Enter "HARDCASE" to get unlimited weapons, but low armour.
2-"BQQQAEB" | 4---"WEIVVJT"
3-"KLJLTOE" | END-"ONKKQKF"
"BQQQAEZ"-10 guys and when you run low on ammo press 'F10' or '0' to call up the map and press either again to go back to the game and you will find all ammo is restocked.