diff --git a/client/src/components/AppCredits.vue b/client/src/components/AppCredits.vue
new file mode 100644
index 0000000..f7b0c06
--- /dev/null
+++ b/client/src/components/AppCredits.vue
@@ -0,0 +1,112 @@
+<template>
+  <div class="app-credits" :class="[variantClass, positionClass]" aria-label="Créditos y contacto" ref="rootEl">
+    <div class="credits-card" :class="{ collapsed }">
+      <button v-if="!collapsed" class="btn-toggle close" @click="collapse" title="Ocultar">×</button>
+
+      <template v-if="!collapsed">
+        <span>Hecho por <strong>Nucleo Inteligencia</strong></span>
+        <span class="sep">•</span>
+        <span>2025</span>
+        <span class="sep">•</span>
+        <a href="mailto:firstcontact@nucleoriofrio.com" class="credits-link">firstcontact@nucleoriofrio.com</a>
+        <span class="sep">•</span>
+        <span>Proyecto abierto, sin fines de lucro</span>
+        <span class="sep">•</span>
+        <RouterLink to="/credits" class="credits-link icon" title="Créditos detallados">ⓘ</RouterLink>
+      </template>
+
+      <template v-else>
+        <button class="btn-toggle expand" @click="expand" title="Mostrar">◄</button>
+        <RouterLink to="/credits" class="credits-link icon" title="Créditos detallados">ⓘ</RouterLink>
+      </template>
+    </div>
+  </div>
+</template>
+
+<script setup lang="ts">
+import { computed, ref, onMounted, onUnmounted, nextTick } from 'vue';
+
+interface Props { 
+  position?: 'bottom-right'|'bottom-center';
+  variant?: 'overlay'|'inline';
+}
+const props = defineProps<Props>();
+const positionClass = computed(() => (props.variant === 'inline') ? '' : (props.position || 'bottom-right'));
+const variantClass = computed(() => props.variant === 'inline' ? 'inline' : 'overlay');
+const rootEl = ref<HTMLElement | null>(null);
+const collapsed = ref(false);
+
+function setBottomGap() {
+  if (variantClass.value !== 'overlay') return;
+  try {
+    const el = rootEl.value?.querySelector('.credits-card') as HTMLElement | null;
+    const h = el ? el.offsetHeight : 0;
+    const gap = h ? h + 12 : 0;
+    document.documentElement.style.setProperty('--credits-gap', gap ? `${gap}px` : '0px');
+  } catch {}
+}
+
+function collapse() { collapsed.value = true; setTimeout(setBottomGap, 0); }
+function expand() { collapsed.value = false; setTimeout(setBottomGap, 0); }
+
+onMounted(async () => {
+  await nextTick();
+  setBottomGap();
+  window.addEventListener('resize', setBottomGap);
+  window.addEventListener('orientationchange', setBottomGap as any);
+});
+
+onUnmounted(() => {
+  if (variantClass.value === 'overlay') {
+    document.documentElement.style.setProperty('--credits-gap', '0px');
+  }
+  window.removeEventListener('resize', setBottomGap);
+  window.removeEventListener('orientationchange', setBottomGap as any);
+});
+</script>
+
+<style scoped>
+.app-credits { z-index: 40; pointer-events: none; }
+.app-credits.overlay { position: fixed; }
+.app-credits.bottom-right { right: 12px; bottom: 12px; }
+.app-credits.bottom-center { left: 50%; transform: translateX(-50%); bottom: 12px; position: fixed; }
+.app-credits.inline { position: static; margin-top: 10px; display: flex; justify-content: flex-end; }
+
+.credits-card {
+  display: inline-flex;
+  align-items: center;
+  gap: 6px;
+  padding: 6px 10px;
+  font-size: 11.5px;
+  line-height: 1.1;
+  color: #394352;
+  background: rgba(255, 255, 255, 0.322);
+  backdrop-filter: blur(6px);
+  -webkit-backdrop-filter: blur(6px);
+  border: 1px solid rgba(0,0,0,0.06);
+  border-radius: 10px;
+  box-shadow: 0 6px 18px rgba(0,0,0,0.06);
+  pointer-events: auto; /* allow clicking the mailto link */
+}
+.credits-card.collapsed { gap: 6px; padding: 4px 6px; }
+.credits-card.collapsed > span:not(.sep),
+.credits-card.collapsed > .sep,
+.credits-card.collapsed > .credits-link:not(.icon),
+.credits-card.collapsed > .btn-toggle.close { display: none; }
+.app-credits.inline .credits-card { background: rgba(255,255,255,0.14); border-color: rgba(0,0,0,0.04); }
+.credits-card strong { color: #475569; font-weight: 700; }
+.credits-card .sep { opacity: 0.55; }
+.credits-link { color: #64748b; text-decoration: none; border-bottom: 1px dotted rgba(100,116,139,0.45); }
+.credits-link:hover { color: #334155; border-bottom-color: rgba(51,65,85,0.55); }
+.credits-link.icon { border-bottom: none; display: inline-flex; align-items:center; justify-content:center; width: 18px; height: 18px; border-radius: 50%; background: rgba(255,255,255,0.6); color:#334155; font-weight: 700; font-size: 12px; box-shadow: 0 1px 3px rgba(0,0,0,0.08); }
+.credits-link.icon:hover { background: rgba(255,255,255,0.9); }
+
+.btn-toggle { appearance: none; border: none; background: transparent; color:#475569; cursor: pointer; padding: 0; margin: 0; border-radius: 6px; }
+.btn-toggle.close { font-size: 14px; line-height: 1; margin-right: 4px; }
+.btn-toggle.expand { font-size: 12px; line-height: 1; margin-right: 4px; }
+.btn-toggle:focus { outline: none; }
+
+@media (max-width: 480px) {
+  .credits-card { font-size: 11px; padding: 6px 8px; }
+}
+</style>
diff --git a/client/src/router/index.ts b/client/src/router/index.ts
index 34e5614..75569fc 100644
--- a/client/src/router/index.ts
+++ b/client/src/router/index.ts
@@ -5,6 +5,7 @@ import Dashboard from '../views/Dashboard.vue';
 import DemoGame from '../views/DemoGame.vue';
 import UuidSelector from '../views/UuidSelector.vue';
 import Leaderboard from '../views/Leaderboard.vue';
+import Credits from '../views/Credits.vue';
 
 const router = createRouter({
   history: createWebHistory(),
@@ -34,6 +35,11 @@ const router = createRouter({
       name: 'Leaderboard',
       component: Leaderboard
     },
+    {
+      path: '/credits',
+      name: 'Credits',
+      component: Credits
+    },
     {
       path: '/',
       name: 'UuidSelector',
diff --git a/client/src/views/Credits.vue b/client/src/views/Credits.vue
new file mode 100644
index 0000000..1d36815
--- /dev/null
+++ b/client/src/views/Credits.vue
@@ -0,0 +1,77 @@
+<template>
+  <div class="credits-page">
+    <div class="card">
+      <div class="header">
+        <button class="btn-back" @click="goBack" title="Volver">
+          ← Volver
+        </button>
+        <h1>Créditos de SnatchGame</h1>
+      </div>
+
+      <div class="content">
+        <p>
+          SnatchGame es un proyecto abierto y de uso público, sin fines de lucro.
+        </p>
+        <ul class="list">
+          <li>
+            Creado por <strong>Nucleo Inteligencia</strong>
+          </li>
+          <li>
+            Año de creación: <strong>2024</strong>
+          </li>
+          <li>
+            Contacto: <a href="mailto:firstcontact@nucleoriofrio.com">firstcontact@nucleoriofrio.com</a>
+          </li>
+        </ul>
+
+        <p class="note">
+          Gracias por jugar y contribuir a la comunidad. Si querés colaborar, difundir o proponer mejoras, ¡escribinos!
+        </p>
+      </div>
+    </div>
+  </div>
+</template>
+
+<script setup lang="ts">
+import { useRouter } from 'vue-router';
+const router = useRouter();
+function goBack() {
+  if (window.history.length > 1) router.back();
+  else router.push('/');
+}
+</script>
+
+<style scoped>
+.credits-page {
+  min-height: calc(var(--app-vh, 1vh) * 100);
+  background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
+  display: flex;
+  align-items: center;
+  justify-content: center;
+  padding: 20px;
+}
+.card {
+  width: 100%;
+  max-width: 780px;
+  background: rgba(255,255,255,0.85);
+  backdrop-filter: blur(8px);
+  -webkit-backdrop-filter: blur(8px);
+  border-radius: 16px;
+  border: 1px solid rgba(0,0,0,0.06);
+  box-shadow: 0 20px 60px rgba(0,0,0,0.25);
+  padding: 24px;
+}
+.header { display: flex; align-items: center; gap: 12px; margin-bottom: 12px; }
+.btn-back { background: rgba(255,255,255,0.6); border: 1px solid rgba(0,0,0,0.08); border-radius: 8px; padding: 6px 10px; cursor: pointer; }
+.header h1 { margin: 0; font-size: 20px; color: #334155; }
+.content { color: #334155; }
+.list { margin: 12px 0; padding-left: 18px; }
+.list li { margin: 6px 0; }
+.note { margin-top: 12px; font-size: 14px; color: #475569; }
+
+@media (max-width: 640px) {
+  .card { padding: 18px; }
+  .header h1 { font-size: 18px; }
+}
+</style>
+
diff --git a/client/src/views/Dashboard.vue b/client/src/views/Dashboard.vue
index e342278..e55d19d 100644
--- a/client/src/views/Dashboard.vue
+++ b/client/src/views/Dashboard.vue
@@ -231,6 +231,7 @@
       @view-details="viewRoomDetails"
       @kick-player="kickPlayer"
     />
+    <AppCredits position="bottom-right" />
   </div>
 </template>
 
@@ -238,6 +239,7 @@
 import { ref, onMounted, onUnmounted, computed } from 'vue';
 import { useRouter } from 'vue-router';
 import { colyseusService } from '../services/colyseus';
+import AppCredits from '../components/AppCredits.vue';
 import RoomCard from '../components/RoomCard.vue';
 import RoomsTable from '../components/RoomsTable.vue';
 import RoomModal from '../components/RoomModal.vue';
diff --git a/client/src/views/DemoGame.vue b/client/src/views/DemoGame.vue
index 8be6eb7..22c2d06 100644
--- a/client/src/views/DemoGame.vue
+++ b/client/src/views/DemoGame.vue
@@ -72,8 +72,10 @@
       <div class="game-footer">
         <button @click="leaveGame" class="btn btn-leave">Salir del Juego</button>
       </div>
+      <AppCredits variant="inline" />
     </div>
 
+
     <!-- Pause overlay to block all interactions -->
     <div v-if="gameStatus === 'paused'" class="pause-overlay">
       <div class="pause-box">
@@ -90,6 +92,7 @@ import { ref, onMounted, computed } from 'vue';
 import { useRouter, useRoute } from 'vue-router';
 import { colyseusService } from '../services/colyseus';
 import { getStateCallbacks } from 'colyseus.js';
+import AppCredits from '../components/AppCredits.vue';
 
 import G1 from './games/G1.vue';
 import G2 from './games/G2.vue';
diff --git a/client/src/views/Game.vue b/client/src/views/Game.vue
index d1536b2..96bef5b 100644
--- a/client/src/views/Game.vue
+++ b/client/src/views/Game.vue
@@ -69,6 +69,7 @@
       <div class="game-footer">
         <button @click="leaveGame" class="btn btn-leave">Leave Game</button>
       </div>
+      <AppCredits variant="inline" />
     </div>
   </div>
 </template>
@@ -78,6 +79,7 @@ import { ref, onMounted, onUnmounted, computed } from 'vue';
 import { useRouter, useRoute } from 'vue-router';
 import { colyseusService } from '../services/colyseus';
 import { getStateCallbacks } from 'colyseus.js';
+import AppCredits from '../components/AppCredits.vue';
 
 const router = useRouter();
 const route = useRoute();
diff --git a/client/src/views/Leaderboard.vue b/client/src/views/Leaderboard.vue
index a8b63b4..29aedfa 100644
--- a/client/src/views/Leaderboard.vue
+++ b/client/src/views/Leaderboard.vue
@@ -121,6 +121,7 @@
         totalPlayers: totalPlayersCount
       }"
     />
+    <AppCredits position="bottom-right" />
   </div>
 </template>
 
@@ -131,6 +132,7 @@ import EventChart from '../components/EventChart.vue';
 import EventFilters from '../components/EventFilters.vue';
 import DataSourceSelector from '../components/DataSourceSelector.vue';
 import GameLogo from '../components/GameLogo.vue';
+import AppCredits from '../components/AppCredits.vue';
 import { useEventFilters } from '../composables/useEventFilters';
 
 interface RoomInfo { roomId: string; metadata?: any; }
diff --git a/client/src/views/Lobby.vue b/client/src/views/Lobby.vue
index c87b9b0..bc22dfb 100644
--- a/client/src/views/Lobby.vue
+++ b/client/src/views/Lobby.vue
@@ -78,6 +78,8 @@
           </div>
         </div>
       </div>
+
+      <AppCredits variant="inline" />
     </div>
   </div>
 </template>
@@ -86,6 +88,7 @@
 import { ref, onMounted, onUnmounted, computed, watch, nextTick } from 'vue';
 import PlayerStats from './games/PlayerStats.vue';
 import GameLogo from '../components/GameLogo.vue';
+import AppCredits from '../components/AppCredits.vue';
 import { useRouter, useRoute } from 'vue-router';
 import { colyseusService } from '../services/colyseus';
 import { getStateCallbacks } from 'colyseus.js';
@@ -969,3 +972,6 @@ margin: 0 0 20px 0;
   }
 }
 </style>
+
+<!-- Credits overlay -->
+<AppCredits position="bottom-right" />
diff --git a/client/src/views/UuidSelector.vue b/client/src/views/UuidSelector.vue
index 89aa148..868c40c 100644
--- a/client/src/views/UuidSelector.vue
+++ b/client/src/views/UuidSelector.vue
@@ -87,7 +87,7 @@
             <div v-if="uuidInfo.color" class="color-indicator" :style="{ background: uuidInfo.color }"></div>
           </div>
         </div>
-        
+
         <!-- QR Mode Toggle -->
         <div class="qr-mode-container">
           <label class="qr-mode-label">
@@ -98,6 +98,19 @@
             </span>
           </label>
         </div>
+
+        <!-- Credits -->
+        <div class="credits" aria-label="Créditos y contacto">
+          <div class="credits-card">
+            <span>Hecho por <strong>Nucleo Inteligencia</strong></span>
+            <span class="sep">•</span>
+            <span>2024</span>
+            <span class="sep">•</span>
+            <a href="mailto:firstcontact@nucleoriofrio.com" class="credits-link">firstcontact@nucleoriofrio.com</a>
+            <span class="sep">•</span>
+            <span>Proyecto abierto, sin fines de lucro</span>
+          </div>
+        </div>
       </div>
       
       <!-- Context Menu -->
@@ -926,6 +939,25 @@ async function copyToClipboard() {
 .uuid-card { -webkit-tap-highlight-color: transparent; outline: none; }
 .uuid-card:focus, .uuid-card:focus-visible { outline: none; }
 
+/* Credits */
+.credits { display:flex; justify-content:center; margin-top: 14px; }
+.credits-card {
+  background: rgba(255,255,255,0.22);
+  backdrop-filter: blur(6px);
+  -webkit-backdrop-filter: blur(6px);
+  border: 1px solid rgba(0,0,0,0.04);
+  border-radius: 10px;
+  padding: 8px 12px;
+  color: #64748b;
+  font-size: 12px;
+  line-height: 1.2;
+  text-align: center;
+}
+.credits-card .sep { opacity: 0.6; margin: 0 6px; }
+.credits-card strong { color: #475569; font-weight: 700; }
+.credits-link { color: #64748b; text-decoration: none; border-bottom: 1px dotted rgba(100,116,139,0.5); }
+.credits-link:hover { color: #475569; border-bottom-color: rgba(71,85,105,0.6); }
+
 .uuids-grid {
   display: grid;
   grid-template-columns: repeat(auto-fill, minmax(180px, 1fr));