Merchants of Brooklyn

Merchants of Brooklyn cheat codes: 
Start the game with the -DEVMODE command line parameter.
Then while playing the game, press one of the following
keys to activate the corresponding cheat function:
[F1]  - Toggle 1st/3rd Person View
[F2]  - Just to First Checkpoint
[F10] - Just to Second Checkpoint
[F3]  - Toggle Fly/Ghost Modes

Additionally, press [~] while playing the game to display
the console window. Then, type one of the following codes
and press [Enter] to activate the corresponding cheat function:
g_godmode 1         - God Mode
i_noweaponlimit 1   - Carry Unlimited Weapons
i_unlimitedammo 1   - Unlimited Ammo
r_displayinfo 0     - Hide Developer Info
ai_IgnorePlayer = 1 - I Ignores Player