Lamentations of the Flame PrincessLotFP uses a few skills.
Architecture (1 in 6)
Bushcraft (1 in 6)
Climb (1 in 6)
Languages (1 in 6)
Open Doors (1 in 6)
Search (1 in 6)
Sleight of Hand (1 in 6)
Sneak Attack (1 x damage)
Stealth (1 in 6)
Tinker (1 in 6)
Most classes have a 1 in 6 chance to succeed at these skills.. Specialists get 4 skill points at 1st level and 2 skill points per level after that. They can spend skill points to raise the chance of success in a skill by 1.
Dwarves have Architecture starting at 3 in 6, Elves have Search starting at 2 in 6, and Halflings have Bushcraft starting at 3 in 6 and Stealth at 5 in 6. Their skills (except Halfling Stealth) each go up as they go up in levels.
S&W White Box + White Box OmnibusWhite Box Omnibus has a few skills:
Lore for Bards and Scholar Magic Users. Forestry for Druids and Rangers. Stealth for Monks. Thievery for Thieves. In S&W White Box, it describes the following skills for the demihumans: Dwarvish Keen Detection can detect traps, slanting passages, and construction underground, Elvish Keen Detection allows them find hidden doors, and Halfling Near Invisibility allows them to move silently and hide well.