+2 HP per second per 200 rads accumulated You do an additional 50% damage every time you attack a mutated insect. You gain two more skill points every time you advance in level. You gain one additional skill point for reading books and double the skill points for reading magazines. When you're in Sneak mode, you gain the option to eat a human corpse to regain hit points, but lose Karma. You gain an additional 10% whenever experience points are earned. Skill Magazines last for 3 real-time minutes, from 1 You can put a single point into any of your SPECIAL attributes.ДЄll of your weapon reloads are 25% faster than normal. In combat, you do 75% more critical damage against animals and mutated animals. Your eyes adapt quickly to low-light conditions +10% damage to the same sex and unique dialogue options with certain characters. +10% damage to the opposite sex and unique dialogue options with certain characters. For example, the effects of surgical implants are counted as special perks, which are unlocked once the implant is purchased. Completing quests and performing certain actions unlock them. Special perks are granted from other sources, usually through actions in the game world. Additionally, some challenge perks have multiple ranks or more than one version, such as Caza-Death Dealer, which 'level up' as the player continues adding to its requisite challenge task.

For example, Set Lasers for Fun increases the odds of scoring Critical Hits with energy-based energy weapons to earn the perk, a player must do 16,000 damage with one handed energy weapons over the course of their game. Most of the perks obtained this way are related to the skill or task that was completed to earn it. Challenge tasks can be accessed from the Pip-Boy menu on the 'Misc.' page, accessible from the 'Data' section. Companions told to wait are still counted as active companions.Д¬hallenge perks are unlocked by fulfilling certain requirements. Unless the companion is dismissed, the perk will remain in effect regardless of the distance between the player and their companions. The perk remains in effect so long as the companion is currently following the player. For example, Enhanced Sensors is only in effect while the Courier is accompanied by ED-E. You can get up to a total of 25 non-challenge perks with all four add-on installed.Д¬ompanion perks, as their name suggests, are granted by the player's companions. Other types of perks are granted through completing various tasks, and do not count against the limit of regular perks. Only regular perks may be selected during level up. There are 88 regular perks, 8 companion perks, 16 challenge perks and several other special perks. To counter how easy it was to max out the player's skills in Fallout 3, most of the skill-boosting perks have been removed or replaced. Unlike in Fallout 3, the Perk Rate in Fallout: New Vegas is one perk every two levels.

Fallout 4 perk mod