diff --git a/client/src/components/DashboardActions.vue b/client/src/components/DashboardActions.vue
new file mode 100644
index 0000000..4bf37b8
--- /dev/null
+++ b/client/src/components/DashboardActions.vue
@@ -0,0 +1,112 @@
+<template>
+  <div class="actions-container">
+    <div class="section-header">
+      <h2>📥 Export / Tools</h2>
+    </div>
+    <div class="buttons">
+      <button class="btn btn-export" @click="downloadCsv">Descargar resultados (CSV)</button>
+    </div>
+  </div>
+</template>
+
+<script setup lang="ts">
+import { computed } from 'vue';
+
+interface PlayerRow {
+  sessionId: string;
+  uuid?: string;
+  name: string;
+  role: 'P1' | 'P2' | '';
+  pavoTokens?: number;
+  eloteTokens?: number;
+  shameTokens?: number;
+  color?: string;
+}
+
+interface RoomDetail {
+  roomId: string;
+  players?: PlayerRow[];
+  gameStatus?: string;
+  variant?: string;
+  round?: number;
+}
+
+const props = defineProps<{ rooms: any[]; roomDetails: { [key: string]: RoomDetail } }>();
+
+const gameRooms = computed(() => props.rooms.filter(r => r.name === 'game'));
+
+function csvEscape(v: any): string {
+  const s = String(v ?? '').replace(/\r?\n/g, ' ');
+  if (/[",]/.test(s)) return '"' + s.replace(/"/g, '""') + '"';
+  return s;
+}
+
+function buildCsv(): string {
+  const headers = [
+    'roomId', 'variant', 'round', 'status',
+    'p1_name', 'p1_pavo', 'p1_elote',
+    'p2_name', 'p2_pavo', 'p2_elote'
+  ];
+  const lines: string[] = [headers.join(',')];
+
+  gameRooms.value.forEach(room => {
+    const det = props.roomDetails[room.roomId] || {};
+    const status = (det as any).gameStatus || room?.metadata?.gameStatus || 'waiting';
+    const variant = (det as any).variant || room?.metadata?.currentVariant || 'G1';
+    const round = (det as any).round || room?.metadata?.currentRound || 1;
+    const players = (det.players || []) as PlayerRow[];
+    const p1 = players.find(p => p.role === 'P1') || players[0] || ({} as any);
+    const p2 = players.find(p => p.role === 'P2') || players[1] || ({} as any);
+
+    const row = [
+      room.roomId,
+      variant,
+      round,
+      status,
+      p1?.name || '',
+      p1?.pavoTokens ?? 0,
+      p1?.eloteTokens ?? 0,
+      p2?.name || '',
+      p2?.pavoTokens ?? 0,
+      p2?.eloteTokens ?? 0
+    ].map(csvEscape).join(',');
+    lines.push(row);
+  });
+
+  return lines.join('\n') + '\n';
+}
+
+function downloadCsv() {
+  const csv = buildCsv();
+  const blob = new Blob([csv], { type: 'text/csv;charset=utf-8;' });
+  const url = URL.createObjectURL(blob);
+  const now = new Date();
+  const pad = (n: number) => String(n).padStart(2, '0');
+  const fname = `snatch-results-${now.getFullYear()}${pad(now.getMonth()+1)}${pad(now.getDate())}-${pad(now.getHours())}${pad(now.getMinutes())}${pad(now.getSeconds())}.csv`;
+  const a = document.createElement('a');
+  a.href = url;
+  a.download = fname;
+  document.body.appendChild(a);
+  a.click();
+  document.body.removeChild(a);
+  URL.revokeObjectURL(url);
+}
+</script>
+
+<style scoped>
+.actions-container { 
+  margin-bottom: 24px; 
+  background: rgba(255,255,255,0.1); 
+  border-radius: 12px; 
+  padding: 16px; 
+}
+.section-header { 
+  display:flex; align-items:center; justify-content:space-between; margin-bottom:10px; 
+}
+.section-header h2 { margin:0; font-size: 1.3rem; }
+.buttons { display:flex; gap: 10px; flex-wrap: wrap; }
+.btn { padding: 10px 14px; border:none; border-radius: 10px; font-weight:700; cursor:pointer; }
+.btn-export { background: linear-gradient(135deg, #10b981 0%, #059669 100%); color:white; }
+.btn-export:hover { filter: brightness(1.05); }
+</style>
+
diff --git a/client/src/views/Dashboard.vue b/client/src/views/Dashboard.vue
index e033606..69fb18e 100644
--- a/client/src/views/Dashboard.vue
+++ b/client/src/views/Dashboard.vue
@@ -123,6 +123,14 @@
               >
                 🏠 Send All to Lobby
               </button>
+              <button 
+                @click="resetAllUuidProfiles" 
+                class="btn btn-reset-profiles"
+                :disabled="isLoadingGlobal"
+                title="Borrar nombre, color y vergüenza de todos los UUIDs"
+              >
+                🧹 Reset All UUID Profiles
+              </button>
             </div>
           </div>
         </div>
@@ -443,8 +451,8 @@ async function pauseAllGames() {
     console.error('Failed to pause all games:', error);
     alert('Failed to pause all games. Check console for details.');
   } finally {
-    isLoadingGlobal.value = false;
-  }
+  isLoadingGlobal.value = false;
+}
 }
 
 async function resumeAllGames() {
@@ -561,6 +569,40 @@ async function sendAllToLobby() {
   }
 }
 
+async function resetAllUuidProfiles() {
+  if (!confirm('¿Seguro que deseas resetear nombre, color y vergüenza de TODOS los UUIDs? Esta acción no se puede deshacer.')) return;
+  isLoadingGlobal.value = true;
+  try {
+    const response = await fetch(`${apiBase()}/admin/reset-uuid-profiles`, {
+      method: 'POST',
+      headers: { 'Content-Type': 'application/json' }
+    });
+    if (!response.ok) throw new Error('Failed to reset UUID profiles');
+    const result = await response.json();
+    console.log(result?.message || 'UUID profiles reset');
+    alert(result?.message || 'UUID profiles reset');
+    await fetchData();
+  } catch (error) {
+    console.error('Failed to reset UUID profiles:', error);
+    alert('Failed to reset UUID profiles. Check console for details.');
+  } finally {
+    isLoadingGlobal.value = false;
+  }
+}
+
+// Build API base from env or current origin
+function apiBase(): string {
+  try {
+    const raw = (import.meta.env as any)?.VITE_API_URL as string | undefined;
+    const env = (raw || '').trim();
+    if (env) return env.replace(/\/$/, '');
+    const origin = typeof window !== 'undefined' ? window.location.origin : 'http://localhost:3000';
+    return `${origin.replace(/\/$/, '')}/api`;
+  } catch {
+    return 'http://localhost:3000/api';
+  }
+}
+
 function initSSE() {
   try {
     console.log('[Dashboard] Initializing SSE connection...');
@@ -853,6 +895,11 @@ const selectedRoom = computed(() => {
   color: white;
 }
 
+.btn-reset-profiles {
+  background: linear-gradient(135deg, #6b7280 0%, #374151 100%);
+  color: white;
+}
+
 .btn:disabled {
   opacity: 0.5;
   cursor: not-allowed;
diff --git a/client/src/views/DemoGame.vue b/client/src/views/DemoGame.vue
index bb96842..9e713f7 100644
--- a/client/src/views/DemoGame.vue
+++ b/client/src/views/DemoGame.vue
@@ -1,5 +1,20 @@
 <template>
   <div class="game">
+    <!-- End of game modal overlay -->
+    <div v-if="endModal.visible" class="end-modal-overlay" @click.self="dismissEndModal">
+      <div class="end-modal">
+        <button class="close-btn" @click="dismissEndModal" aria-label="Cerrar">×</button>
+        <div class="title">🏁 Juego finalizado</div>
+        <div class="scores">
+          <div v-for="s in finalScores" :key="s.sessionId" class="score-row">
+            <span class="name">{{ s.name }}</span>
+            <span class="tokens">🦃 {{ s.pavo }} · 🌽 {{ s.elote }}</span>
+            <span class="points">Puntos: {{ s.points }}</span>
+          </div>
+        </div>
+        <div class="hint">Se cerrará en {{ remainingSeconds }}s</div>
+      </div>
+    </div>
     <div class="game-container">
       <div class="game-header">
         <h1>🧪 Demo Room</h1>
@@ -99,6 +114,58 @@ const outcomeP2 = ref(0);
 
 const variants = ['G1','G2','G3','G4','G5'];
 
+// End-of-game modal state and helpers
+const endModal = ref<{ visible: boolean }>({ visible: false });
+const remainingSeconds = ref(10);
+let endTimerTimeout: any = null;
+let endTimerInterval: any = null;
+
+function showEndModal() {
+  // Prevent multiple timers
+  if (endModal.value.visible) return;
+  endModal.value.visible = true;
+  remainingSeconds.value = 10;
+  if (endTimerInterval) clearInterval(endTimerInterval);
+  if (endTimerTimeout) clearTimeout(endTimerTimeout);
+  endTimerInterval = setInterval(() => {
+    remainingSeconds.value = Math.max(0, remainingSeconds.value - 1);
+  }, 1000);
+  endTimerTimeout = setTimeout(() => {
+    dismissEndModal();
+  }, 10000);
+}
+
+function dismissEndModal() {
+  endModal.value.visible = false;
+  if (endTimerInterval) { clearInterval(endTimerInterval); endTimerInterval = null; }
+  if (endTimerTimeout) { clearTimeout(endTimerTimeout); endTimerTimeout = null; }
+}
+
+const finalScores = computed(() => {
+  return players.value.map(p => {
+    const points = (p.role === 'P2')
+      ? (p.eloteTokens || 0) * 1 + (p.pavoTokens || 0) * 2
+      : (p.pavoTokens || 0) * 1 + (p.eloteTokens || 0) * 2;
+    return {
+      sessionId: p.sessionId,
+      name: p.name,
+      pavo: p.pavoTokens || 0,
+      elote: p.eloteTokens || 0,
+      points
+    };
+  }).sort((a, b) => b.points - a.points);
+});
+
+// Round transition banner state and helper
+const roundBanner = ref<{ visible: boolean; text: string; kind: 'start'|'end' }>({ visible: false, text: '', kind: 'start' });
+let roundBannerTimeout: any = null;
+
+function showRoundBanner(text: string, kind: 'start'|'end', ms = 1400) {
+  if (roundBannerTimeout) { clearTimeout(roundBannerTimeout); roundBannerTimeout = null; }
+  roundBanner.value = { visible: true, text, kind };
+  roundBannerTimeout = setTimeout(() => { roundBanner.value.visible = false; }, ms);
+}
+
 const sessionId = computed(() => colyseusService.sessionId.value);
 const myRole = computed(() => {
   const me = players.value.find(p => p.sessionId === sessionId.value);
@@ -141,7 +208,12 @@ onMounted(() => {
     gameStatus.value = state.gameStatus || 'waiting';
   });
 
-  $(room.state).listen("gameStatus", (value: string) => { gameStatus.value = value; });
+  $(room.state).listen("gameStatus", (value: string) => { 
+    gameStatus.value = value; 
+    if ((value || '').toLowerCase() === 'finished') {
+      showEndModal();
+    }
+  });
   $(room.state).listen("roomId", (value: string) => { roomId.value = value; });
   $(room.state).listen("currentVariant", (value: string) => { currentVariant.value = value as any; });
   $(room.state).listen("currentRound", (value: number) => { currentRound.value = value; });
@@ -186,9 +258,7 @@ onMounted(() => {
     colyseusService.playerName.value = info.name;
   });
 
-  room.onMessage("gameEnd", () => {
-    // no-op for local storage
-  });
+  room.onMessage("gameEnd", () => { showEndModal(); });
 
   // Register additional message handlers to avoid warnings
   room.onMessage("gamePaused", () => {
@@ -203,6 +273,8 @@ onMounted(() => {
     currentVariant.value = data.variant as any;
   });
 
+  // No round transition banners
+
   // Handle room closure/disconnection
   room.onLeave((code: number) => {
     console.log('[DemoGame] Room disconnected with code:', code);
@@ -266,6 +338,17 @@ function leaveGame() {
 
 <style scoped>
 .game { min-height: 100vh; background: linear-gradient(135deg, #667eea 0%, #764ba2 100%); display:flex; align-items:center; justify-content:center; padding:20px; }
+.end-modal-overlay { position: fixed; inset: 0; background: rgba(0,0,0,0.55); display:flex; align-items:center; justify-content:center; z-index: 1200; }
+.end-modal { position: relative; background: white; color:#111; border-radius: 16px; padding: 24px 24px 18px; width: min(520px, 92vw); box-shadow: 0 30px 80px rgba(0,0,0,0.5); border:1px solid #e5e7eb; }
+.end-modal .close-btn { position:absolute; top:8px; right:8px; width:32px; height:32px; border-radius: 8px; border:1px solid #e5e7eb; background:#f8fafc; color:#111; font-weight:800; cursor:pointer; }
+.end-modal .close-btn:hover { background:#eef2ff; }
+.end-modal .title { font-size: 20px; font-weight: 900; margin-bottom: 8px; }
+.end-modal .scores { display:flex; flex-direction:column; gap:8px; margin: 8px 0 12px; }
+.end-modal .score-row { display:flex; align-items:center; justify-content:space-between; gap:8px; background:#f8fafc; border:1px solid #e5e7eb; border-radius: 10px; padding:8px 10px; }
+.end-modal .score-row .name { font-weight:800; color:#1f2937; }
+.end-modal .score-row .tokens { font-weight:700; color:#374151; }
+.end-modal .score-row .points { font-weight:900; color:#111827; }
+.end-modal .hint { font-size: 12px; color:#6b7280; text-align:right; }
 .game-container { background: white; border-radius: 20px; padding: 24px; max-width: 1000px; width: 100%; box-shadow: 0 20px 60px rgba(0,0,0,0.3); }
 .game-header { display:flex; align-items: center; justify-content: space-between; gap: 12px; margin-bottom: 12px; flex-wrap: wrap; }
 .game-header h1 { margin: 0; font-size: 20px; }
diff --git a/server/src/adminApi.ts b/server/src/adminApi.ts
index dcec1bc..e20b132 100644
--- a/server/src/adminApi.ts
+++ b/server/src/adminApi.ts
@@ -336,6 +336,32 @@ adminRouter.post("/admin/send-all-to-lobby", async (req: Request, res: Response)
   }
 });
 
+// Reset all stored UUID profiles (name, color, shame tokens)
+adminRouter.post("/admin/reset-uuid-profiles", async (req: Request, res: Response) => {
+  try {
+    const allowlist = listAllowedUuids();
+    const known = NameManager.getInstance().getAllKnownUuids();
+    const all = Array.from(new Set([...(allowlist || []), ...(known || [])]));
+
+    let resetCount = 0;
+    all.forEach(uuid => {
+      if (uuid) {
+        NameManager.getInstance().clearPlayerProfile(uuid);
+        resetCount++;
+      }
+    });
+
+    // Optionally, we could also update active rooms, but we keep it as future joins behavior.
+    // Broadcast dashboard update so clients refresh any derived data
+    setTimeout(() => { try { broadcastDashboardUpdate(); } catch {} }, 100);
+
+    res.json({ success: true, message: `Reset profiles for ${resetCount} UUIDs` });
+  } catch (error) {
+    console.error("[AdminAPI] Error resetting UUID profiles:", error);
+    res.status(500).json({ error: "Failed to reset UUID profiles" });
+  }
+});
+
 adminRouter.post("/admin/shuffle-players", async (req: Request, res: Response) => {
   try {
     console.log("[AdminAPI] Starting player shuffle...");
diff --git a/server/src/utils/nameManager.ts b/server/src/utils/nameManager.ts
index 5129bf9..568d76e 100644
--- a/server/src/utils/nameManager.ts
+++ b/server/src/utils/nameManager.ts
@@ -71,6 +71,15 @@ export class NameManager {
     return Array.from(this.uuidToName.values());
   }
 
+  // List all UUIDs that have any stored profile data
+  getAllKnownUuids(): string[] {
+    const set = new Set<string>();
+    this.uuidToName.forEach((_, k) => set.add(k));
+    this.uuidToColor.forEach((_, k) => set.add(k));
+    this.uuidToShame.forEach((_, k) => set.add(k));
+    return Array.from(set.values());
+  }
+
   // Sticky shame tokens per UUID
   setShameTokens(uuid: string, count: number): void {
     const n = Math.max(0, Math.floor(count || 0));
@@ -81,6 +90,14 @@ export class NameManager {
     return this.uuidToShame.get(uuid) || 0;
   }
 
+  // Clear stored profile data for a UUID (name, color, shame)
+  clearPlayerProfile(uuid: string): void {
+    if (!uuid) return;
+    this.uuidToName.delete(uuid);
+    this.uuidToColor.delete(uuid);
+    this.uuidToShame.set(uuid, 0);
+  }
+
   // Current game room assignment (for reconnection by UUID)
   setCurrentRoom(uuid: string, roomId: string): void {
     if (!uuid || !roomId) return;