Shadow Ops: Red Mercury

All single player levels:
Select the "Cheats" option at the in-game menu (during a level), then enter happycamper as a code.
cherries2.

All cooperative levels:
Select the "Cheats" option at the in-game menu (during a level), then enter wanderlust as a code.
kidhinze and cherries2.

Unlimited ammunition:
Select the "Cheats" option at the in-game menu (during a level), then enter packmule as a code.
cherries2.

All FMV sequences:
Select the "Cheats" option at the in-game menu (during a level), then enter filmcritic as a code.
cherries2.