Completion bonuses

Successfully complete the game. Load your cleared saved game file to resume the 
game with the following bonuses.

* Have the experience, money, weapons, levels, upgrades, and orders earned on your 
previous session.
* Hard difficulty for skirmishes.
* Select any storyline mission to replay.
* Music option to hear music from the game.
* Statistics option to view the rank earned for a particular mission and the number 
of turns it was completed.
* Skip intermission sequences.