Gettysburg

Gettysburg cheat codes: 
1. Press SHIFT + ENTER
2. enter one of the following codes
3. press ENTER

Union codes:
Hooker    - Fortify everyone
Hancock   - Eliminate all stress
Mcclellan - Increase experience
Buford    - Reset clock to start time
Sedgewick - Advance clock to end time
Reynolds  - Bring in all reinforcements immediately
Halleck   - Computer vs. Computer mode (it's a toggle)
Sheridan  - Rally all routed troops
Warren    - See all troops
Custer    - See enemy order of battle


Confederacy codes:
Longstreet - Fortify everyone
Jackson    - Eliminate all stress
Beauregard - Increase experience
Stuart     - Reset clock to start time
Pickett    - Advance clock to end time
Hill       - Bring in all reinforcements immediately
Halleck    - Computer vs. Computer mode (it's a toggle)
Lee        - Rally all routed troops
Hotchkiss  - See all troops
Harrison   - See enemy order of battle

Obviously being able to see the AI fight AI is useful as is the
reset clock (since that is what everyone wants to do it seems).