diff --git a/src/main/java/xyz/valnet/hadean/gameobjects/Job.java b/src/main/java/xyz/valnet/hadean/gameobjects/Job.java
index 9c53a2a..de8b9eb 100644
--- a/src/main/java/xyz/valnet/hadean/gameobjects/Job.java
+++ b/src/main/java/xyz/valnet/hadean/gameobjects/Job.java
@@ -72,8 +72,8 @@ public class Job extends GameObject {
     public Vector2i[] getLocations() {
       return subject.getWorkablePositions();
     }
-    public boolean doWork() {
-      return subject.doWork();
+    public boolean doWork(float dTime) {
+      return subject.doWork(dTime);
     }
 
     @Override
diff --git a/src/main/java/xyz/valnet/hadean/gameobjects/Tile.java b/src/main/java/xyz/valnet/hadean/gameobjects/Tile.java
index 8a2e7f5..0c99a05 100644
--- a/src/main/java/xyz/valnet/hadean/gameobjects/Tile.java
+++ b/src/main/java/xyz/valnet/hadean/gameobjects/Tile.java
@@ -168,8 +168,8 @@ public class Tile extends WorldObject implements IWorkable {
   }
 
   @Override
-  public boolean doWork() {
-    tillLevel += 0.005f;
+  public boolean doWork(float dTime) {
+    tillLevel += 0.005f * dTime;
     tillLevel = Math.min(tillLevel, 1);
     return tillLevel >= 1;
   }
diff --git a/src/main/java/xyz/valnet/hadean/gameobjects/inputlayer/SelectionLayer.java b/src/main/java/xyz/valnet/hadean/gameobjects/inputlayer/SelectionLayer.java
index 7114d7b..cb38a67 100644
--- a/src/main/java/xyz/valnet/hadean/gameobjects/inputlayer/SelectionLayer.java
+++ b/src/main/java/xyz/valnet/hadean/gameobjects/inputlayer/SelectionLayer.java
@@ -49,7 +49,7 @@ public class SelectionLayer extends GameObject implements IMouseCaptureArea, ITr
 
   @Override
   public void update(float dTime) {
-    if(animation < animationMax) animation ++;
+    if(animation < animationMax) animation += dTime;
     if(animation > animationMax) animation = animationMax;
 
     // if(!active) return;
diff --git a/src/main/java/xyz/valnet/hadean/gameobjects/worldobjects/Tree.java b/src/main/java/xyz/valnet/hadean/gameobjects/worldobjects/Tree.java
index 0315f07..efef0b9 100644
--- a/src/main/java/xyz/valnet/hadean/gameobjects/worldobjects/Tree.java
+++ b/src/main/java/xyz/valnet/hadean/gameobjects/worldobjects/Tree.java
@@ -87,8 +87,8 @@ public class Tree extends WorldObject implements ITileThing, ISelectable, IWorka
   }
 
   @Override
-  public boolean doWork() {
-    choppage ++;
+  public boolean doWork(float dTime) {
+    choppage += dTime;
     return getProgress() >= 1;
   }
 
diff --git a/src/main/java/xyz/valnet/hadean/gameobjects/worldobjects/pawn/Activity.java b/src/main/java/xyz/valnet/hadean/gameobjects/worldobjects/pawn/Activity.java
index 00eb8a1..7133b3f 100644
--- a/src/main/java/xyz/valnet/hadean/gameobjects/worldobjects/pawn/Activity.java
+++ b/src/main/java/xyz/valnet/hadean/gameobjects/worldobjects/pawn/Activity.java
@@ -14,7 +14,7 @@ public abstract class Activity implements Serializable {
   public abstract boolean isUrgent();
   public abstract float getBenefit();
   public abstract boolean isValid();
-  public abstract void act();
+  public abstract void act(float dTime);
   public abstract void begin(ActivityCancellationCallback callback);
   public abstract void end();
   public abstract String toString();
diff --git a/src/main/java/xyz/valnet/hadean/gameobjects/worldobjects/pawn/JobActivity.java b/src/main/java/xyz/valnet/hadean/gameobjects/worldobjects/pawn/JobActivity.java
index d513320..3f15a04 100644
--- a/src/main/java/xyz/valnet/hadean/gameobjects/worldobjects/pawn/JobActivity.java
+++ b/src/main/java/xyz/valnet/hadean/gameobjects/worldobjects/pawn/JobActivity.java
@@ -32,8 +32,8 @@ public class JobActivity extends Activity {
   }
 
   @Override
-  public void act() {
-    if (doJob()) return;
+  public void act(float dTime) {
+    if (doJob(dTime)) return;
   }
 
 
@@ -83,7 +83,7 @@ public class JobActivity extends Activity {
     job = null;
   }
 
-  private boolean doJob() {
+  private boolean doJob(float dTime) {
     if(!jobboard.workerHasJob(worker)) return false;
     JobStep step = job.getCurrentStep();
     // if we're not at the location of the job...
@@ -91,7 +91,7 @@ public class JobActivity extends Activity {
 
     if(step instanceof Job.Work) {
       Job.Work workStep = (Job.Work)step;
-      if(workStep.doWork()) step.next();
+      if(workStep.doWork(dTime)) step.next();
       return true;
     } else if(step instanceof Job.PickupItem) {
       Job.PickupItem pickupStep = (Job.PickupItem) step;
diff --git a/src/main/java/xyz/valnet/hadean/gameobjects/worldobjects/pawn/Needs.java b/src/main/java/xyz/valnet/hadean/gameobjects/worldobjects/pawn/Needs.java
index 0d10e08..0b9f821 100644
--- a/src/main/java/xyz/valnet/hadean/gameobjects/worldobjects/pawn/Needs.java
+++ b/src/main/java/xyz/valnet/hadean/gameobjects/worldobjects/pawn/Needs.java
@@ -14,12 +14,12 @@ public class Needs implements Serializable {
   private float decay = 0.000004f;
 
   public void update(float dTime) {
-    energy = Math.max(energy - decay, 0);
-    recreation = Math.max(recreation - decay, 0);
+    energy = Math.max(energy - decay * dTime, 0);
+    recreation = Math.max(recreation - decay * dTime, 0);
   }
 
-  public void sleep() {
-    energy = Math.min(energy + decay * restRatio, 1);
+  public void sleep(float dTime) {
+    energy = Math.min(energy + decay * dTime * restRatio, 1);
   }
 
   public float getSleepNeed() {
diff --git a/src/main/java/xyz/valnet/hadean/gameobjects/worldobjects/pawn/Pawn.java b/src/main/java/xyz/valnet/hadean/gameobjects/worldobjects/pawn/Pawn.java
index 835203c..5a4ad92 100644
--- a/src/main/java/xyz/valnet/hadean/gameobjects/worldobjects/pawn/Pawn.java
+++ b/src/main/java/xyz/valnet/hadean/gameobjects/worldobjects/pawn/Pawn.java
@@ -177,11 +177,11 @@ public class Pawn extends Agent {
   // TODO at some point rewrite this to use an actor component array
   // where we loop through until something _does_ sometihng.
   @Override
-  protected boolean act() {
-    if(super.act()) return true;
+  protected boolean act(float dTime) {
+    if(super.act(dTime)) return true;
     // if(doJob()) return true;
     if(currentActivity != null) {
-      currentActivity.act();
+      currentActivity.act(dTime);
       return true;
     }
     return false;
diff --git a/src/main/java/xyz/valnet/hadean/gameobjects/worldobjects/pawn/SleepActivity.java b/src/main/java/xyz/valnet/hadean/gameobjects/worldobjects/pawn/SleepActivity.java
index 24b80e3..b6c510a 100644
--- a/src/main/java/xyz/valnet/hadean/gameobjects/worldobjects/pawn/SleepActivity.java
+++ b/src/main/java/xyz/valnet/hadean/gameobjects/worldobjects/pawn/SleepActivity.java
@@ -47,8 +47,8 @@ public class SleepActivity extends Activity {
   }
 
   @Override
-  public void act() {
-    needs.sleep();
+  public void act(float dTime) {
+    needs.sleep(dTime);
     if(needs.getSleepNeed() == 0) {
       callback.apply(this);
     }
diff --git a/src/main/java/xyz/valnet/hadean/gameobjects/worldobjects/pawn/WanderActivity.java b/src/main/java/xyz/valnet/hadean/gameobjects/worldobjects/pawn/WanderActivity.java
index 3590285..cace818 100644
--- a/src/main/java/xyz/valnet/hadean/gameobjects/worldobjects/pawn/WanderActivity.java
+++ b/src/main/java/xyz/valnet/hadean/gameobjects/worldobjects/pawn/WanderActivity.java
@@ -29,7 +29,7 @@ public class WanderActivity extends Activity {
   }
 
   @Override
-  public void act() {
+  public void act(float dTime) {
     // since wandering is literally just pathing.
   }
 
diff --git a/src/main/java/xyz/valnet/hadean/interfaces/IWorkable.java b/src/main/java/xyz/valnet/hadean/interfaces/IWorkable.java
index a912fc9..bdcef68 100644
--- a/src/main/java/xyz/valnet/hadean/interfaces/IWorkable.java
+++ b/src/main/java/xyz/valnet/hadean/interfaces/IWorkable.java
@@ -3,7 +3,7 @@ package xyz.valnet.hadean.interfaces;
 import xyz.valnet.engine.math.Vector2i;
 
 public interface IWorkable {
-  public boolean doWork();
+  public boolean doWork(float dTime);
   public Vector2i[] getWorkablePositions();
   public String getJobName();
 }