Beat Fiona's lvl 3 challenges: Gun Emplacements, Pistol, Grenade Launcher, and Sniper to unlock the extra costumes for each character.
Enter these in the factions menu. A beep will confirm that you have entered these correctly.
|Right, Down, Left, Up, Up, Left, Down, Right||$1,000,000|
|Right, Down, Left, Up, Right, Down, Left, Up||Full Fuel|
|Right, Left, Right, Right, Left, Right, Left, Left||Infinite Ammo|
|Press Up, Down, Up, Down, Left, Right, Left, Right||Infinite Health|
|Up, Up, Up, Up, Down, Down, Right, Left||Reset all factions to neutral|
Thanks to revolutionary readers Tim and MichaelnSchart-McWethy!