area 51 game cheatsAre there any Cheats for the PS2 game "Area 51" i finished it but i need cheats to have more fun ... ANYKIND??

pLEASEE i need cheats for this game and all the websites only give me hints and stuff ... please if anyone knows tell me.... and if there isnt tell me the best area 51 game cheatsnext thing to a cheat!
check out the website below there is a trick to upgrade alien grenades to track people, there are also some other helpful hints but area 51 darea 51 game cheatsoesnt seem to have any actual cheats unless you care to invest in a gameshark...
COOL I WILL HAVE 2 TRY IT!!!