new Time(game)
This is the core internal game clock. It manages the elapsed time and calculation of elapsed values, used for game object motion and tweens,and also handles the standard Timer pool. To create a general timed event, use the master Phaser.Timer accessible through events. There are different types of time in Phaser:
Game time always runs at the speed of time in real life. Unlike wall-clock time, game time stops when Phaser is paused. Game time is used for timer events.
Physics