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What I am trying to achieve is an "initial buy" function for a unit. Basically, if the unit's buy flag is false, it show's the buy button. It's a one time button. If the unit's buy flag isn't false (aka, bought), it would delete the button and put something else in it's place. I tried to follow the example on the phaser site but it doesn't seem to want to work right. I've tried putting the destroy in it's own function, etc.. but no luck. Here is my gamestate.js - I'm looking specifically at the gameUnit1 function towards the bottom. Everything else in that function works as I want it to. var GameState = { create: function () { this.counter = 0; //styles this.headerStyle = {font: '30px Montserrat'}; this.HUDStyle = {font: '30px Montserrat'}; this.buttonStyle = {font: '15px Montserrat'}; //basic variables this.gold = 100; this.goldPerSecondBase = 1 //HUD text this.goldText = game.add.text(5, 5, "GOLD: " + this.gold, this.HUDStyle); this.goldText.anchor.setTo(0,0); this.goldPerSecondText = game.add.text(game.world.width-5, 5, "GPS: " + this.goldPerSecond, this.HUDStyle); this.goldPerSecondText.anchor.setTo(1,0); //gold button variables this.goldButtonValue = 200; //gold button this.goldButton = game.add.button(game.world.centerX, 120, 'goldCoin', function(){this.addGold(this.goldButtonValue)}, this); this.goldButton.anchor.setTo(0.5); this.goldButton.scale.setTo(0.4); this.goldButtonText = game.add.text(game.world.centerX, 175, "Click Value: " + this.goldButtonValue, this.HUDStyle); this.goldButtonText.anchor.setTo(0.5); this.goldButtonText.scale.setTo(0.4); //game unit 1 variables this.gameUnit1Name = 'Paladin Tank'; this.gameUnit1Bought = false; this.gameUnit1GoldPerSecond = 0; this.gameUnit1UpgradeLevel = 0; this.gameUnit1Button; }, //game unit 1 buttons gameUnit1: function() { if (this.gameUnit1Bought == false) { this.buyUnit1Button = game.add.button(100, 500, 'blankButton', function(){this.buyUnit1()}, this); if (this.gold <= 200) { this.buyUnit1Button.alpha = .1; } } else { this.buyUnit1Button.destroy(); this.unit1Text = game.add.text(12, 480, this.gameUnit1Name + ":", this.headerStyle); }; }, addGold: function(amount) { this.gold = (amount + this.gold); }, buyUnit1: function() { if (this.gameUnit1Bought == false) { if (this.gold >= 200){ this.gold = (this.gold - 200); this.gameUnit1Bought = true; this.gameUnit1GoldPerSecond = 1; this.gameUnit1UpgradeLevel = 1; }; }; }, calculateGoldPerSeond: function(fps) { this.goldPerSecond = ((this.goldPerSecondBase + (this.gameUnit1GoldPerSecond * this.gameUnit1UpgradeLevel))/fps); this.gold = (this.gold + this.goldPerSecond); }, update: function () { this.gameUnit1(); this.calculateGoldPerSeond(60); this.goldText.setText("Gold: " + ~~this.gold); this.goldPerSecondText.setText("GPS: " + ~~(this.goldPerSecond * 60)); } };