diff --git a/public/js/controllers/inventoryCtrl.js b/public/js/controllers/inventoryCtrl.js
index f82781ac57..02572e7f7f 100644
--- a/public/js/controllers/inventoryCtrl.js
+++ b/public/js/controllers/inventoryCtrl.js
@@ -77,6 +77,18 @@ habitrpg.controller("InventoryCtrl",
       return _.pick(inventory, function(v,k){return v>0;});
     }
 
+    $scope.calcTriadBingo = function() {
+      var hasPets = Shared.countPets(null, User.user.items.pets) >= 90 ;
+      var hasMounts = Shared.countMounts(null, User.user.items.mounts) >= 90;
+
+      if(!(hasPets && hasMounts)) return false;
+
+      for (var p in User.user.items.pets) {
+        if(User.user.items.pets[p] < 0) return false;
+      }
+      return true;
+    }
+
     $scope.hatch = function(egg, potion){
       var eggName = Content.eggs[egg.key].text();
       var potName = Content.hatchingPotions[potion.key].text();
@@ -91,6 +103,13 @@ habitrpg.controller("InventoryCtrl",
         User.user.achievements.beastMaster = true;
         $rootScope.openModal('achievements/beastMaster');
       }
+
+      // Checks if Triad Bingo has been reached for the first time
+      if(!User.user.achievements.triadBingo
+          && $scope.calcTriadBingo()) {
+        User.user.achievements.triadBingo = true;
+        $rootScope.openModal('achievements/triadBingo');
+      }
     }
 
     $scope.purchase = function(type, item){
diff --git a/src/models/user.js b/src/models/user.js
index 91d1740ed8..d136e31e6f 100644
--- a/src/models/user.js
+++ b/src/models/user.js
@@ -38,6 +38,8 @@ var UserSchema = new Schema({
     beastMasterCount: Number,
     mountMaster: Boolean,
     mountMasterCount: Number,
+    triadBingo: Boolean,
+    triadBingoCount: Number,
     veteran: Boolean,
     snowball: Number,
     spookDust: Number,
@@ -450,6 +452,18 @@ UserSchema.pre('save', function(next) {
     this.achievements.mountMaster = true
   }
 
+  // Determines if Triad Bingo should be awarded
+
+  var giveTriadBingo = function(pets) {
+    for(var p in pets) {
+      if(pets[p] == -1) return false;
+    }
+    return true;
+  };
+
+  if ((mountCount >= 90 && giveTriadBingo(this.items.pets)) || this.achievements.triadBingoCount > 0) {
+    this.achievements.triadBingo = true;
+  }
 
   // EXAMPLE CODE for allowing all existing and new players to be
   // automatically granted an item during a certain time period:
diff --git a/views/shared/modals/achievements.jade b/views/shared/modals/achievements.jade
index a8857f9110..9d1decd66c 100644
--- a/views/shared/modals/achievements.jade
+++ b/views/shared/modals/achievements.jade
@@ -41,6 +41,17 @@ script(id='modals/achievements/mountMaster.html', type='text/ng-template')
   .modal-footer
     button.btn.btn-default(ng-click='$close()')=env.t('ok')
 
+// Triad Bingo
+script(id='modals/achievements/triadBingo.html', type='text/ng-template')
+  .modal-header
+    h4=env.t('modalAchievement')
+  .modal-body
+    p
+      .achievement.achievement-triadbingo
+      =env.t('triadBingoAchievement')
+  .modal-footer
+    button.btn.btn-default(ng-click='$close()')=env.t('ok')
+
 // Contributor
 // activated by user.flags.contributor
 script(id='modals/achievements/contributor.html', type='text/ng-template')
diff --git a/views/shared/profiles/achievements.jade b/views/shared/profiles/achievements.jade
index 5e7f901fc9..af414f15b5 100644
--- a/views/shared/profiles/achievements.jade
+++ b/views/shared/profiles/achievements.jade
@@ -96,6 +96,15 @@ div(ng-if='profile.achievements.mountMaster || user._id == profile._id')
       =env.t('mountMasterText2', {count: "{{profile.achievements.mountMasterCount}}"})
   hr
 
+div(ng-if='profile.achievements.triadBingo || user._id == profile._id')
+  .achievement.achievement-triadbingo(ng-show='profile.achievements.triadBingo')
+  div(ng-class='{muted: !profile.achievements.triadBingo}')
+    h5=env.t('triadBingoName')
+    small=env.t('triadBingoText')
+    small(ng-if='profile.achievements.triadBingoCount')
+      =env.t('triadBingoText2', {count: "{{profile.achievements.triadBingoCount}}"})
+  hr
+
 div(ng-if='profile.achievements.rebirths')
   .achievement.achievement-sun
   h5(ng-if='profile.achievements.rebirths == 1')=env.t('rebirthBegan')