C:Documents and SettingsyourusernamehereApplication DataLionhead StudiosThe Moviesunlocking.ini

Delete whatever is inside here and put in the following:

highest_decade = 2100

[prizes]
RANKPRIZE_1
RANKPRIZE_2
RANKPRIZE_3
RANKPRIZE_4
RANKPRIZE_5
RANKPRIZE_6
RANKPRIZE_7
RANKPRIZE_8
RANKPRIZE_9
RANKPRIZE_10
RANKPRIZE_11
RANKPRIZE_12
RANKPRIZE_13
RANKPRIZE_14
RANKPRIZE_15
RANKPRIZE_16
RANKPRIZE_17
RANKPRIZE_18
RANKPRIZE_19
RANKPRIZE_20
RANKPRIZE_21
RANKPRIZE_22
RANKPRIZE_23
RANKPRIZE_24

Save, and you will have all the rewards gained from story mode in Sandbox mode.

If this file does not exist, get the first reward gained from story mode to have the computer create this file for you.

OR

You could open up some type of word processer and put this in and then save it as unlocking.ini in the

C:Documents and SettingsyourusernamehereApplication DataLionhead StudiosThe Movies