All skill rolls are percentiles made with a d100.
A skill success is a roll ≥ your skill.
A skill failure is a roll < your skill.
Too, there are “Special” & “Critical” rolls.
A Special roll is any percentage, evenly divisible by 10, except 100%.
A Special success is any Special roll that is ≥ your skill.
A Special failure is any Special roll that is < your skill.
A Critical roll is any percentage that is “Doubles”. This includes every percentage evenly divisible by 11, & 100%. E.g. “00”/zero zero.
A Critical success is any double that is ≥ your skill.
A Critical failure is any double that is < your skill.
In comparing rolls (typically skill vs skill), from the top down, this type of roll beats the types of rolls below it.
Critical Success
Special Success
Success
Failure
Special Failure
Critical Failure
If, for example, two people get Critical Successes, the higher of the two numbers wins. If those two rolls are the same number, then the person with the higher skill wins.
If, during game play, you succeed with a skill, ask the Keeper if it deserves “a check”. If the Keeper determines that it does, make a light check-mark in the box provided next to the skill in question. If the roll was a Special success, put a light “s” in the box, and if the roll was a Critical success, put a light “c” in the appropriate box.
(Erase any checks after the monthly skill improvement rolls.)
Approximately once a real life month, characters will have an opportunity to improve the skill(s) they have checks by.
(Or that they are training in. We’ll deal with these later.)
To succeed, they must roll a d100, and add the appropriate Skill Category Modifier; the total must be < their current skill, or 101+%.
Special checks get to roll twice to improve the skill.
Critical checks get to roll thrice to improve the skill.
You can only improve a skill once a month, regardless of the number of times you’re allowed to try.
Improvement Reward Summary
Method________Normal check_____Special check_____Critical check_____Time Required between checks
Experience¹____d12-2%__________d10%____________d8+2%__________Approximately 1 real life month.
Training_______d12-2%__________d10%____________d8+2%__________Hours equal to skill%. (min. of 1 hr.)
Research______d12-2%__________d10%____________d8+2%__________Hours equal to skill%. (min. of 1 hr.)
POW gain³_____d3-1_____________d3______________d3+1____________Approximately 1 real life month after a successful POW vs ≤ POW attack.
Characteristic²_d3-1_____________d3_______________d3+1___________Current Characteristic x 25 game hours.
¹ Must have successful experience increase roll.
² May increase by training or research.
³ Special rules - refer to Call of C’thulhu book.
Adieu, Adéesse, & Blest be,
-Bander