var game = new Phaser.Game(800, 600, Phaser.AUTO, 'phaser-example', { preload: preload, create: create });

function preload() {

    game.load.tilemap('nes', 'assets/maps/mario1.png', 'assets/maps/mario1.json', null, Phaser.Tilemap.JSON);
    game.load.tilemap('snes', 'assets/maps/smb_tiles.png', 'assets/maps/smb_level1.json', null, Phaser.Tilemap.JSON);

}

function create() {

    game.stage.backgroundColor = '#5c94fc';

    game.add.tilemap(0, 0, 'nes');
    game.add.tilemap(0, 168, 'snes');

    game.add.tween(game.camera).to( { x: 5120-800 }, 30000, Phaser.Easing.Linear.None, true, 0, 1000, true);

    game.input.onDown.add(goFull, this);

}

function goFull() {
    game.stage.scale.startFullScreen();
}