diff --git a/frontend/src/components/WTFModal.vue b/frontend/src/components/WTFModal.vue
new file mode 100644
index 0000000..b2641ce
--- /dev/null
+++ b/frontend/src/components/WTFModal.vue
@@ -0,0 +1,250 @@
+<script setup lang="ts">
+import { ref, onMounted, onUnmounted } from 'vue'
+import SpritePreview from './SpritePreview.vue'
+import HumanPreview from './HumanPreview.vue'
+
+defineEmits<{ close: [] }>()
+
+const currentSlide = ref(0)
+
+const slides = [
+  {
+    title: 'DEPLOY YOUR AI',
+    subtitle: 'Build a bot. Give it a webhook. Watch it fight.',
+    description: 'Your AI gets challenged with trivia, roast battles, code golf, creative writing, and more. It responds via webhook. The fight engine scores every round.',
+    color: 'cyan',
+    fighters: [
+      { seed: 'wtf_cyborg', arch: 'cyborg', tier: 4, type: 'bot' as const, pose: 'attack' as const },
+      { seed: 'wtf_android', arch: 'android', tier: 3, type: 'bot' as const, pose: 'idle' as const },
+    ],
+  },
+  {
+    title: 'FIGHT AS A HUMAN',
+    subtitle: 'Take back humanity. Fight the machines yourself.',
+    description: 'No webhook needed. Answer challenges directly in the browser with multiple choice. Prove that humans still have what it takes to beat the bots.',
+    color: 'pink',
+    fighters: [
+      { seed: 'wtf_human_samurai', arch: 'samurai', tier: 3, type: 'human' as const, pose: 'idle' as const },
+      { seed: 'wtf_robot_enemy', arch: 'robot', tier: 4, type: 'bot' as const, pose: 'attack' as const },
+    ],
+  },
+  {
+    title: 'CLASSIC BOTS',
+    subtitle: 'Practice against legendary AI fighters.',
+    description: 'Sharpen your skills against classic bots with unique personalities. From the chaotic Lobster Lord to the stoic Zen Master, each has a different fighting style.',
+    color: 'purple',
+    fighters: [
+      { seed: 'wtf_lobster_c', arch: 'lobster', tier: 5, type: 'bot' as const, pose: 'special' as const },
+      { seed: 'wtf_wizard_c', arch: 'wizard', tier: 4, type: 'bot' as const, pose: 'idle' as const },
+    ],
+  },
+  {
+    title: 'WAGER SATS',
+    subtitle: 'Put your sats where your bot is.',
+    description: 'Ranked fights cost sats to enter. Winner takes the pot. Connect a Lightning wallet or Cashu mint, climb the leaderboard, and earn bitcoin doing it.',
+    color: 'yellow',
+    fighters: [
+      { seed: 'wtf_dragon_ranked', arch: 'dragon', tier: 5, type: 'bot' as const, pose: 'win' as const },
+      { seed: 'wtf_knight_ranked', arch: 'knight', tier: 5, type: 'bot' as const, pose: 'hit' as const },
+    ],
+  },
+]
+
+function next() {
+  currentSlide.value = Math.min(currentSlide.value + 1, slides.length - 1)
+}
+
+function prev() {
+  currentSlide.value = Math.max(currentSlide.value - 1, 0)
+}
+
+function handleKey(e: KeyboardEvent) {
+  if (e.key === 'Escape') return // handled by @keydown.esc on backdrop
+  if (e.key === 'ArrowRight' || e.key === ' ') next()
+  if (e.key === 'ArrowLeft') prev()
+}
+
+onMounted(() => window.addEventListener('keydown', handleKey))
+onUnmounted(() => window.removeEventListener('keydown', handleKey))
+</script>
+
+<template>
+  <Teleport to="body">
+    <div
+      class="fixed inset-0 z-[999] flex items-center justify-center p-4"
+      @keydown.esc="$emit('close')"
+    >
+      <!-- Backdrop -->
+      <div class="absolute inset-0 bg-black/85 backdrop-blur-sm" @click="$emit('close')" />
+
+      <!-- Modal -->
+      <div class="relative w-full max-w-lg bg-surface border-2 border-border rounded-lg overflow-hidden
+                  shadow-[0_0_60px_rgba(168,85,247,0.15)]">
+
+        <!-- Close button -->
+        <button
+          class="absolute top-2 right-2 z-20 w-8 h-8 flex items-center justify-center
+                 text-text-muted hover:text-neon-pink transition-colors font-mono text-lg"
+          @click="$emit('close')"
+        >
+          &times;
+        </button>
+
+        <!-- Slide content -->
+        <div class="relative">
+          <!-- Background glow per slide color -->
+          <div
+            class="absolute inset-0 pointer-events-none"
+            :style="{
+              background: slides[currentSlide].color === 'cyan'
+                ? 'radial-gradient(ellipse at 50% 30%, rgba(0,240,255,0.12) 0%, transparent 70%)'
+                : slides[currentSlide].color === 'pink'
+                  ? 'radial-gradient(ellipse at 50% 30%, rgba(255,45,120,0.12) 0%, transparent 70%)'
+                  : slides[currentSlide].color === 'purple'
+                    ? 'radial-gradient(ellipse at 50% 30%, rgba(168,85,247,0.12) 0%, transparent 70%)'
+                    : 'radial-gradient(ellipse at 50% 30%, rgba(255,215,0,0.12) 0%, transparent 70%)'
+            }"
+          />
+
+          <!-- Scan lines -->
+          <div class="absolute inset-0 pointer-events-none opacity-[0.03]"
+               style="background: repeating-linear-gradient(0deg, transparent, transparent 2px, rgba(0,0,0,0.8) 2px, rgba(0,0,0,0.8) 4px)" />
+
+          <div class="relative z-10 px-6 pt-6 pb-4">
+
+            <!-- Slide counter -->
+            <p class="font-pixel text-[8px] text-text-muted tracking-[0.4em] mb-3 text-center">
+              {{ currentSlide + 1 }} / {{ slides.length }}
+            </p>
+
+            <!-- Title -->
+            <h2
+              class="font-neon text-2xl sm:text-3xl text-center tracking-wider leading-none mb-1"
+              :class="{
+                'text-neon-cyan glow-cyan': slides[currentSlide].color === 'cyan',
+                'text-neon-pink glow-pink': slides[currentSlide].color === 'pink',
+                'text-neon-purple glow-purple': slides[currentSlide].color === 'purple',
+                'text-neon-yellow glow-yellow': slides[currentSlide].color === 'yellow',
+              }"
+            >
+              {{ slides[currentSlide].title }}
+            </h2>
+
+            <!-- Subtitle -->
+            <p class="font-display font-bold text-xs sm:text-sm text-text-primary tracking-widest text-center mb-5 uppercase">
+              {{ slides[currentSlide].subtitle }}
+            </p>
+
+            <!-- Fighters -->
+            <div class="flex items-end justify-center gap-4 sm:gap-8 mb-5">
+              <div
+                v-for="(f, fi) in slides[currentSlide].fighters"
+                :key="`${currentSlide}-${fi}`"
+                class="relative slide-fighter"
+                :class="{ '-scale-x-100': fi === 1 }"
+                :style="{ animationDelay: fi * 0.15 + 's' }"
+              >
+                <!-- Glow behind fighter -->
+                <div
+                  class="absolute top-1/2 left-1/2 -translate-x-1/2 -translate-y-1/2 w-[160%] h-[160%] rounded-full pointer-events-none"
+                  :style="{
+                    background: slides[currentSlide].color === 'cyan'
+                      ? 'radial-gradient(circle, rgba(0,240,255,0.2) 0%, transparent 70%)'
+                      : slides[currentSlide].color === 'pink'
+                        ? 'radial-gradient(circle, rgba(255,45,120,0.2) 0%, transparent 70%)'
+                        : slides[currentSlide].color === 'purple'
+                          ? 'radial-gradient(circle, rgba(168,85,247,0.2) 0%, transparent 70%)'
+                          : 'radial-gradient(circle, rgba(255,215,0,0.2) 0%, transparent 70%)'
+                  }"
+                />
+                <SpritePreview
+                  v-if="f.type === 'bot'"
+                  :seed="f.seed"
+                  :archetype="f.arch"
+                  :tier="f.tier"
+                  :size="96"
+                  :pose="f.pose"
+                  class="relative z-10"
+                />
+                <HumanPreview
+                  v-else
+                  :seed="f.seed"
+                  :archetype="f.arch"
+                  :size="96"
+                  :win-rate="0.7"
+                  class="relative z-10"
+                />
+              </div>
+            </div>
+
+            <!-- Description -->
+            <p class="font-mono text-xs sm:text-sm text-text-secondary text-center leading-relaxed max-w-sm mx-auto">
+              {{ slides[currentSlide].description }}
+            </p>
+          </div>
+        </div>
+
+        <!-- Navigation -->
+        <div class="flex items-center justify-between px-6 pb-5 pt-2">
+          <button
+            :disabled="currentSlide === 0"
+            class="font-display font-black text-[10px] tracking-widest px-4 py-2 border transition-all
+                   disabled:opacity-20 disabled:cursor-not-allowed"
+            :class="currentSlide > 0 ? 'border-neon-cyan/40 text-neon-cyan hover:bg-neon-cyan/10' : 'border-border/30 text-text-muted'"
+            @click="prev"
+          >
+            &larr; BACK
+          </button>
+
+          <!-- Dots -->
+          <div class="flex items-center gap-2">
+            <button
+              v-for="(_, i) in slides"
+              :key="i"
+              class="w-2 h-2 rounded-full transition-all"
+              :class="i === currentSlide
+                ? 'bg-neon-purple scale-125 shadow-[0_0_6px_rgba(168,85,247,0.6)]'
+                : 'bg-border/50 hover:bg-text-muted'"
+              @click="currentSlide = i"
+            />
+          </div>
+
+          <button
+            v-if="currentSlide < slides.length - 1"
+            class="font-display font-black text-[10px] tracking-widest px-4 py-2
+                   border border-neon-pink/40 text-neon-pink hover:bg-neon-pink/10 transition-all"
+            @click="next"
+          >
+            NEXT &rarr;
+          </button>
+          <RouterLink
+            v-else
+            to="/join"
+            class="font-display font-black text-[10px] tracking-widest px-4 py-2
+                   border-2 border-neon-pink text-neon-pink hover:bg-neon-pink/20 transition-all neon-border-pink"
+            @click="$emit('close')"
+          >
+            FIGHT NOW
+          </RouterLink>
+        </div>
+      </div>
+    </div>
+  </Teleport>
+</template>
+
+<style scoped>
+.slide-fighter {
+  animation: slideIn 0.3s ease-out both;
+}
+
+@keyframes slideIn {
+  from {
+    opacity: 0;
+    transform: translateY(12px) scale(0.9);
+  }
+  to {
+    opacity: 1;
+    transform: translateY(0) scale(1);
+  }
+}
+</style>
diff --git a/frontend/src/pages/HomePage.vue b/frontend/src/pages/HomePage.vue
index 2e8e297..b964a7c 100644
--- a/frontend/src/pages/HomePage.vue
+++ b/frontend/src/pages/HomePage.vue
@@ -4,6 +4,7 @@ import { RouterLink } from 'vue-router'
 import PixelGlove from '../components/PixelGlove.vue'
 import SpritePreview from '../components/SpritePreview.vue'
 import HumanPreview from '../components/HumanPreview.vue'
+import WTFModal from '../components/WTFModal.vue'
 
 interface FightResult {
   id: string
@@ -231,6 +232,7 @@ const taglines = [
 
 const tagline = ref('')
 const isTypingDone = ref(false)
+const showWTF = ref(false)
 const recentFights = ref<FightResult[]>([])
 
 function shuffle<T>(arr: T[]): T[] {
@@ -456,7 +458,7 @@ onUnmounted(() => {
       </div>
 
       <!-- CTAs — always side by side -->
-      <div class="flex items-center justify-center gap-3 sm:gap-5 mb-8 sm:mb-10">
+      <div class="flex items-center justify-center gap-3 sm:gap-5 mb-3 sm:mb-4">
         <RouterLink
           to="/join"
           class="flex-1 sm:flex-none sm:px-10 py-3 sm:py-4 bg-neon-pink/10 border-2 border-neon-pink text-neon-pink
@@ -475,6 +477,19 @@ onUnmounted(() => {
         </RouterLink>
       </div>
 
+      <!-- WTF button -->
+      <div class="flex justify-center mb-8 sm:mb-10">
+        <button
+          class="px-8 sm:px-14 py-2.5 sm:py-3 border-2 border-neon-purple/50 text-neon-purple
+                 font-display font-black text-xs sm:text-sm tracking-[0.3em] text-center
+                 hover:border-neon-purple hover:bg-neon-purple/10 transition-all
+                 wtf-glow"
+          @click="showWTF = true"
+        >
+          WTF?
+        </button>
+      </div>
+
       <!-- Recent fights -->
       <div v-if="recentFights.length > 0">
         <p class="font-pixel text-text-muted text-xs uppercase tracking-[0.3em] mb-3">
@@ -508,6 +523,9 @@ onUnmounted(() => {
         </p>
       </div>
     </div>
+
+    <!-- WTF Modal -->
+    <WTFModal v-if="showWTF" @close="showWTF = false" />
   </div>
 </template>
 
@@ -557,4 +575,13 @@ onUnmounted(() => {
   0%, 100% { opacity: 0.6; transform: scale(1); }
   50% { opacity: 1; transform: scale(1.1); }
 }
+
+.wtf-glow {
+  animation: wtfPulse 2s ease-in-out infinite;
+}
+
+@keyframes wtfPulse {
+  0%, 100% { box-shadow: 0 0 8px rgba(168, 85, 247, 0.2); }
+  50% { box-shadow: 0 0 20px rgba(168, 85, 247, 0.4), 0 0 40px rgba(168, 85, 247, 0.15); }
+}
 </style>