Player choices

The Fallout series offers the player the ability to make choices that influence the outcome of Quests and other world events.

Skill checks

 * The criteria for dialogue skill checks varies between games.
 * Not all dialogue skill checks will require Charisma or Speech. Others may check for Intelligence or Explosives.
 * Some skill checks sweeten the pot for quest rewards.
 * Not all skill checks result in favorable outcomes.