diff --git a/common/locales/en/quests.json b/common/locales/en/quests.json
index 3f7be31868..e0546fcf8a 100644
--- a/common/locales/en/quests.json
+++ b/common/locales/en/quests.json
@@ -6,6 +6,8 @@
     "questSend": "Clicking \"Invite\" will send an invitation to your party members. When all members have accepted or denied, the quest begins. See status under Options > Social > Party.",
     "inviteParty": "Invite Party",
     "questInvitation": "Quest Invitation: ",
+    "questInvitationTitle": "Quest Invitation",
+    "questInvitationInfo": "Invitation for the Quest <%= quest %>",
     "askLater": "Ask Later",
     "buyQuest": "Buy Quest",
     "accepted": "Accepted",
diff --git a/common/locales/en/settings.json b/common/locales/en/settings.json
index eacd8e0ef8..a1eb6ce215 100644
--- a/common/locales/en/settings.json
+++ b/common/locales/en/settings.json
@@ -93,6 +93,7 @@
     "wonChallenge": "You Won a Challenge",
     "newPM": "Received Private Message",
     "giftedGems": "Gifted Gems",
+    "giftedGemsInfo": "<%= amount %> Gems - by <%= name %>",
     "giftedSubscription": "Gifted Subscription",
     "invitedParty": "Invited To Party",
     "invitedGuild": "Invited To Guild",
diff --git a/common/script/index.coffee b/common/script/index.coffee
index f251ad7db5..29833b0fc2 100644
--- a/common/script/index.coffee
+++ b/common/script/index.coffee
@@ -653,6 +653,19 @@ api.wrap = (user, main=true) ->
         user.markModified? 'preferences.webhooks'
         cb? null, user.preferences.webhooks
 
+      # ------
+      # Push Notifications
+      # ------
+      addPushDevice: (req, cb) ->
+        user.pushDevices = [] unless user.pushDevices
+        pd = user.pushDevices
+        item = {regId:req.body.regId, type:req.body.type};
+        i = _.findIndex pd, {regId: item.regId}
+
+        pd.push(item) unless i != -1
+
+        cb? null, user.pushDevices
+      
       # ------
       # Inbox
       # ------
diff --git a/config.json.example b/config.json.example
index 72f1a8c762..fd72ea4ce9 100644
--- a/config.json.example
+++ b/config.json.example
@@ -51,5 +51,12 @@
         "token": "token",
         "username": "username",
         "password": "password"    
+    },
+    "PUSH_CONFIGS": {
+        "GCM_SERVER_API_KEY": "",
+        "APN_PEM_FILES": {
+          "KEY": "key.pem",
+          "CERT": "cert.pem"
+        }
     }
 }
diff --git a/package.json b/package.json
index 15340a7b24..04655f1101 100644
--- a/package.json
+++ b/package.json
@@ -31,11 +31,11 @@
     "grunt-nodemon": "~0.3.0",
     "grunt-spritesmith": "~3.5.0",
     "icalendar": "git://github.com/lefnire/node-icalendar#master",
+    "image-size": "~0.3.2",
     "in-app-purchase": "^0.2.0",
     "jade": "~1.7.0",
     "js2xmlparser": "~0.1.2",
     "lodash": "~2.4.1",
-    "image-size": "~0.3.2",
     "loggly": "~1.0.8",
     "method-override": "~2.2.0",
     "moment": "~2.8.3",
@@ -51,6 +51,7 @@
     "paypal-ipn": "2.1.0",
     "paypal-rest-sdk": "^1.2.1",
     "pretty-data": "git://github.com/vkiryukhin/pretty-data#master",
+    "push-notify": "^1.1.1",
     "qs": "^2.3.2",
     "request": "~2.44.0",
     "s3-upload-stream": "^1.0.6",
@@ -102,9 +103,11 @@
     "mongoskin": "~0.6.1",
     "phantomjssmith": "~0.5.4",
     "protractor": "~2.0.0",
+    "rewire": "^2.3.3",
     "rimraf": "^2.2.8",
     "shelljs": "^0.4.0",
     "sinon": "^1.12.2",
+    "sinon-chai": "^2.7.0",
     "superagent": "~0.15.7",
     "superagent-defaults": "~0.1.5",
     "vinyl-source-stream": "^1.0.0",
diff --git a/test/api/api-helper.coffee b/test/api/api-helper.coffee
index 31a774007d..0c3ae7b580 100644
--- a/test/api/api-helper.coffee
+++ b/test/api/api-helper.coffee
@@ -12,7 +12,8 @@ global.shared = require("../../common")
 global.User = require("../../website/src/models/user").model
 
 global.chai = require("chai")
-global.expect = require("chai").expect
+chai.use(require("sinon-chai"))
+global.expect = chai.expect
 
 ##############################
 # Nconf config
diff --git a/test/api/pushNotifications.coffee b/test/api/pushNotifications.coffee
new file mode 100644
index 0000000000..9b43ca08c7
--- /dev/null
+++ b/test/api/pushNotifications.coffee
@@ -0,0 +1,306 @@
+'use strict'
+
+app = require("../../website/src/server")
+rewire = require('rewire')
+sinon = require('sinon')
+
+describe "Push-Notifications", ->
+  before (done) ->
+    registerNewUser(done, true)
+
+  describe "POST /user/pushDevice", ->
+    it "Registers a DeviceID", (done) ->
+      request.post(baseURL + "/user/pushDevice").send(
+        { regId: "123123", type: "android"}
+      ).end (res) ->
+        expectCode res, 200
+
+        User.findOne
+          _id: global.user._id
+        , (err, _user) ->
+          expect(_user.pushDevices.length).to.equal 1
+          expect(_user.pushDevices[0].regId).to.equal "123123"
+
+          done()
+
+  describe "Events that send push notifications", ->
+    pushSpy = { sendNotify: sinon.spy() }
+
+    afterEach (done) ->
+      pushSpy.sendNotify.reset()
+      done()
+
+    context "Challenges", ->
+      challenges = rewire("../../website/src/controllers/challenges")
+      challenges.__set__('pushNotify', pushSpy)
+      challengeMock = {
+        findById: (arg, cb) ->
+          cb(null, {leader: user._id, name: 'challenge-name'})
+      }
+      userMock = {
+        findById: (arg, cb) ->
+          cb(null, user)
+      }
+
+      challenges.__set__('Challenge', challengeMock)
+      challenges.__set__('User', userMock)
+      challenges.__set__('closeChal', -> true)
+
+      beforeEach (done) ->
+        registerNewUser ->
+          user.preferences.emailNotifications.wonChallenge = false
+          user.save = (cb) -> cb(null, user)
+          done()
+        , true
+
+      it "sends a push notification when you win a challenge", (done) ->
+        req = {
+          params: { cid: 'challenge-id' }
+          query: {uid: 'user-id'}
+        }
+        res = {
+          locals: { user: user }
+        }
+        challenges.selectWinner req, res
+
+        setTimeout -> # Allow selectWinner to finish
+          expect(pushSpy.sendNotify).to.have.been.calledOnce
+          expect(pushSpy.sendNotify).to.have.been.calledWith(
+            user,
+            'You Won a Challenge',
+            'challenge-name'
+          )
+          done()
+        , 100
+
+    context "Groups", ->
+
+      recipient = null
+
+      groups = rewire("../../website/src/controllers/groups")
+      groups.__set__('questStart', -> true)
+      groups.__set__('pushNotify', pushSpy)
+
+      before (done) ->
+        registerNewUser (err,_user)->
+          recipient = _user
+          recipient.invitations.guilds = []
+          recipient.save = (cb) -> cb(null, recipient)
+          recipient.preferences.emailNotifications.invitedGuild = false
+          recipient.preferences.emailNotifications.invitedParty = false
+          recipient.preferences.emailNotifications.invitedQuest = false
+          userMock = {
+            findById: (arg, cb) ->
+              cb(null, recipient)
+            find: (arg, arg2, cb) ->
+              cb(null, [recipient])
+          }
+          groups.__set__('User', userMock)
+          done()
+
+        , false
+
+      it "sends a push notification when invited to a guild", (done) ->
+        group = { _id: 'guild-id', name: 'guild-name', type: 'guild', members: [user._id], invites: [] }
+        group.save = (cb) -> cb(null, group)
+        req = {
+          body: { uuids: [recipient._id] }
+        }
+        res = {
+          locals: { group: group, user: user }
+          json: -> return true
+        }
+
+        groups.invite req, res
+
+        setTimeout -> # Allow invite to finish
+          expect(pushSpy.sendNotify).to.have.been.calledOnce
+          expect(pushSpy.sendNotify).to.have.been.calledWith(
+            recipient,
+            'Invited To Guild',
+            group.name
+          )
+          done()
+        , 100
+
+      it "sends a push notification when invited to a party", (done) ->
+        group = { _id: 'party-id', name: 'party-name', type: 'party', members: [user._id], invites: [] }
+        group.save = (cb) -> cb(null, group)
+        req = {
+          body: { uuids: [recipient._id] }
+        }
+        res = {
+          locals: { group: group, user: user }
+          json: -> return true
+        }
+
+        groups.invite req, res
+
+        setTimeout -> # Allow invite to finish
+          expect(pushSpy.sendNotify).to.have.been.calledOnce
+          expect(pushSpy.sendNotify).to.have.been.calledWith(
+            recipient,
+            'Invited To Party',
+            group.name
+          )
+          done()
+        , 100
+
+      it "sends a push notification when invited to a quest", (done) ->
+        group = { _id: 'party-id', name: 'party-name', type: 'party', members: [user._id, recipient._id], invites: [], quest: {}}
+        user.items.quests.hedgehog = 5
+        group.save = (cb) -> cb(null, group)
+        req = {
+          body: { uuids: [recipient._id] }
+          query: { key: 'hedgehog' }
+        }
+        res = {
+          locals: { group: group, user: user }
+          json: -> return true
+        }
+
+        groups.questAccept req, res
+
+        setTimeout -> # Allow questAccept to finish
+          expect(pushSpy.sendNotify).to.have.been.calledOnce
+          expect(pushSpy.sendNotify).to.have.been.calledWith(
+            recipient,
+            'Quest Invitation',
+            'Invitation for the Quest The Hedgebeast'
+          )
+          done()
+        , 100
+
+    describe "Gifts", ->
+
+      recipient = null
+
+      before (done) ->
+        registerNewUser (err, _user) ->
+          recipient = _user
+          recipient.preferences.emailNotifications.giftedGems = false
+          user.balance = 4
+          user.save = -> return true
+          recipient.save = -> return true
+          done()
+        , false
+
+      context "sending gems from balance", ->
+        members = rewire("../../website/src/controllers/members")
+        members.sendMessage = -> true
+
+        members.__set__('pushNotify', pushSpy)
+        members.__set__ 'fetchMember', (id) ->
+          return (cb) -> cb(null, recipient)
+
+        it "sends a push notification", (done) ->
+          req = {
+            params: { uuid: "uuid" },
+            body: {
+              type: 'gems',
+              gems: { amount: 1 }
+            }
+          }
+          res = { locals: { user: user } }
+
+          members.sendGift req, res
+
+          setTimeout -> # Allow sendGift to finish
+            expect(pushSpy.sendNotify).to.have.been.calledOnce
+            expect(pushSpy.sendNotify).to.have.been.calledWith(
+              recipient,
+              'Gifted Gems',
+              '1 Gems - by ' + user.profile.name
+            )
+            done()
+          , 100
+
+      describe "Purchases", ->
+
+        payments = rewire("../../website/src/controllers/payments")
+
+        payments.__set__('pushNotify', pushSpy)
+        membersMock = { sendMessage: -> true }
+        payments.__set__('members', membersMock)
+
+        context "buying gems as a purchased gift", ->
+
+          it "sends a push notification", (done) ->
+            data = {
+              user: user,
+              gift: {
+                member: recipient,
+                gems: { amount: 1 }
+              }
+            }
+
+            payments.buyGems data
+
+            setTimeout -> # Allow buyGems to finish
+              expect(pushSpy.sendNotify).to.have.been.calledOnce
+              expect(pushSpy.sendNotify).to.have.been.calledWith(
+                recipient,
+                'Gifted Gems',
+                '1 Gems - by ' + user.profile.name
+              )
+
+              done()
+            , 100
+
+          it "does not send a push notification if buying gems for self", (done) ->
+            data = {
+              user: user,
+              gift: {
+                member: user
+                gems: { amount: 1 }
+              }
+            }
+
+            payments.buyGems data
+
+            setTimeout -> # Allow buyGems to finish
+              expect(pushSpy.sendNotify).to.not.have.been.called
+
+              done()
+            , 100
+
+        context "sending a subscription as a purchased gift", ->
+
+          it "sends a push notification", (done) ->
+            data = {
+              user: user,
+              gift: {
+                member: recipient
+                subscription: { key: 'basic_6mo' }
+              }
+            }
+
+            payments.createSubscription data
+
+            setTimeout -> # Allow createSubscription to finish
+              expect(pushSpy.sendNotify).to.have.been.calledOnce
+              expect(pushSpy.sendNotify).to.have.been.calledWith(
+                recipient,
+                'Gifted Subscription',
+                '6 months - by ' + user.profile.name
+              )
+
+              done()
+            , 100
+
+          it "does not send a push notification if buying subscription for self", (done) ->
+            data = {
+              user: user,
+              gift: {
+                member: user
+                subscription: { key: 'basic_6mo' }
+              }
+            }
+
+            payments.createSubscription data
+
+            setTimeout -> # Allow buyGems to finish
+              expect(pushSpy.sendNotify).to.not.have.been.called
+
+              done()
+            , 100
diff --git a/website/src/controllers/challenges.js b/website/src/controllers/challenges.js
index a522746b8f..6b2c59b809 100644
--- a/website/src/controllers/challenges.js
+++ b/website/src/controllers/challenges.js
@@ -11,7 +11,7 @@ var logging = require('./../logging');
 var csv = require('express-csv');
 var utils = require('../utils');
 var api = module.exports;
-
+var pushNotify = require('./pushNotifications');
 
 /*
   ------------------------------------------------------------------------
@@ -347,6 +347,9 @@ api.selectWinner = function(req, res, next) {
           {name: 'CHALLENGE_NAME', content: chal.name}
         ]);
       }
+
+      pushNotify.sendNotify(saved, shared.i18n.t('wonChallenge'), chal.name);
+
       closeChal(cid, {broken: 'CHALLENGE_CLOSED', winner: saved.profile.name}, cb);
     }
   ], function(err){
diff --git a/website/src/controllers/groups.js b/website/src/controllers/groups.js
index 3fd71919f7..b9d2643c61 100644
--- a/website/src/controllers/groups.js
+++ b/website/src/controllers/groups.js
@@ -15,6 +15,7 @@ var Challenge = require('./../models/challenge').model;
 var EmailUnsubscription = require('./../models/emailUnsubscription').model;
 var isProd = nconf.get('NODE_ENV') === 'production';
 var api = module.exports;
+var pushNotify = require('./pushNotifications');
 
 /*
   ------------------------------------------------------------------------
@@ -578,9 +579,13 @@ var inviteByUUIDs = function(uuids, group, req, res, next){
       function sendInvite (){
         if(group.type === 'guild'){
           invite.invitations.guilds.push({id: group._id, name: group.name, inviter:res.locals.user._id});
+
+          pushNotify.sendNotify(invite, shared.i18n.t('invitedGuild'), group.name);
         }else{
           //req.body.type in 'guild', 'party'
           invite.invitations.party = {id: group._id, name: group.name, inviter:res.locals.user._id};
+
+          pushNotify.sendNotify(invite, shared.i18n.t('invitedParty'), group.name);
         }
 
         group.invites.push(invite._id);
@@ -908,6 +913,10 @@ api.questAccept = function(req, res, next) {
         group.quest.leader = user._id;
       } else {
         group.quest.members[m] = undefined;
+
+        User.findById(m, function(err,groupMember){
+          pushNotify.sendNotify(groupMember, shared.i18n.t('questInvitationTitle'), shared.i18n.t('questInvitationInfo', { quest: quest.text() }));
+        });
       }
     });
 
diff --git a/website/src/controllers/members.js b/website/src/controllers/members.js
index 8001d29db7..c7fe341d3d 100644
--- a/website/src/controllers/members.js
+++ b/website/src/controllers/members.js
@@ -7,6 +7,7 @@ var _ = require('lodash');
 var shared = require('../../../common');
 var utils = require('../utils');
 var nconf = require('nconf');
+var pushNotify = require('./pushNotifications');
 
 var fetchMember = function(uuid, restrict){
   return function(cb){
@@ -96,12 +97,18 @@ api.sendGift = function(req, res, next){
           member.balance += amt;
           user.balance -= amt;
           api.sendMessage(user, member, req.body);
+
+          var byUsername = utils.getUserInfo(user, ['name']).name;
+
           if(member.preferences.emailNotifications.giftedGems !== false){
             utils.txnEmail(member, 'gifted-gems', [
-              {name: 'GIFTER', content: utils.getUserInfo(user, ['name']).name},
+              {name: 'GIFTER', content: byUsername},
               {name: 'X_GEMS_GIFTED', content: req.body.gems.amount}
             ]);
           }
+
+          pushNotify.sendNotify(member, shared.i18n.t('giftedGems'), shared.i18n.t('giftedGemsInfo', { amount: req.body.gems.amount, name: byUsername }));
+
           return async.parallel([
             function (cb2) { member.save(cb2) },
             function (cb2) { user.save(cb2) }
diff --git a/website/src/controllers/payments/index.js b/website/src/controllers/payments/index.js
index f117a48bc5..31d691a7fe 100644
--- a/website/src/controllers/payments/index.js
+++ b/website/src/controllers/payments/index.js
@@ -12,6 +12,7 @@ var async = require('async');
 var iap = require('./iap');
 var mongoose= require('mongoose');
 var cc = require('coupon-code');
+var pushNotify = require('./../pushNotifications');
 
 function revealMysteryItems(user) {
   _.each(shared.content.gear.flat, function(item) {
@@ -75,12 +76,19 @@ exports.createSubscription = function(data, cb) {
   data.user.purchased.txnCount++;
   if (data.gift){
     members.sendMessage(data.user, data.gift.member, data.gift);
+
+    var byUserName = utils.getUserInfo(data.user, ['name']).name;
+
     if(data.gift.member.preferences.emailNotifications.giftedSubscription !== false){
       utils.txnEmail(data.gift.member, 'gifted-subscription', [
-        {name: 'GIFTER', content: utils.getUserInfo(data.user, ['name']).name},
+        {name: 'GIFTER', content: byUserName},
         {name: 'X_MONTHS_SUBSCRIPTION', content: months}
       ]);
-    }    
+    }
+
+    if (data.gift.member._id != data.user._id) { // Only send push notifications if sending to a user other than yourself
+      pushNotify.sendNotify(data.gift.member, shared.i18n.t('giftedSubscription'), months + " months - by "+ byUserName);
+    }
   }
   async.parallel([
     function(cb2){data.user.save(cb2)},
@@ -119,13 +127,20 @@ exports.buyGems = function(data, cb) {
     utils.ga.transaction(data.user._id, amt).item(amt, 1, data.paymentMethod.toLowerCase() + "-checkout", "Gems > " + data.paymentMethod).send();
   }
   if (data.gift){
+    var byUsername = utils.getUserInfo(data.user, ['name']).name;
+    var gemAmount = data.gift.gems.amount || 20;
+
     members.sendMessage(data.user, data.gift.member, data.gift);
     if(data.gift.member.preferences.emailNotifications.giftedGems !== false){
       utils.txnEmail(data.gift.member, 'gifted-gems', [
-        {name: 'GIFTER', content: utils.getUserInfo(data.user, ['name']).name},
-        {name: 'X_GEMS_GIFTED', content: data.gift.gems.amount || 20}
+        {name: 'GIFTER', content: byUsername},
+        {name: 'X_GEMS_GIFTED', content: gemAmount}
       ]);
     }
+
+    if (data.gift.member._id != data.user._id) { // Only send push notifications if sending to a user other than yourself
+      pushNotify.sendNotify(data.gift.member, shared.i18n.t('giftedGems'), gemAmount + ' Gems - by '+byUsername);
+    }
   }
   async.parallel([
     function(cb2){data.user.save(cb2)},
@@ -153,4 +168,4 @@ exports.paypalCheckoutSuccess = paypal.executePayment;
 exports.paypalIPN = paypal.ipn;
 
 exports.iapAndroidVerify = iap.androidVerify;
-exports.iapIosVerify = iap.iosVerify;
\ No newline at end of file
+exports.iapIosVerify = iap.iosVerify;
diff --git a/website/src/controllers/pushNotifications.js b/website/src/controllers/pushNotifications.js
new file mode 100644
index 0000000000..98ec0b5d82
--- /dev/null
+++ b/website/src/controllers/pushNotifications.js
@@ -0,0 +1,52 @@
+var api = module.exports;
+var _ = require('lodash');
+var nconf = require('nconf');
+
+var pushNotify = require('push-notify');
+
+var gcmApiKey = nconf.get("PUSH_CONFIGS:GCM_SERVER_API_KEY");
+
+var gcm = gcmApiKey ? pushNotify.gcm({
+  apiKey: gcmApiKey,
+  retries: 3
+}) : undefined;
+
+if(gcm){
+  gcm.on('transmitted', function (result, message, registrationId) {
+    console.info("transmitted", result, message, registrationId);
+  });
+
+  gcm.on('transmissionError', function (error, message, registrationId) {
+    console.info("transmissionError", error, message, registrationId);
+  });
+  gcm.on('updated', function (result, registrationId) {
+    console.info("updated", result, registrationId);
+  });
+}
+
+api.sendNotify = function(user, title, msg, timeToLive){
+  timeToLive = timeToLive || 15;
+
+  _.forEach(user.pushDevices, function(pushDevice){
+    switch(pushDevice.type){
+      case "android":
+        if(gcm){
+          gcm.send({
+            registrationId: pushDevice.regId,
+            //collapseKey: 'COLLAPSE_KEY',
+            delayWhileIdle: true,
+            timeToLive: timeToLive,
+            data: {
+              title: title,
+              message: msg
+            }
+        });
+      }
+
+      break;
+
+      case "ios":
+        break;
+    }
+  });
+};
diff --git a/website/src/models/user.js b/website/src/models/user.js
index 61f44e1724..60385abfbb 100644
--- a/website/src/models/user.js
+++ b/website/src/models/user.js
@@ -393,7 +393,12 @@ var UserSchema = new Schema({
   todos:    {type:[TaskSchemas.TodoSchema]},
   rewards:  {type:[TaskSchemas.RewardSchema]},
 
-  extra: Schema.Types.Mixed
+  extra: Schema.Types.Mixed,
+ 
+  pushDevices: {type: [{
+    regId: {type: String},
+    type: {type: String}
+  }],'default': []}
 
 }, {
   strict: true,
diff --git a/website/src/routes/apiv2.coffee b/website/src/routes/apiv2.coffee
index f30b03cb53..9694c0f37f 100644
--- a/website/src/routes/apiv2.coffee
+++ b/website/src/routes/apiv2.coffee
@@ -396,6 +396,16 @@ module.exports = (swagger, v2) ->
         ]
       action: user.deleteWebhook
 
+    # Push Notifications
+    "/user/pushDevice":
+      spec:
+        method: 'POST'
+        description: 'Add a new push devices registration ID'
+        parameters: [
+          body '','New push registration { regId: "123123", type: "android"}','object'
+        ]
+      action: user.addPushDevice
+
     # ---------------------------------
     # Groups
     # ---------------------------------