All the objects are ready. Next comes the fun part of assembling the game and testing it. Click the Assemble Game tab, whose resulting screen has several buttons and fields. The area on the left labeled Levels lists all the levels that you’ve created. Level 1 is always created by default.
There are three levels in this game. The first level is a title screen, the second is the game, and the third is the Game Over screen.
Assembling the title screen that has the Start button is simple. First change the name of the level, shown on top of the level editor, to IntroGame. Then change the width and height of both the View and Level Size areas to 800 pixels by 600 pixels.
In this level, CG12_introgame is used ...