diff --git a/spine-c/include/spine/AnimationState.h b/spine-c/include/spine/AnimationState.h
index 2dc163ced..8e13f18fe 100644
--- a/spine-c/include/spine/AnimationState.h
+++ b/spine-c/include/spine/AnimationState.h
@@ -55,19 +55,19 @@ struct TrackEntry {
 	TrackEntry* previous;
 	Animation* animation;
 	int/*bool*/loop;
-	float delay, time, lastTime, endTime;
+	float delay, time, lastTime, endTime, timeScale;
 	AnimationStateListener listener;
 	float mixTime, mixDuration;
 };
 
 struct AnimationState {
 	AnimationStateData* const data;
+	float timeScale;
+	AnimationStateListener listener;
+	void* context;
 
 	int trackCount;
 	TrackEntry** tracks;
-
-	AnimationStateListener listener;
-	void* context;
 };
 
 /* @param data May be 0 for no mixing. */
diff --git a/spine-c/src/spine/AnimationState.c b/spine-c/src/spine/AnimationState.c
index 50076935b..93e78c4a6 100644
--- a/spine-c/src/spine/AnimationState.c
+++ b/spine-c/src/spine/AnimationState.c
@@ -43,6 +43,7 @@
 
 TrackEntry* _TrackEntry_create () {
 	TrackEntry* entry = NEW(TrackEntry);
+	entry->timeScale = 1;
 	return entry;
 }
 
@@ -71,6 +72,7 @@ AnimationState* AnimationState_create (AnimationStateData* data) {
 	_AnimationState* internal = NEW(_AnimationState);
 	AnimationState* self = SUPER(internal);
 	internal->events = MALLOC(Event*, 64);
+	self->timeScale = 1;
 	CONST_CAST(AnimationStateData*, self->data) = data;
 	return self;
 }
@@ -89,6 +91,7 @@ void AnimationState_update (AnimationState* self, float delta) {
 		TrackEntry* current = self->tracks[i];
 		if (!current) continue;
 
+		delta *= self->timeScale * current->timeScale;
 		time = current->time + delta;
 		endTime = current->endTime;
 
diff --git a/spine-csharp/src/AnimationState.cs b/spine-csharp/src/AnimationState.cs
index c2cd50381..bf11f9282 100644
--- a/spine-csharp/src/AnimationState.cs
+++ b/spine-csharp/src/AnimationState.cs
@@ -40,8 +40,10 @@ namespace Spine {
 		private AnimationStateData data;
 		private List<TrackEntry> tracks = new List<TrackEntry>();
 		private List<Event> events = new List<Event>();
+		private float timeScale = 1;
 
 		public AnimationStateData Data { get { return data; } }
+		public float TimeScale { get { return timeScale; } set { timeScale = value; } }
 
 		public event EventHandler<StartEndArgs> Start;
 		public event EventHandler<StartEndArgs> End;
@@ -58,6 +60,7 @@ namespace Spine {
 				TrackEntry current = tracks[i];
 				if (current == null) continue;
 
+				delta *= timeScale * current.timeScale;
 				float time = current.time + delta;
 				float endTime = current.endTime;
 
@@ -264,21 +267,16 @@ namespace Spine {
 		internal TrackEntry next, previous;
 		internal Animation animation;
 		internal bool loop;
-		internal float delay, time, lastTime, endTime;
+		internal float delay, time, lastTime, endTime, timeScale = 1;
 		internal float mixTime, mixDuration;
 
 		public Animation Animation { get { return animation; } }
-		public bool Loop { get { return loop; } set { loop = value; } }
 		public float Delay { get { return delay; } set { delay = value; } }
-		public float EndTime { get { return EndTime; } set { EndTime = value; } }
-
-		public float Time {
-			get { return time; }
-			set {
-				time = value;
-				if (lastTime < value) lastTime = value;
-			}
-		}
+		public float Time { get { return time; } set { time = value; } }
+		public float LastTime { get { return lastTime; } set { lastTime = value; } }
+		public float EndTime { get { return endTime; } set { endTime = value; } }
+		public float TimeScale { get { return timeScale; } set { timeScale = value; } }
+		public bool Loop { get { return loop; } set { loop = value; } }
 
 		public event EventHandler<StartEndArgs> Start;
 		public event EventHandler<StartEndArgs> End;
diff --git a/spine-libgdx/src/com/esotericsoftware/spine/AnimationState.java b/spine-libgdx/src/com/esotericsoftware/spine/AnimationState.java
index fdd634185..d548dcb51 100644
--- a/spine-libgdx/src/com/esotericsoftware/spine/AnimationState.java
+++ b/spine-libgdx/src/com/esotericsoftware/spine/AnimationState.java
@@ -43,6 +43,7 @@ public class AnimationState {
 	private Array<TrackEntry> tracks = new Array();
 	private final Array<Event> events = new Array();
 	private final Array<AnimationStateListener> listeners = new Array();
+	private float timeScale;
 
 	public AnimationState (AnimationStateData data) {
 		if (data == null) throw new IllegalArgumentException("data cannot be null.");
@@ -54,6 +55,7 @@ public class AnimationState {
 			TrackEntry current = tracks.get(i);
 			if (current == null) continue;
 
+			delta *= timeScale * current.timeScale;
 			float time = current.time + delta;
 			float endTime = current.endTime;
 
@@ -253,6 +255,14 @@ public class AnimationState {
 		listeners.removeValue(listener, true);
 	}
 
+	public float getTimeScale () {
+		return timeScale;
+	}
+
+	public void setTimeScale (float timeScale) {
+		this.timeScale = timeScale;
+	}
+
 	public AnimationStateData getData () {
 		return data;
 	}
@@ -273,14 +283,15 @@ public class AnimationState {
 		TrackEntry next, previous;
 		Animation animation;
 		boolean loop;
-		float delay, time, lastTime, endTime;
-		AnimationStateListener listener;
+		float delay, time, lastTime, endTime, timeScale = 1;
 		float mixTime, mixDuration;
+		AnimationStateListener listener;
 
 		public void reset () {
 			animation = null;
 			listener = null;
 			next = null;
+			timeScale = 1;
 		}
 
 		public Animation getAnimation () {
@@ -339,6 +350,14 @@ public class AnimationState {
 			this.lastTime = lastTime;
 		}
 
+		public float getTimeScale () {
+			return timeScale;
+		}
+
+		public void setTimeScale (float timeScale) {
+			this.timeScale = timeScale;
+		}
+
 		public TrackEntry getNext () {
 			return next;
 		}