The murder :
50 mutants:  +1 big guns, +1 total wt
50 men: +1 small guns
50 women: +1 melee weapons, +1 throwing
50 robots: +1 lock pick, +1 traps, +1 science, +1 repair
50 deathclaws: +1 unarmed

80 people (men and(or) women): +1 Energy Weapons

100 beasts (centaurs, floaters, rats, ants, deathclaws, rad Scorpions, brahmin, dogs, mantis, flowers, geckos, others): +1 Skill Points

1000 any npc: +1 Sequence
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Add perk done right after killing a certain number of people