Brothers In Arms Hell's Highway

Unlock American Assault and German Commander bonus online characters:
While you are at the main menu, choose the "Enter Codes" option, then
enter HI9WTPXSUK as a code to unlock the bonus online characters.

All recon points cheat:
While you are at the main menu, choose the "Enter Codes" option, then
enter 0ZNDRBICRA as a code for all recon points.

Kilroy alert:
While you are at the main menu, choose the "Enter Codes" option, then
enter SH2VYIVNZF or 4V35JZHQD6 as a code. "You are near a Kilroy" message
will warn you, when a hidden Kilroy drawing is in your proximity.

Unlock all chapters:
While you are at the main menu, choose the "Enter Codes" option, then
enter GIMMECHAPTERS as a code.

Unlock authentic mode:
Finish Campaign mode under the Casual or Veteran difficulty level.
In authentic mode the HUD is limited. You can earn medal
each time a level is completed in this mode.

Unlock Hard difficulty level:
Finish the Campaign mode on the Easy or Normal difficulty level.