diff --git a/src/app/problems/components/ProblemCard.tsx b/src/app/problems/components/ProblemCard.tsx
index 1e7f9b6..e9239fe 100644
--- a/src/app/problems/components/ProblemCard.tsx
+++ b/src/app/problems/components/ProblemCard.tsx
@@ -1,23 +1,18 @@
 import { Button } from "@/components/ui/button";
-import { Clock, Zap, Users } from "lucide-react";
-
-interface ProblemCardProps {
-  name: string;
-  difficulty: "easy" | "medium" | "hard";
-  tags: string[];
-  bestTime?: string;
-  attempts: number;
-  index?: number;
-}
+import { Problem } from "@/modules/problems/types";
+import { Clock, Zap, Users, Code } from "lucide-react";
 
 const ProblemCard = ({
-  name,
-  difficulty,
-  tags,
-  bestTime,
-  attempts,
+  problem,
   index = 0,
-}: ProblemCardProps) => {
+  bestTime,
+  attempts = 0,
+}: {
+  problem: Problem;
+  index?: number;
+  bestTime?: string;
+  attempts?: number;
+}) => {
   const difficultyStyles = {
     easy: "diff-easy",
     medium: "diff-medium",
@@ -46,29 +41,30 @@ const ProblemCard = ({
         {/* Header */}
         <div className="flex items-start justify-between mb-3">
           <h3 className="font-semibold text-foreground group-hover:text-primary transition-colors">
-            {name}
+            {problem.title}
           </h3>
           <span
-            className={`px-2 py-1 rounded-md text-xs font-medium ${difficultyStyles[difficulty]}`}
+            className={`px-2 py-1 rounded-md text-xs font-medium ${
+              difficultyStyles[problem.difficulty]
+            }`}
           >
-            {difficultyLabels[difficulty]}
+            {difficultyLabels[problem.difficulty]}
           </span>
         </div>
 
-        {/* Tags */}
-        <div className="flex flex-wrap gap-2 mb-4">
-          {tags.map((tag) => (
-            <span
-              key={tag}
-              className="px-2 py-1 rounded-md bg-secondary text-muted-foreground text-xs"
-            >
-              {tag}
+        {/* Tags / Meta */}
+        <div className="flex flex-wrap gap-2 mb-4 text-xs text-muted-foreground">
+          {problem.language && (
+            <span className="px-2 py-1 rounded-md bg-secondary">
+              <Code className="w-3 h-3 inline-block mr-1" /> {problem.language}
             </span>
-          ))}
+          )}
         </div>
 
-        {/* Spacer */}
-        <div className="flex-1" />
+        {/* Description */}
+        <p className="text-sm text-muted-foreground flex-1">
+          {problem.description}
+        </p>
 
         {/* Stats + Action */}
         <div className="flex items-center justify-between mt-4 text-sm text-muted-foreground">
diff --git a/src/app/problems/page.tsx b/src/app/problems/page.tsx
index 02cb1ce..4eacb13 100644
--- a/src/app/problems/page.tsx
+++ b/src/app/problems/page.tsx
@@ -14,6 +14,8 @@ import { getProblems } from "@/modules/problems/actions";
 export default function Problems() {
   const [problems, problemsLoaded, problemsError] = useAction(getProblems);
 
+  console.log(problems);
+
   const [viewMode, setViewMode] = useState<"grid" | "list">("grid");
 
   const difficulties = ["All", "Easy", "Medium", "Hard"];
@@ -84,7 +86,7 @@ export default function Problems() {
         >
           {problems &&
             problems.map((problem, i) => (
-              <ProblemCard key={problem.name} {...problem} index={i} />
+              <ProblemCard key={problem.title} index={i} problem={problem} />
             ))}
         </div>
       </div>
diff --git a/src/app/run/page.tsx b/src/app/run/page.tsx
index e2c1107..a43d804 100644
--- a/src/app/run/page.tsx
+++ b/src/app/run/page.tsx
@@ -45,11 +45,15 @@ export default function Run() {
 
           <div className="flex-1">
             <ProblemCard
-              name="Idk"
-              difficulty="hard"
-              tags={[]}
-              attempts={0}
               index={4}
+              problem={{
+                id: "fix-auth-callback",
+                title: "Fix the Broken Auth Callback",
+                description:
+                  "Users can log in with OAuth, but sessions aren't persisted. Fix it.",
+                language: "typescript",
+                difficulty: "easy",
+              }}
             />
           </div>
         </div>
diff --git a/src/modules/problems/actions.ts b/src/modules/problems/actions.ts
index 0d587ef..a549c80 100644
--- a/src/modules/problems/actions.ts
+++ b/src/modules/problems/actions.ts
@@ -4,90 +4,5 @@ import * as Core from "./core";
 import { Problem } from "./types";
 
 export async function getProblems(): Promise<Problem[]> {
-  return [
-    {
-      name: "Two Sum Dash",
-      difficulty: "easy" as const,
-      tags: ["arrays", "hash-map"],
-      bestTime: "0:42",
-      attempts: 12453,
-    },
-    {
-      name: "Binary Sprint",
-      difficulty: "easy" as const,
-      tags: ["binary-search"],
-      bestTime: "0:38",
-      attempts: 8921,
-    },
-    {
-      name: "Linked List Rush",
-      difficulty: "medium" as const,
-      tags: ["linked-list", "pointers"],
-      bestTime: "1:24",
-      attempts: 6234,
-    },
-    {
-      name: "Tree Traverse Blitz",
-      difficulty: "medium" as const,
-      tags: ["trees", "recursion"],
-      bestTime: "2:01",
-      attempts: 5102,
-    },
-    {
-      name: "DP Gauntlet",
-      difficulty: "hard" as const,
-      tags: ["dynamic-programming"],
-      bestTime: "4:32",
-      attempts: 2341,
-    },
-    {
-      name: "Graph Navigator",
-      difficulty: "hard" as const,
-      tags: ["graphs", "bfs", "dfs"],
-      bestTime: "3:45",
-      attempts: 3456,
-    },
-    {
-      name: "String Scramble",
-      difficulty: "easy" as const,
-      tags: ["strings", "manipulation"],
-      bestTime: "0:55",
-      attempts: 9876,
-    },
-    {
-      name: "Stack Overflow",
-      difficulty: "medium" as const,
-      tags: ["stacks", "queues"],
-      bestTime: "1:42",
-      attempts: 4567,
-    },
-    {
-      name: "Heap Hero",
-      difficulty: "hard" as const,
-      tags: ["heaps", "priority-queue"],
-      bestTime: "3:21",
-      attempts: 1890,
-    },
-    {
-      name: "Sliding Window Slam",
-      difficulty: "medium" as const,
-      tags: ["sliding-window", "arrays"],
-      bestTime: "1:56",
-      attempts: 5678,
-    },
-    {
-      name: "Trie Triumph",
-      difficulty: "hard" as const,
-      tags: ["trie", "strings"],
-      bestTime: "4:12",
-      attempts: 1234,
-    },
-    {
-      name: "Backtrack Blaster",
-      difficulty: "hard" as const,
-      tags: ["backtracking", "recursion"],
-      bestTime: "5:01",
-      attempts: 987,
-    },
-  ];
+  return await Core.getProblems();
 }
diff --git a/src/modules/problems/core.ts b/src/modules/problems/core.ts
index a59f71d..0189644 100644
--- a/src/modules/problems/core.ts
+++ b/src/modules/problems/core.ts
@@ -1,3 +1,46 @@
 "use server";
 
 import "server-only";
+import { ProblemDefinition } from "./types";
+
+const problems: ProblemDefinition[] = [
+  {
+    id: "fix-auth-callback",
+    title: "Fix the Broken Auth Callback",
+    description:
+      "Users can log in with OAuth, but sessions aren't persisted. Fix it.",
+    language: "typescript",
+    difficulty: "easy",
+    validate100: () => true,
+    validateAny: () => true,
+  },
+  {
+    id: "fix-prod-build",
+    title: "Patch a Failing Production Build",
+    description:
+      "Production build fails while development works. Fix the build.",
+    language: "javascript",
+    difficulty: "easy",
+    validate100: () => true,
+    validateAny: () => true,
+  },
+  {
+    id: "add-user-profile-endpoint",
+    title: "Implement Missing API Endpoint",
+    description: "The frontend expects `/api/me`. Implement it correctly.",
+    language: "go",
+    difficulty: "easy",
+    validate100: () => true,
+    validateAny: () => true,
+  },
+];
+
+export async function getProblems() {
+  return problems.map((def) => ({
+    id: def.id,
+    title: def.title,
+    description: def.description,
+    difficulty: def.difficulty,
+    language: def.language,
+  }));
+}
diff --git a/src/modules/problems/types.ts b/src/modules/problems/types.ts
index 6610746..50478c1 100644
--- a/src/modules/problems/types.ts
+++ b/src/modules/problems/types.ts
@@ -1,7 +1,24 @@
+export type ProblemValidator = (submission: any) => boolean;
+
 export interface Problem {
-  name: string;
+  id: string;
+  title: string;
+  description: string;
   difficulty: "easy" | "medium" | "hard";
-  tags: string[];
-  bestTime?: string;
-  attempts: number;
+  language:
+    | "rust"
+    | "go"
+    | "java"
+    | "javascript"
+    | "typescript"
+    | "python"
+    | null;
+}
+
+export interface ProblemDefinition extends Problem {
+  /* Any% validator */
+  validateAny: ProblemValidator;
+  /* 100% validator */
+  validate100: ProblemValidator;
+  metadata?: Record<string, any>; // optional extra info like time limits, refs
 }