fo2-skills.txt

- small guns
  - 5 + 4 * AG
- big guns
  - 2 * AG
- energy weapons
  - 2 * AG
- unarmed
  - 30 + 2 * (AG + ST)
- melee weapons
  - 20 + 2 * (AG + ST)
- throwing
  - 4 * AG
- first aid
  - 2 * (PE + IN)
- doctor
  - 5 + PE + IN
- sneak
  - 5 + 3 * AG
- lockpick
  - 10 + PE + AG
- steal
  - 3 * AG
- traps
  - 10 + PE + AG
- science
  - 4 * IN
- repair
  - 3 * IN
- speech
  - 5 * CH
- barter
  - 4 * CH
- gambling
  - 5 * LK
- outdoorsman
  - 2 * (EN + IN)

EASY: all non-combat skills have +20
NORMAL: 0
HARD: all non-combat skills have -10

every level, you get (5 + 2 * IN) skill points to distribute

  0-100%: 1% costs 1 skill point
101-125%: 1% costs 2 skill points
126-150%: 1% costs 3 skill points
151-175%: 1% costs 4 skill points
176-200%: 1% costs 5 skill points
201-300%: 1% costs 6 skill points

3 skills must be tagged on character creation as primary:
  - adds permanent bonus of 20%
  - doubles its improvement score

at lvl 12 there is a perk allowing to tag one more primary skill