diff --git a/common/script/count.js b/common/script/count.js
index 6305646836..478265931a 100644
--- a/common/script/count.js
+++ b/common/script/count.js
@@ -9,7 +9,7 @@ function beastMasterProgress (pets) {
   _(DROP_ANIMALS).each((animal) => {
     if (pets[animal] > 0 || pets[animal] === -1)
       count++;
-  });
+  }).value();
 
   return count;
 }
@@ -20,7 +20,7 @@ function dropPetsCurrentlyOwned (pets) {
   _(DROP_ANIMALS).each((animal) => {
     if (pets[animal] > 0)
       count++;
-  });
+  }).value();
 
   return count;
 }
@@ -31,7 +31,7 @@ function mountMasterProgress (mounts) {
   _(DROP_ANIMALS).each((animal) => {
     if (mounts[animal])
       count++;
-  });
+  }).value();
 
   return count;
 }
diff --git a/common/script/i18n.js b/common/script/i18n.js
index 908925e9e5..41a0e63bc2 100644
--- a/common/script/i18n.js
+++ b/common/script/i18n.js
@@ -37,7 +37,7 @@ function t (stringName) {
 
   if (string) {
     try {
-      return _.template(string, clonedVars);
+      return _.template(string)(clonedVars);
     } catch (_error) {
       return 'Error processing the string. Please see Help > Report a Bug.';
     }
@@ -51,7 +51,7 @@ function t (stringName) {
     }
 
     try {
-      return _.template(stringNotFound, {
+      return _.template(stringNotFound)({
         string: stringName,
       });
     } catch (_error) {
diff --git a/common/script/index.js b/common/script/index.js
index f237002c52..2246bc259a 100644
--- a/common/script/index.js
+++ b/common/script/index.js
@@ -126,7 +126,7 @@ preenHistory = function(history) {
  */
 
 api.preenTodos = function(tasks) {
-  return _.where(tasks, function(t) {
+  return _.filter(tasks, function(t) {
     return !t.completed || (t.challenge && t.challenge.id) || moment(t.dateCompleted).isAfter(moment().subtract({
       days: 3
     }));
diff --git a/common/script/src/i18n.js b/common/script/src/i18n.js
index 315624e76a..3b91ede35b 100644
--- a/common/script/src/i18n.js
+++ b/common/script/src/i18n.js
@@ -25,7 +25,7 @@ module.exports = {
     clonedVars.locale = locale;
     if (string) {
       try {
-        return _.template(string, clonedVars);
+        return _.template(string)(clonedVars);
       } catch (_error) {
         e = _error;
         return 'Error processing the string. Please see Help > Report a Bug.';
@@ -37,7 +37,7 @@ module.exports = {
         stringNotFound = module.exports.translations[locale] && module.exports.translations[locale].stringNotFound;
       }
       try {
-        return _.template(stringNotFound, {
+        return _.template(stringNotFound)({
           string: stringName
         });
       } catch (_error) {
diff --git a/package.json b/package.json
index b19c0ee078..8bb96f2d7c 100644
--- a/package.json
+++ b/package.json
@@ -43,7 +43,7 @@
     "in-app-purchase": "^0.2.0",
     "jade": "~1.11.0",
     "js2xmlparser": "~0.1.2",
-    "lodash": "~2.4.1",
+    "lodash": "^3.10.1",
     "lodash.camelcase": "^3.0.1",
     "lodash.capitalize": "^3.0.0",
     "loggly": "~1.0.8",
diff --git a/tasks/gulp-transifex-test.js b/tasks/gulp-transifex-test.js
index d4e6cdc3c3..6326069815 100644
--- a/tasks/gulp-transifex-test.js
+++ b/tasks/gulp-transifex-test.js
@@ -89,7 +89,7 @@ gulp.task('transifex:malformedStrings', () => {
         }
       });
     });
-  });
+  }).value();
 
   if (!_.isEmpty(stringsWithMalformedInterpolations)) {
     let message = 'The following strings have malformed or missing interpolations';
@@ -128,7 +128,7 @@ function eachTranslationFile(languages, cb) {
 
       cb(null, lang, filename, parsedEnglishFile, parsedTranslationFile)
     });
-  });
+  }).value();
 }
 
 function eachTranslationString(languages, cb) {
@@ -162,7 +162,7 @@ function getStringsWith(json, interpolationRegex) {
       var match = value.match(interpolationRegex);
       if(match) strings[file_name][key] = match;
     });
-  });
+  }).value();
 
   return strings;
 }
diff --git a/test/api-legacy/coupons.js b/test/api-legacy/coupons.js
index af315c549c..1f4fcda3b6 100644
--- a/test/api-legacy/coupons.js
+++ b/test/api-legacy/coupons.js
@@ -54,7 +54,7 @@ describe("Coupons", function() {
             expect(coupons.length).to.equal(10);
             _(coupons).each(function(c) {
               return expect(c.event).to.equal('wondercon');
-            });
+            }).value();
             return done();
           });
         });
@@ -90,7 +90,7 @@ describe("Coupons", function() {
           expect(codes).to.contain('code');
           _(coupons).each(function(c) {
             return expect(codes).to.contain(c._id);
-          });
+          }).value();
           return done();
         });
       });
@@ -106,10 +106,10 @@ describe("Coupons", function() {
           secondHalf = sortedCoupons.slice(5, 10);
           _(firstHalf).each(function(c) {
             return expect(codes).to.contain(c._id);
-          });
+          }).value();
           _(secondHalf).each(function(c) {
             return expect(codes).to.not.contain(c._id);
-          });
+          }).value();
           return done();
         });
       });
@@ -125,10 +125,10 @@ describe("Coupons", function() {
           secondHalf = sortedCoupons.slice(5, 10);
           _(firstHalf).each(function(c) {
             return expect(codes).to.not.contain(c._id);
-          });
+          }).value();
           _(secondHalf).each(function(c) {
             return expect(codes).to.contain(c._id);
-          });
+          }).value();
           return done();
         });
       });
@@ -159,7 +159,7 @@ describe("Coupons", function() {
         } else {
           return expect(gear[i]).to.not.exist;
         }
-      });
+      }).value();
     };
     beforeEach(function(done) {
       return registerNewUser(function() {
diff --git a/test/common/user.fns.buy.test.js b/test/common/user.fns.buy.test.js
index a4b067f9f4..0cf39c1eb0 100644
--- a/test/common/user.fns.buy.test.js
+++ b/test/common/user.fns.buy.test.js
@@ -160,8 +160,8 @@ describe('user.fns.buy', () => {
         let armoireKey = gearObject.key;
 
         fullArmoire[armoireKey] = true;
-      });
-    });
+      }).value();
+    }).value();
 
     beforeEach(() => {
       user.achievements.ultimateGearSets = { rogue: true };
diff --git a/website/public/js/controllers/challengesCtrl.js b/website/public/js/controllers/challengesCtrl.js
index 9152857195..30aac589d5 100644
--- a/website/public/js/controllers/challengesCtrl.js
+++ b/website/public/js/controllers/challengesCtrl.js
@@ -83,7 +83,7 @@ habitrpg.controller("ChallengesCtrl", ['$rootScope','$scope', 'Shared', 'User',
 
       _(clonedTasks).each(function(val, type) {
         challenge[type + 's'].forEach(_cloneTaskAndPush);
-      });
+      }).value();
 
       $scope.obj = $scope.newChallenge = new Challenges.Challenge({
         name: challenge.name,
diff --git a/website/public/js/services/guideServices.js b/website/public/js/services/guideServices.js
index 86c2c36cc7..a8bd144e52 100644
--- a/website/public/js/services/guideServices.js
+++ b/website/public/js/services/guideServices.js
@@ -184,7 +184,7 @@ function($rootScope, User, $timeout, $state, Analytics) {
   }
 
   _.each(chapters, function(chapter, k){
-    _(chapter).flatten().each(function(step, i) {
+    _(chapter).flattenDeep().each(function(step, i) {
       step.content = "<div><div class='" + (env.worldDmg.guide ? "npc_justin_broken" : "npc_justin") + " float-left'></div>" + step.content + "</div>";
       $(step.element).popover('destroy'); // destroy existing hover popovers so we can add our own
       step.onShow = function(){
@@ -209,7 +209,7 @@ function($rootScope, User, $timeout, $state, Analytics) {
         }
         User.set(ups);
       }
-    })
+    }).value();
   });
 
   var tour = {};
@@ -226,7 +226,7 @@ function($rootScope, User, $timeout, $state, Analytics) {
           '<h3 class="popover-title"></h3>' +
           '<div class="popover-content"></div>' +
           '<div class="popover-navigation"> ' +
-            (showCounter ? '<span style="float:right;">'+ (i+1 +' of '+ _.flatten(chapters[k]).length) +'</span>' : '')+ // counter
+            (showCounter ? '<span style="float:right;">'+ (i+1 +' of '+ _.flattenDeep(chapters[k]).length) +'</span>' : '')+ // counter
             '<div class="btn-group">' +
               (step.hideNavigation ? '' : '<button class="btn btn-sm btn-default" data-role="prev">&laquo; Previous</button>') +
               (showFinish ? ('<button class="btn btn-sm btn-primary" data-role="end" style="float:none;">' + (step.proceed ? step.proceed : "Finish Tour") + '</button>') :
diff --git a/website/public/js/services/statServices.js b/website/public/js/services/statServices.js
index e836b39fb2..f2db805fb6 100644
--- a/website/public/js/services/statServices.js
+++ b/website/public/js/services/statServices.js
@@ -48,7 +48,7 @@
 
           total += equipmentStat;
         }
-      });
+      }).value();
 
       return total;
     }
diff --git a/website/public/js/services/taskServices.js b/website/public/js/services/taskServices.js
index 3f968dfa6e..bbe7f6f689 100644
--- a/website/public/js/services/taskServices.js
+++ b/website/public/js/services/taskServices.js
@@ -36,7 +36,7 @@
       _(cleansedTask.checklist).forEach(function(item) {
         item.completed = false;
         item.id = Shared.uuid();
-      });
+      }).value();
 
       if (cleansedTask.type !== 'reward') {
         delete cleansedTask.value;
diff --git a/website/src/controllers/payments/index.js b/website/src/controllers/payments/index.js
index 465fb31d01..866c33381b 100644
--- a/website/src/controllers/payments/index.js
+++ b/website/src/controllers/payments/index.js
@@ -59,7 +59,7 @@ exports.createSubscription = function(data, cb) {
     }).defaults({ // allow non-override if a plan was previously used
       dateCreated: new Date(),
       mysteryItems: []
-    });
+    }).value();
   }
 
   // Block sub perks
diff --git a/website/src/libs/analytics.js b/website/src/libs/analytics.js
index 442c4b9b5c..dffa7c2a9b 100644
--- a/website/src/libs/analytics.js
+++ b/website/src/libs/analytics.js
@@ -59,7 +59,7 @@ function _generateLabelForGoogleAnalytics(data) {
       label = data[key];
       return false; // exit _.each early
     }
-  });
+  }).value();
 
   return label;
 }
@@ -73,7 +73,7 @@ function _generateValueForGoogleAnalytics(data) {
       value = data[key];
       return false; // exit _.each early
     }
-  });
+  }).value();
 
   return value;
 }
diff --git a/website/views/options/profile.jade b/website/views/options/profile.jade
index 8c4b437df8..68b78c5a12 100644
--- a/website/views/options/profile.jade
+++ b/website/views/options/profile.jade
@@ -4,7 +4,7 @@ mixin gemCost(cost)
     = ' ' + env.t('locked')
     block
 
--var gearGroup = function(grouping) { return env._(env.Content.gear.flat).where({gearSet:grouping}).pluck('key') }
+-var gearGroup = function(grouping) { return env._(env.Content.gear.flat).where({gearSet:grouping}).pluck('key').value() }
 -var showPath = function(path, items, joiner) { return path+'["'+items.join('"] '+joiner+' '+path+'["')+'"]'; }
 -var unlockPath = function(path, items) { return 'unlock("'+path+'.'+items.join(','+path+'.')+'")'; }