diff --git a/client/components/onboarding/RealmSelection.tsx b/client/components/onboarding/RealmSelection.tsx
new file mode 100644
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+++ b/client/components/onboarding/RealmSelection.tsx
@@ -0,0 +1,103 @@
+import { Card, CardContent, CardDescription, CardHeader, CardTitle } from "@/components/ui/card";
+import { Button } from "@/components/ui/button";
+import { CheckCircle2 } from "lucide-react";
+
+interface RealmSelectionProps {
+  selectedRealm: string;
+  onSelect: (realm: string) => void;
+  onNext: () => void;
+}
+
+const REALMS = [
+  {
+    id: "labs",
+    title: "🧪 Labs",
+    description: "Research & Development - Cutting-edge innovation and experimentation",
+    color: "from-yellow-500/20 to-yellow-600/20",
+    borderColor: "border-yellow-400",
+  },
+  {
+    id: "gameforge",
+    title: "🎮 GameForge",
+    description: "Game Development - Fast shipping cycles and game creation",
+    color: "from-green-500/20 to-green-600/20",
+    borderColor: "border-green-400",
+  },
+  {
+    id: "corp",
+    title: "💼 Corp",
+    description: "Enterprise Solutions - Professional services and consulting",
+    color: "from-blue-500/20 to-blue-600/20",
+    borderColor: "border-blue-400",
+  },
+  {
+    id: "foundation",
+    title: "🤝 Foundation",
+    description: "Community & Education - Open source and learning",
+    color: "from-red-500/20 to-red-600/20",
+    borderColor: "border-red-400",
+  },
+  {
+    id: "devlink",
+    title: "💻 Dev-Link",
+    description: "Professional Networking - Career development platform",
+    color: "from-cyan-500/20 to-cyan-600/20",
+    borderColor: "border-cyan-400",
+  },
+];
+
+export default function RealmSelection({ selectedRealm, onSelect, onNext }: RealmSelectionProps) {
+  return (
+    <div className="space-y-6">
+      <div>
+        <h2 className="text-2xl font-bold text-white mb-2">Choose Your Primary Realm</h2>
+        <p className="text-gray-400">
+          Select the AeThex realm that best matches your primary focus. You can always change this later.
+        </p>
+      </div>
+
+      <div className="grid grid-cols-1 md:grid-cols-2 gap-4">
+        {REALMS.map(realm => (
+          <div
+            key={realm.id}
+            onClick={() => onSelect(realm.id)}
+            className={`cursor-pointer transition-all duration-200 transform hover:scale-105 ${
+              selectedRealm === realm.id ? "scale-105" : ""
+            }`}
+          >
+            <Card
+              className={`h-full border-2 ${realm.borderColor} ${
+                selectedRealm === realm.id ? "ring-2 ring-offset-2 ring-white" : ""
+              } hover:shadow-lg transition-shadow`}
+            >
+              <CardHeader>
+                <div className="flex items-start justify-between">
+                  <div>
+                    <CardTitle className="text-lg">{realm.title}</CardTitle>
+                  </div>
+                  {selectedRealm === realm.id && (
+                    <CheckCircle2 className="h-6 w-6 text-green-500 flex-shrink-0" />
+                  )}
+                </div>
+              </CardHeader>
+              <CardContent>
+                <CardDescription className="text-sm">{realm.description}</CardDescription>
+              </CardContent>
+            </Card>
+          </div>
+        ))}
+      </div>
+
+      <div className="flex justify-between pt-8">
+        <div />
+        <Button
+          onClick={onNext}
+          disabled={!selectedRealm}
+          className="bg-gradient-to-r from-purple-500 to-pink-500 hover:from-purple-600 hover:to-pink-600 text-white"
+        >
+          Continue
+        </Button>
+      </div>
+    </div>
+  );
+}