On the password screen flip the pictures to the corresponding characters.

Password	Effect
Obelix, Asterix, Dog, Old GuyCondor	Grecia Level 1
Falbala, Abraracourcix, Obelix, IdefixGrecia	Grecia Level 2
Asterix, Obelix, Old Guy, Blonde GirlHelvetia	Grecia Level 3
Panoramix, Asterix, Obelix, IdefixMountains	Grecia Level 4
Obelix, Falbala, Idefix, PanoramixThe Roman Camp	Grecia Level 5