResult, PokemonMove } from "../field/pokemon";
-import { MoveEffectPhase, PokemonHealPhase, ShowAbilityPhase, StatChangePhase} from "../phases";
+import { MoveEffectPhase, PokemonHealPhase, ShowAbilityPhase, StatChangePhase } from "../phases";
 import { StatusEffect } from "./status-effect";
 import { BattlerIndex } from "../battle";
 import { BlockNonDirectDamageAbAttr, ProtectStatAbAttr, applyAbAttrs } from "./ability";
@@ -695,6 +695,20 @@ class TailwindTag extends ArenaTag {
   }
 }
 
+class HappyHourTag extends ArenaTag {
+  constructor(turnCount: integer, sourceId: integer, side: ArenaTagSide) {
+    super(ArenaTagType.HAPPY_HOUR, turnCount, Moves.HAPPY_HOUR, sourceId, side);
+  }
+
+  onAdd(arena: Arena): void {
+    arena.scene.queueMessage("Everyone is caught up in the happy atmosphere!");
+  }
+
+  onRemove(arena: Arena): void {
+    arena.scene.queueMessage("The atmosphere returned to normal.");
+  }
+}
+
 export function getArenaTag(tagType: ArenaTagType, turnCount: integer, sourceMove: Moves, sourceId: integer, targetIndex?: BattlerIndex, side: ArenaTagSide = ArenaTagSide.BOTH): ArenaTag {
   switch (tagType) {
   case ArenaTagType.MIST:
@@ -736,5 +750,7 @@ export function getArenaTag(tagType: ArenaTagType, turnCount: integer, sourceMov
     return new AuroraVeilTag(turnCount, sourceId, side);
   case ArenaTagType.TAILWIND:
     return new TailwindTag(turnCount, sourceId, side);
+  case ArenaTagType.HAPPY_HOUR:
+    return new HappyHourTag(turnCount, sourceId, side);
   }
 }
diff --git a/src/data/move.ts b/src/data/move.ts
index b78d8f799a2..3b7ed896ea0 100644
--- a/src/data/move.ts
+++ b/src/data/move.ts
@@ -7304,8 +7304,8 @@ export function initMoves() {
       .target(MoveTarget.USER_AND_ALLIES)
       .condition((user, target, move) => !![ user, user.getAlly() ].filter(p => p?.isActive()).find(p => !![ Abilities.PLUS, Abilities.MINUS].find(a => p.hasAbility(a, false)))),
     new StatusMove(Moves.HAPPY_HOUR, Type.NORMAL, -1, 30, -1, 0, 6) // No animation
-      .target(MoveTarget.USER_SIDE)
-      .unimplemented(),
+      .attr(AddArenaTagAttr, ArenaTagType.HAPPY_HOUR, null, true)
+      .target(MoveTarget.USER_SIDE),
     new StatusMove(Moves.ELECTRIC_TERRAIN, Type.ELECTRIC, -1, 10, -1, 0, 6)
       .attr(TerrainChangeAttr, TerrainType.ELECTRIC)
       .target(MoveTarget.BOTH_SIDES),
diff --git a/src/enums/arena-tag-type.ts b/src/enums/arena-tag-type.ts
index 90f45f481ba..722096c42cd 100644
--- a/src/enums/arena-tag-type.ts
+++ b/src/enums/arena-tag-type.ts
@@ -20,5 +20,6 @@ export enum ArenaTagType {
   WIDE_GUARD = "WIDE_GUARD",
   MAT_BLOCK = "MAT_BLOCK",
   CRAFTY_SHIELD = "CRAFTY_SHIELD",
-  TAILWIND = "TAILWIND"
+  TAILWIND = "TAILWIND",
+  HAPPY_HOUR = "HAPPY_HOUR"
 }
diff --git a/src/phases.ts b/src/phases.ts
index 70a4af03305..704f5e84391 100644
--- a/src/phases.ts
+++ b/src/phases.ts
@@ -4010,6 +4010,10 @@ export class MoneyRewardPhase extends BattlePhase {
 
     this.scene.applyModifiers(MoneyMultiplierModifier, true, moneyAmount);
 
+    if (this.scene.arena.getTag(ArenaTagType.HAPPY_HOUR)) {
+      moneyAmount.value *= 2;
+    }
+
     this.scene.addMoney(moneyAmount.value);
 
     const userLocale = navigator.language || "en-US";