Personality of each character is individual because of many various parameters.
A character has personality traits, which determine his/her behaviour, mood, and actions. In total, a character has 6 main personality traits and 5 additional traits. During the creation of a new character, a player can choose main traits and some other features.
When new child is born he gets a set of teats automatically:
1 trait – from father (randomly);
1 trait – from mother (randomly);
1 trait – from grandfather (randomly);
1 trait – from grandmother (randomly);
2 traits – randomly from the general list.
A player will get an opportunity to choose all traits for on infant only if certain conditions will be fulfilled.
5 additional traits may be obtained during the life of a character, depending on his actions and life situations. Those traits can't be chosen by a player.
Characters react in a different way to objects, events, other characters' actions, weather – depending on their temperament and mood.
Character's reaction is automatic – without player's influence. A big part of gaming process is determined by artificial intelligence: an automatic reaction of a character on certain stimulus depends on his temperament. Some character's actions a player won't be able to predict of change.