 Halo 3 is the final game in the main Halo trilogy , ending the story arc begun in Halo : Combat Evolved . The game was released on the Xbox 360 on September 25 , 2007 . It adds to the series new vehicles , new weapons , and a class of items called equipment . The game also includes a limited map @-@ editing tool , known as the Forge , which allows players to insert game objects , such as weapons and crates , into existing multiplayer map geometry . Players can also save a recording of their gameplay sessions , and view them as video , from any angle . 
