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From The Vault

Fallout, Fallout 2, Fallout Tactics
modifies: Number of new skill points per level, dialogue options, many skills
related perks: Gain (Fallout 2) Smooth Talker, Animal Friend, Educated, Empathy, Bonus Rate of Fire, Healer, Rad Resistance, Sharpshooter, Survivalist, Swift Learner.
related traits: Gifted
Fallout 3
modifies: Number of new skill points per level, Medicine, Repair, Science
related perks: Comprehension, Computer Whiz, Daddy's Boy/Daddy's Girl, Educated, Entomologist, Gun Nut, Nerd Rage, Swift Learner
J.E. Sawyer's Fallout RPG
modifies:  ?
related perks:  ?
related traits:  ?
Van Buren
modifies:  ?
related perks:  ?
related traits:  ?

"It takes the smartest individuals to realize there's always more to learn"

Intelligence is one of the Primary Statistics in the SPECIAL character system. It represents knowledge, wisdom and the ability to think quickly. A high Intelligence plays an important role for any kind of character.


Fallout, Fallout 2 and Fallout Tactics

Modifies: the number of new Skill Points per level, dialogue options, and many skills.

One of the unique qualities of Fallout and Fallout 2 was the difference in gameplay caused by creating a low intelligence character. If you have a low intelligence, many NPCs will simply shrug you off, while others will insult or even attack you. It is possible to complete the game as an idiot, but most side-quests are impossible to do, and character growth is limited, as is the story involvement possible - while you can certainly bumble through the main quests, almost all plot details and background information will be left missing. Furthermore, due to limited-at-best NPC interaction, almost all side-quests are unavailable. Because of this, playing as a low intelligence character is only recommended for experienced players looking to role-play, or as humourous replay option.

Fallout 3

Modifies: Medicine, Repair, and Science skills, as well as the number of new Skill Points per level.

Intelligence determines the number of skill points you receive each time you level up. The base number of skill points gained per level is 10+Intelligence. Skill points gained for raised intelligence are not retroactive for past levels, so increasing this primary stat early if at all is the best. Also, temporary modifiers to intelligence (e.g. from Night Person or Button's Wig) do not affect the number of skill points gained.

One of the methods to maximize skill is to place 9 points in intelligence at character creation, then rush to Rivet City Science Lab and grab the bobblehead once you are out of the vault at level 2. The easiest way to get there is by the west side of river (don't forget to ignore all npcs, so that you don't gain a level accidently). After the Citadel, you can swim around Jefferson Memorial to reach Rivet City. Another strategy is to swim the entire route to Rivet City, thereby avoiding all encounters once you reach the water. If you start the Contract Radiation Sickness objective for the Wasteland Survival Guide quest beforehand, you can Fast Travel back to Megaton afterwords and have your radiation healed for free.

It should be noted that with Comprehension, Bobbleheads, and the base skills, it is entirely possible to reach the magic total of 1300 skill points required to maximize all skills with a merely average Intelligence, even without Educated. It is even possible to max all skills with a starting Intelligence of 1, but this is very difficult, and requires meticulous min-maxing.

Value Skill Points / Level Skill Modifiers
1 11 Medicine +2, Repair +2, Science +2
2 12 Medicine +4, Repair +4, Science +4
3 13 Medicine +6, Repair +6, Science +6
4 14 Medicine +8, Repair +8, Science +8
5 15 Medicine +10, Repair +10, Science +10
6 16 Medicine +12, Repair +12, Science +12
7 17 Medicine +14, Repair +14, Science +14
8 18 Medicine +16, Repair +16, Science +16
9 19 Medicine +18, Repair +18, Science +18
10 20 Medicine +20, Repair +20, Science +20

Intelligence-based Perks

Perk Requirement Level Additional Requirements
Daddy's Boy / Daddy's Girl 4 2
Gun Nut 4 2 Agility 4
Swift Learner 4 2
Comprehension 4 4
Educated 4 4
Entomologist 4 4 Science 40
Nerd Rage 5 10 Science 50
Computer Whiz 7 18 Science 70
Warmonger 7 26

Ways to increase Intelligence

Primary statistics

This article uses material from the "Intelligence" article on the Fallout wiki at Wikia and is licensed under the Creative Commons Attribution-Share Alike License.

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