

How close one can sneak to a target before detected depends on a combination of several factors. Ghost can also increase your sneak skill, though only at night or other low light conditions. The perks Thief and Master Thief both increase your sneak skill. In Fallout and Fallout 2 you cannot run and sneak at the same time unless you have the Silent Running perk. Sneak only covers sneaking as such, while pickpocketing is covered by the steal skill.

The initial skill is determined as follows:
