Barter (Charisma)

The Barter skill affects the prices you get for buying and selling items. In general, the higher your Barter skill, the lower your prices on purchased items.

Big Guns (Endurance)

The Big Guns skill determines your combat effectiveness with all oversized weapons such as the fat man, missile launcher, flamer, and gatling laser.

Energy Weapons (Perception)

The Energy Weapons skill determines your effectiveness with weapons such as the laser pistol, laser rifle, plasma rifle and plasma pistol.

Explosives (Perception)

The Explosives skill determines the power of set mines, the ease of disarming hostile mines, and the effectiveness of thrown grenades.

Lockpick (Perception)

The lockpick skill is used to open locked doors and containers.

Medicine (Intelligence)

The Medicine skill determines how many hit points you replenish when using a stimpak, and the effectiveness of Rad-X and RadAway.

Melee Weapons (Strength)

The melee weapons skill determines your effectiveness with melee weapons, from the simple lead pipe all the way up to the high-tech super sledge.

Repair (Intelligence)

The Repair skill allows you to maintain your weapons and apparel. In addition, the higher your Repair skill, the better the starting condition of any custom-made weapons.

Science (Intelligence)

The Science skill represents your combined scientific knowledge, and is primarily used to hack restricted computer terminals.

Small Guns (Agility)

The Small Guns skill determines your effectiveness with conventional projectile weapons, including the 10mm pistol, BB gun, assault rifle, and combat shotgun.

Sneak (Agility)

The higher your Sneak skill, the easier it is to remain undetected, steal an item, and pick someone's pocket. Also, successfully attacking while undetected grants an automatic critical hit.

Speech (Charisma)

The Speech skill governs how much you can influence someone through dialogue and gain access to information they might otherwise not want to share.

Unarmed (Strength)

The Unarmed skill is used for fighting without a weapon, or with the few weapons specifically designed for hand-to-hand combat, like brass knuckles and the power fist.