diff --git a/test/api/v3/integration/user/auth/POST-register_local.test.js b/test/api/v3/integration/user/auth/POST-register_local.test.js
index 39683ce5b4..18eedd7c0f 100644
--- a/test/api/v3/integration/user/auth/POST-register_local.test.js
+++ b/test/api/v3/integration/user/auth/POST-register_local.test.js
@@ -516,6 +516,28 @@ describe('POST /user/auth/local/register', () => {
       });
     });
 
+    it('awards achievement to inviter', async () => {
+      let { group, groupLeader } = await createAndPopulateGroup({
+        groupDetails: { type: 'party', privacy: 'private' },
+      });
+
+      let invite = encrypt(JSON.stringify({
+        id: group._id,
+        inviter: groupLeader._id,
+        sentAt: Date.now(),
+      }));
+
+      await api.post(`/user/auth/local/register?groupInvite=${invite}`, {
+        username,
+        email,
+        password,
+        confirmPassword: password,
+      });
+
+      await groupLeader.sync();
+      expect(groupLeader.achievements.invitedFriend).to.be.true;
+    });
+
     it('user not added to a party on expired invite', async () => {
       let { group, groupLeader } = await createAndPopulateGroup({
         groupDetails: { type: 'party', privacy: 'private' },
diff --git a/website/assets/sprites/spritesmith/achievements/achievement-friends2x.png b/website/assets/sprites/spritesmith/achievements/achievement-friends2x.png
new file mode 100644
index 0000000000..cf70f7c5ca
Binary files /dev/null and b/website/assets/sprites/spritesmith/achievements/achievement-friends2x.png differ
diff --git a/website/client-old/js/controllers/notificationCtrl.js b/website/client-old/js/controllers/notificationCtrl.js
index 0653b88e10..2caf517039 100644
--- a/website/client-old/js/controllers/notificationCtrl.js
+++ b/website/client-old/js/controllers/notificationCtrl.js
@@ -228,6 +228,10 @@ habitrpg.controller('NotificationCtrl',
             $rootScope.playSound('Achievement_Unlocked');
             Achievement.displayAchievement('joinedChallenge', {size: 'md'});
             break;
+          case 'INVITED_FRIEND_ACHIEVEMENT':
+            $rootScope.playSound('Achievement_Unlocked');
+            Achievement.displayAchievement('invitedFriend', {size: 'md'});
+            break;
           case 'NEW_CONTRIBUTOR_LEVEL':
             $rootScope.playSound('Achievement_Unlocked');
             Achievement.displayAchievement('contributor', {size: 'md'});
diff --git a/website/common/locales/en/groups.json b/website/common/locales/en/groups.json
index 2d6ee1c816..99338176d7 100644
--- a/website/common/locales/en/groups.json
+++ b/website/common/locales/en/groups.json
@@ -149,6 +149,8 @@
   "sendInvitations": "Send Invitations",
   "invitationsSent": "Invitations sent!",
   "invitationSent": "Invitation sent!",
+  "invitedFriend": "Invited a Friend",
+  "invitedFriendText": "This user invited a friend (or friends) who joined them on their adventure!",
   "inviteAlertInfo2": "Or share this link (copy/paste):",
   "inviteLimitReached": "You have already sent the maximum number of email invitations. We have a limit to prevent spamming, however if you would like more, please contact us at <%= techAssistanceEmail %> and we'll be happy to discuss it!",
   "sendGiftHeading": "Send Gift to <%= name %>",
diff --git a/website/common/script/content/achievements.js b/website/common/script/content/achievements.js
index ca2a7f9089..ad024101ed 100644
--- a/website/common/script/content/achievements.js
+++ b/website/common/script/content/achievements.js
@@ -112,6 +112,11 @@ let basicAchievs = {
     titleKey: 'joinedChallenge',
     textKey: 'joinedChallengeText',
   },
+  invitedFriend: {
+    icon: 'achievement-friends',
+    titleKey: 'invitedFriend',
+    textKey: 'invitedFriendText',
+  },
 };
 Object.assign(achievementsData, basicAchievs);
 
diff --git a/website/common/script/libs/achievements.js b/website/common/script/libs/achievements.js
index 1d801d7d76..aa742b7960 100644
--- a/website/common/script/libs/achievements.js
+++ b/website/common/script/libs/achievements.js
@@ -182,6 +182,7 @@ function _getBasicAchievements (user, language) {
   _addSimple(result, user, {path: 'joinedGuild', language});
   _addSimple(result, user, {path: 'royallyLoyal', language});
   _addSimple(result, user, {path: 'joinedChallenge', language});
+  _addSimple(result, user, {path: 'invitedFriend', language});
 
   _addSimpleWithMasterCount(result, user, {path: 'beastMaster', language});
   _addSimpleWithMasterCount(result, user, {path: 'mountMaster', language});
diff --git a/website/server/controllers/api-v3/auth.js b/website/server/controllers/api-v3/auth.js
index 53a3548884..8990a40c98 100644
--- a/website/server/controllers/api-v3/auth.js
+++ b/website/server/controllers/api-v3/auth.js
@@ -49,6 +49,14 @@ async function _handleGroupInvitation (user, invite) {
     } else {
       user.invitations.guilds.push({id: group._id, name: group.name, inviter});
     }
+
+    // award the inviter with 'Invited a Friend' achievement
+    inviter = await User.findById(inviter);
+    if (!inviter.achievements.invitedFriend) {
+      inviter.achievements.invitedFriend = true;
+      inviter.addNotification('INVITED_FRIEND_ACHIEVEMENT');
+      await inviter.save();
+    }
   } catch (err) {
     logger.error(err);
   }
diff --git a/website/server/models/user/schema.js b/website/server/models/user/schema.js
index 915ed65c05..454d697b14 100644
--- a/website/server/models/user/schema.js
+++ b/website/server/models/user/schema.js
@@ -117,6 +117,7 @@ let schema = new Schema({
     royallyLoyal: Boolean,
     joinedGuild: Boolean,
     joinedChallenge: Boolean,
+    invitedFriend: Boolean,
   },
 
   backer: {
diff --git a/website/server/models/userNotification.js b/website/server/models/userNotification.js
index 72f790a56a..f0e445e524 100644
--- a/website/server/models/userNotification.js
+++ b/website/server/models/userNotification.js
@@ -21,6 +21,7 @@ const NOTIFICATION_TYPES = [
   'GUILD_PROMPT',
   'GUILD_JOINED_ACHIEVEMENT',
   'CHALLENGE_JOINED_ACHIEVEMENT',
+  'INVITED_FRIEND_ACHIEVEMENT',
 ];
 
 const Schema = mongoose.Schema;
diff --git a/website/views/shared/modals/achievements.jade b/website/views/shared/modals/achievements.jade
index 179c59a9b3..16f93961be 100644
--- a/website/views/shared/modals/achievements.jade
+++ b/website/views/shared/modals/achievements.jade
@@ -174,3 +174,14 @@ script(id='modals/achievements/joinedChallenge.html', type='text/ng-template')
       br
       button.btn.btn-primary(ng-click='$close()')=env.t('huzzah')
     +achievementFooter
+
+// Invited Friend
+script(id='modals/achievements/invitedFriend.html', type='text/ng-template')
+  .modal-content(style='min-width:28em')
+    .modal-body.text-center
+      h3(style='margin-bottom:0')=env.t('modalAchievement')
+      +achievementAvatar('friends',0)
+      p=env.t('invitedFriendText')
+      br
+      button.btn.btn-primary(ng-click='$close()')=env.t('huzzah')
+    +achievementFooter