Ghost Recon: Island Thunder cheats and cheat codes for Playstation 2

Cheat mode:
Complete the following campaign missions to unlock cheat modes:

Big Head Mode
Finish Mission 7 in Defend Mode on Recruit. You must use a full team 
and none of your team-mates must die

Chicken Mode
Finish Mission 8 in Firefight Mode on Veteran. You must use a full team 
and none of your team-mates must die

Helium Mode
Finish Mission 4 in Defend Mode on Veteran using only one soldier

Paper mode:
Finish Mission 6 in Firefight Mode on Veteran using only one support soldier

Faster run
Finish Mission 1 in Recon Mode on Elite using a full team

Slo-Mo Mode
Finish  Mission 5 in Recon Mode on Elite. You can only use one soldier

Unlock characters:
Complete the following special objectives in the indicated campaign mission
to unlock new characters:

Finish mission 1 on Recruit during a Quick Mission in Mission Mode: A. Galinsky
Finish mission 6 on any difficulty: B. Gordon
Finish mission 2 on Veteran during a Quick Mission in Mission Mode: D. Munz
Finish mission 5 on Veteran during a Quick Mission in Mission Mode: G. Osadze
Finish mission 2 on any difficulty: H. Ramirez 
Finish mission 4 on any difficulty: Jack Stone
Finish mission 3 on any difficulty: Klaus Henke
Finish mission 3 on Elite during a Quick Mission in Mission Mode: Nigel Tunny
Finish mission 6 on Elite during a Quick Mission in Mission Mode: Scott Ibrahim
Finish mission 5 on any difficulty: Susan Grey
Finish mission 1 on any difficulty: W. Jacobs

Boost stats:
Start a private game in cooperative mode. Play the game on the elite mode 
with unlimited respawns and grenades. You will get a win and 45 kills easily.