diff --git a/v3/src/checksum.js b/v3/src/checksum.js
index 25059c849..f2a717970 100644
--- a/v3/src/checksum.js
+++ b/v3/src/checksum.js
@@ -1,4 +1,4 @@
 var CHECKSUM = {
-build: '35aaa140-4047-11e7-a72a-f5daee9806ea'
+build: '1713cee0-4151-11e7-9b92-99548f7e932e'
 };
 module.exports = CHECKSUM;
\ No newline at end of file
diff --git a/v3/src/tween/Tween.js b/v3/src/tween/Tween.js
index ad88ec642..a2dd40a41 100644
--- a/v3/src/tween/Tween.js
+++ b/v3/src/tween/Tween.js
@@ -16,26 +16,46 @@ var Tween = function (manager, data)
     //  If true then duration, delay, etc values are all frame totals
     this.useFrames = false;
 
-    //  Infinitely loop this tween?
-    //  When enabled it will play through ALL TweenDatas again (use repeat to loop a single TD)
-    this.loop = false;
+    //  Loop this tween? Can be -1 for an infinite loop, or an integer.
+    //  When enabled it will play through ALL TweenDatas again (use TweenData.repeat to loop a single TD)
+    this.loop = 0;
 
-    //  Time in ms/frames before the tween loops again if loop is true
+    //  Time in ms/frames before the tween loops.
     this.loopDelay = 0;
 
+    //  How many loops are left to run?
+    this.loopCounter = 0;
+
     //  Time in ms/frames before the 'onComplete' event fires. This never fires if loop = true (as it never completes)
     this.completeDelay = 0;
 
     //  Countdown timer (used by loopDelay and completeDelay)
     this.countdown = 0;
 
+    //  The current state of the tween
     this.state = TWEEN_CONST.PENDING_ADD;
 
+    //  Does the Tween start off paused? (if so it needs to be started with Tween.play)
     this.paused = false;
 
-    this.totalDuration = 0;
+    //  Elapsed time in ms/frames of this run through the Tween.
+    this.elapsed = 0;
+
+    //  Total elapsed time in ms/frames of the entire Tween, including looping.
+    this.totalElapsed = 0;
+
+    //  Time in ms/frames for the whole Tween to play through once, excluding loop amounts and loop delays
+    this.duration = 0;
+
+    //  Value between 0 and 1. The amount through the Tween, excluding loops.
     this.progress = 0;
 
+    //  Time in ms/frames for the Tween to complete (including looping)
+    this.totalDuration = 0;
+
+    //  Value between 0 and 1. The amount through the entire Tween, including looping.
+    this.totalProgress = 0;
+
     this.callbacks = {
         onStart: { callback: null, scope: null, params: null },
         onUpdate: { callback: null, scope: null, params: null },
diff --git a/v3/src/tween/TweenBuilder.js b/v3/src/tween/TweenBuilder.js
index b9b7fb5d5..316d802c5 100644
--- a/v3/src/tween/TweenBuilder.js
+++ b/v3/src/tween/TweenBuilder.js
@@ -247,7 +247,7 @@ var TweenBuilder = function (manager, config)
 
     tween.totalTargets = targets.length;
     tween.useFrames = GetBoolean(config, 'useFrames', false);
-    tween.loop = GetBoolean(config, 'loop', false);
+    tween.loop = GetBoolean(config, 'loop', 0);
     tween.loopDelay = GetAdvancedValue(config, 'loopDelay', 0);
     tween.completeDelay = GetAdvancedValue(config, 'completeDelay', 0);
     tween.paused = GetBoolean(config, 'paused', false);
diff --git a/v3/src/tween/components/CalcDuration.js b/v3/src/tween/components/CalcDuration.js
index a48c2c41c..c9e5e3782 100644
--- a/v3/src/tween/components/CalcDuration.js
+++ b/v3/src/tween/components/CalcDuration.js
@@ -30,11 +30,12 @@ var CalcDuration = function ()
         }
     }
 
-    // this.loop = false;
-    // this.loopDelay = 0;
-    // this.completeDelay = 0;
+    //  Excludes loop values
+    this.duration = max;
 
-    return max;
+    this.loopCounter = (this.loop === -1) ? 999999999999 : this.loop;
+
+    this.totalDuration = ((this.duration + this.loopDelay) * this.loopCounter) + this.completeDelay;
 };
 
 module.exports = CalcDuration;
diff --git a/v3/src/tween/components/Init.js b/v3/src/tween/components/Init.js
index 9e4d1ea94..893a2482c 100644
--- a/v3/src/tween/components/Init.js
+++ b/v3/src/tween/components/Init.js
@@ -21,7 +21,10 @@ var Init = function ()
 
     this.calcDuration();
 
-    console.log('Tween totalDuration', this.totalDuration);
+    this.progress = 0;
+    this.totalProgress = 0;
+
+    console.log('Tween duration', this.duration, 'totalDuration', this.totalDuration);
 
     if (this.paused)
     {
diff --git a/v3/src/tween/components/NextState.js b/v3/src/tween/components/NextState.js
index 10e5df6d9..1349c416c 100644
--- a/v3/src/tween/components/NextState.js
+++ b/v3/src/tween/components/NextState.js
@@ -2,10 +2,14 @@ var TWEEN_CONST = require('../const');
 
 var NextState = function ()
 {
-    if (this.loop)
+    if (this.loopCounter > 0)
     {
         this.resetTweenData(true);
 
+        this.elapsed = 0;
+        this.progress = 0;
+        this.loopCounter--;
+
         if (this.loopDelay > 0)
         {
             this.countdown = this.loopDelay;
diff --git a/v3/src/tween/components/Update.js b/v3/src/tween/components/Update.js
index 2f0fab942..727a42bf2 100644
--- a/v3/src/tween/components/Update.js
+++ b/v3/src/tween/components/Update.js
@@ -8,6 +8,12 @@ var Update = function (timestamp, delta)
         delta = 1;
     }
 
+    this.elapsed += delta;
+    this.progress = this.elapsed / this.duration;
+
+    this.totalElapsed += delta;
+    this.totalProgress = this.totalElapsed / this.totalDuration;
+
     switch (this.state)
     {
         case TWEEN_CONST.ACTIVE: