Duplicants come with positive or negative traits that affect their vitals, attributes and job performance. Traits do not change over time. Traits will not overwrite the maximum an attribute can reach, which is a value of 25.
Positive Traits Edit
"This Duplicant is light as a feather on their feet"
"This Duplicant has muscles on their muscles"
"They're great for tunneling, but finding gloves is a nightmare"
"This Duplicant likes to throw a wrench into the colony's plans...in a good way"
"This Duplcant's sharp as a tack and learns new skills with amazing speed"
"'Move it a little to the left...'"
"This Duplicant has good bedside manner and a healing touch"
"This Duplicant wakes up feeling fresh and efficient!"
+2 All Attributes
"This Duplicant does their best work when they ought to be sleeping"
+3 All Attributes
"This Duplicant has simply no appreciation for the arts"
Negative Traits Edit
"This Duplicant has trouble keeping up with others"
"This Duplicate's arms have all the tensile strength of an overcooked linguine"
"This Duplicant's a little slow on the uptake, but gosh do they try"
"This Duplicant isn't the brightest star in the solar system"
"This Duplicant abhors violence"
"This Duplicant has a deep-seated distrust of the culinary arts"
"This Duplicant is of delicate disposition and cannot tend to the sick"
"This Duplicant needs a little extra time to 'do their business'"
-50% Toilet Speed
"This Duplicant has a tiny, pea-sized bladder. Adorable!"
Doubled bladder fill speed
"All the vitamin C in space can't stop this Duplicant from getting sick"
25% more likely to get infected
"This Duplicant might actually be several black holes in a trench coat"
+500 kcal needed per day
"This Duplicant sucks up way more than their fair share of Oxygen"
+100 g/s Oxygen Consumed
"This Duplicant can and will fall asleep anytime, anyplace"
Falls asleep every 300-600s, for 15-30s (average of 30s per cycle)
"In space, everyone can hear you snore"
Wakes up duplicants within 3 tiles when sleeping, causing interrupted sleep.
"Some Duplicants are just full of it"
Emits 5 g of Natural Gas every 10-40s (average 0.2 g/s)