Combat 3 - 10% PP boost from weapons kills.
Rescue - Get 25% PP boost from survivor activities.
Driving - 4 wheeled vehicles get 3x durability.
Barganing 1 - lowers cost of items in pawn shop by 10%
Health 1 - Health restoration from food items 50%.
Health 2 - Food items health restoration boost 100%.
Combat 1 - 10% PP boost from weapon kills.
Combat 2 - 10% boost to PP from weapon kills.
Hand to Hand - Bare handed attacks have power increase
Gambling 1 - significant increases from gambling games
Horror 1 - 25% boost from killing zombies
Horror 2 - 25% PP boost from killing zombies
Bike - Bikes get 3X Durability.
Leadership - Survivors are much more effective in Chuck's party.
Gambling 2 - significant increases when playing gambling games.
Gambling 3 - Gambling Mag 3
Juice Boost - Consumed juice effects last twice as long.
Blades - Edged weapons have 3X more durability.
Playboy - Get 10% PP boost from female survivor activities.
Amusement - Toy items have 3X durability.
Sports - Sports items have 3X Durability
Drinking - Drink multiple alcoholic drinks without being sick.
Games - Entertainment items have 3x durability.
Domestic - Furniture items have 3x durability.
Skateboarding - Gain ability to do new trick - skateboard lasts 3 x longer.
Building - Construction items have 3X durability.
Psychos - Get 25% boost from beating psychos.

★ 정확한 위치 부가설명 ★

Psychos - 우선 지도상 위치에서 왼쪽인 Cash Gordon's Casino 왼편에 음료자판기를 통해 위로 올라 갑니다.. 올라가면 코끼리 인형이 있고 거기서 뒤로 돌아 오른편 건물로 점프 하면 있습니다

Drinking - 일단 아틀란티카 카지노에 들어가면 가리비 모양의 구조물이 있는데 오른편 뒤로 올라갈 수 있습니다.. 천장으로 올라가면 여러 갈래길이 있는데 구불구불 여러개임.. 그중에 지도표시된곳에 있습니다..

Blade - Case 2-2 에 TK 미션을 깬후에 지하로 내려가서 중사 잡는 곳 상자위에 있습니다