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.

Energy Weapons (Perception)

The Energy Weapons skill determines your effectiveness with any weapon that uses Small Energy Cells, Micro Fusion Cells, EC Packs, or Flamer Fuel as ammunition.

Explosives (Perception)

The Explosives skill determines the ease of disarming any hostile mines and the effectiveness of any explosive weapon (all mines, all grenades, Missile Launcher, Fat Man, etc.).

Guns (Agility)

Guns determines your effectiveness with any weapons that uses conventional ammunition (.22 LR, .357 Magnum, 5mm, 10mm, 5.56mm, .308, .45-70 Gov't, etc.).

Lockpick (Perception)

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

Medicine (Intelligence)

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

Melee Weapons (Strength)

The Melee Weapons skill determines your effectiveness with any melee weapon, 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, Repair allows you to create items and Guns ammunition at reloading benches.

Science (Intelligence)

The Science skill represents your combined scientific knowledge, and is primarily used to hack restricted computer terminals. It can also be used to recycle Energy Weapon ammunition at workbenches.

Sneak (Agility)

The higher your Sneak skill, the easier it is to remain undetected, steal an item, or pick someone's pocket. 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.

Survival (Endurance)

The Survival skill increases the hit points you receive from food and drink. It also helps you create consumable items at campfires.

Unarmed (Strength/Endurance)

The Unarmed skill is used for fighting without a weapon, or with weapons designed for hand-to-hand combat, like Brass Knuckles, Power Fists, and Displacer Gloves.