diff --git a/frontend/js/user/badges.js b/frontend/js/user/badges.js
index 4053331a..813fb944 100644
--- a/frontend/js/user/badges.js
+++ b/frontend/js/user/badges.js
@@ -6,6 +6,10 @@ const ALL_BADGES = [
     id: "HARD_CARRY",
     title: "Solved 5+ Hard problems and 0 Easy problems over the past 7 days",
   },
+  {
+    id: "CENTURION",
+    title: "Solved a grand total of 100 or more problems",
+  },
 ];
 
 async function loadBadges(username) {
@@ -47,6 +51,15 @@ async function loadBadges(username) {
       }
     }
 
+    if (history.length >= 1) {
+      const latest = history[history.length - 1];
+      const totalSolved =
+        (latest.easy || 0) + (latest.medium || 0) + (latest.hard || 0);
+      if (totalSolved >= 100) {
+        earnedSet.add("CENTURION");
+      }
+    }
+
     if (ranks.overall && parseInt(ranks.overall.change, 10) >= 5) {
       earnedSet.add("UP_LINK");
     }
diff --git a/frontend/user.html b/frontend/user.html
index ab7c0be5..8c27a926 100644
--- a/frontend/user.html
+++ b/frontend/user.html
@@ -217,6 +217,13 @@
         text-shadow: 0 0 8px rgba(255, 0, 60, 0.5);
       }
 
+      .badge-centurion {
+        color: #ff9f1c;
+        background: rgba(255, 159, 28, 0.15);
+        border-color: rgba(255, 159, 28, 0.4);
+        text-shadow: 0 0 8px rgba(255, 159, 28, 0.5);
+      }
+
       .badge-uplink {
         color: var(--cyan);
         background: rgba(0, 229, 255, 0.1);