Qt Quick Demo - Same Game

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 import QtQuick 2.0
 import QtQuick.Particles 2.0

 Item {
     id: block
     property bool dying: false
     property bool spawned: false
     property int type: 0
     property ParticleSystem particleSystem

     Behavior on x {
         enabled: spawned;
         SpringAnimation{ spring: 2; damping: 0.2 }
     }
     Behavior on y {
         SpringAnimation{ spring: 2; damping: 0.2 }
     }

     Image {
         id: img
         source: {
             if (type == 0){
                 "gfx/red.png";
             } else if (type == 1) {
                 "gfx/blue.png";
             } else if (type == 2) {
                 "gfx/green.png";
             } else {
                 "gfx/yellow.png";
             }
         }
         opacity: 0
         Behavior on opacity { NumberAnimation { duration: 200 } }
         anchors.fill: parent
     }

     //Foreground particles
     BlockEmitter {
         id: particles
         system: particleSystem
         group: {
             if (type == 0){
                 "red";
             } else if (type == 1) {
                 "blue";
             } else if (type == 2) {
                 "green";
             } else {
                 "yellow";
             }
         }
         anchors.fill: parent
     }

     states: [
         State {
             name: "AliveState"; when: spawned == true && dying == false
             PropertyChanges { target: img; opacity: 1 }
         },

         State {
             name: "DeathState"; when: dying == true
             StateChangeScript { script: {particleSystem.paused = false; particles.pulse(100); } }
             PropertyChanges { target: img; opacity: 0 }
             StateChangeScript { script: block.destroy(1000); }
         }
     ]
 }