diff --git a/dist/index.html b/dist/index.html
index 846801a..6342042 100644
--- a/dist/index.html
+++ b/dist/index.html
@@ -210,6 +210,9 @@
 						<br>
 						<label for="food-drop-rate" title='Rate at which food is automatically generated and dropped in the world'>Auto food drop rate:</label>
 						<input type="number" id="food-drop-rate" value=0 max="1000">
+						<br>
+						<label for="extra-mover-cost" title='Additional food cost for movers to reproduce'>Extra mover reproduction cost:</label>
+						<input type="number" id="extra-mover-cost" value=0 max="1000" step="1">
 						
 					</div>
 					<div class='right-half'>
diff --git a/src/Controllers/ControlPanel.js b/src/Controllers/ControlPanel.js
index c45c03c..59bc4d5 100644
--- a/src/Controllers/ControlPanel.js
+++ b/src/Controllers/ControlPanel.js
@@ -229,6 +229,10 @@ class ControlPanel {
         $('#food-drop-rate').change(function() {
             Hyperparams.foodDropProb = $('#food-drop-rate').val();
         });
+        $('#extra-mover-cost').change(function() {
+            console.log(parseInt($('#extra-mover-cost').val()))
+            Hyperparams.extraMoverFoodCost = parseInt($('#extra-mover-cost').val());
+        });
 
         $('#evolved-mutation').change( function() {
             if (this.checked) {
@@ -311,6 +315,7 @@ class ControlPanel {
         $('#movers-produce').prop('checked', Hyperparams.moversCanProduce);
         $('#food-blocks').prop('checked', Hyperparams.foodBlocksReproduction);
         $('#food-drop-rate').val(Hyperparams.foodDropProb);
+        $('#extra-mover-cost').val(Hyperparams.extraMoverFoodCost);
         $('#look-range').val(Hyperparams.lookRange);
 
         if (!Hyperparams.useGlobalMutability) {
diff --git a/src/Hyperparameters.js b/src/Hyperparameters.js
index b4dfa02..9579f11 100644
--- a/src/Hyperparameters.js
+++ b/src/Hyperparameters.js
@@ -24,6 +24,8 @@ const Hyperparams = {
         this.lookRange = 20;
 
         this.foodDropProb = 0;
+
+        this.extraMoverFoodCost = 0;
     },
 
     loadJsonObj(obj) {
diff --git a/src/Organism/Organism.js b/src/Organism/Organism.js
index ef38f03..a1db6b6 100644
--- a/src/Organism/Organism.js
+++ b/src/Organism/Organism.js
@@ -47,11 +47,10 @@ class Organism {
 
     // amount of food required before it can reproduce
     foodNeeded() {
-        return this.anatomy.cells.length;
+        return this.anatomy.is_mover ? this.anatomy.cells.length + Hyperparams.extraMoverFoodCost : this.anatomy.cells.length;
     }
 
     lifespan() {
-        // console.log(Hyperparams.lifespanMultiplier)
         return this.anatomy.cells.length * Hyperparams.lifespanMultiplier;
     }
 
@@ -118,7 +117,7 @@ class Organism {
                 org.species.addPop();
             }
         }
-        this.food_collected -= this.foodNeeded();
+        Math.max(this.food_collected -= this.foodNeeded(), 0);
 
     }