Merci,
mais j'ai vu sur un forum anglophone
(http://www.ps3forums.com/showthread.php?t=146097)
que la seringue était interdite.
D'ailleurs selon ce forum, seuls les rations, regains et seringues seraient interdits...
"#1 - Big Boss
Type - Elite
Difficulty - 10/10
Criteria (Requirement)
Number of Alerts Phases - 0
Number of Kills - 0
Number of Continues - 0
Game Time - Less than 5:00
Rations, Regain, Noodle Used - 0
No use of Stealth Camouflage or the Bandana
Difficulty played on The Boss Extreme ONLY
Special Completion Bonuses: Patriot, Big Boss FaceCamo, Big Boss iPod song."