At the start of the game the attributes of the three choices may be shuffled. In that first selection you have to make sure that all duplicants have acceptable combinations of attributes and positive and negative traits. When you have reached an acceptable selection you may rename any duplicant as desired and then start the game.

In the selection dialog that appears every 3 cycles you can not shuffle the attributes of these three possible duplicants. You can either pick one or reject the entire selection. If your Colony can't handle another duplicant right now you can also ignore the selection dialog entirely. Until you either select a new duplicant or reject the selection the 3 cycle timer will be paused.

Duplicants will spawn at the Printing Pod and then immediately pick up a job if there is one available.

Each duplicant has a number of properties and conditions such as strength or health.


Each duplicant has 11 different attributes that can be leveled up by mastering jobs. They define how effectively duplicants will perform those errands. From the start each duplicant usually has some attributes with a starting bonus sometimes influenced by their traits. Sometimes a negative trait may cause a duplicant to be unable to perform certain jobs altogether.

Most attributes can be trained. The maximum level an attribute can be trained to is 20, trait modifiers are applied after the training levels.

A duplicant will start with all attributes at 0, with that number being modified by any traits and interests that they have. For instance, a duplicant with interests in Supplying and Tidying and the Buff trait, will have 9 strength and 0 in every other attribute.

The following attributes are available:

Inborn traits (traits duplicants start with) give bonuses or maluses to duplicants attributes. Negative traits may also make it impossible for a duplicant to perform certain jobs. Traits gained through certain jobs mainly allow for the duplicant to use certain stations and perform certain errands.





* Note that narcoleptic sleep can be interrupted by giving the Duplicant a movement command.

Each duplicant may have at most 3 interests. They enjoy performing related jobs and will master them 50% faster.

• Art
  
• Build
  
• Cook
• Farm
  
• Dig
  
• Operate
  
• Ranch
  
• Research
• Supply
  
• Tidy

Properties are aspects of Duplicants that aren't leveled and can't be intrinsically changed (as opposed to Skills). However, many Attributes have positive and negative Traits associated with them.

Morale has an impact on how much Stress is incurred or reduced and is affected by several factors. Generally, there are very few Morale Penalties.

Required Morale depends on a Duplicant's highest job level or current training. 1 Morale is required if unemployed, 30 is the highest level. High Morale decreases Stress by up to 25% each cycle, low Morale increases Stress by up to +25%.

Duplicants have a perception of Decor and Food. The higher the average Decor during the last cycle and the higher the Food Quality, the higher the Morale Boost will be. Morale penalties will be incurred if below the individual's perception.

Without a modifier, the Morale from Food ranges from -1 to +16 or is modified 0 to +16 with the Simple Tastes trait and -1 to +12 with Foodie. Duplicants will start eating in their downtime when below 3.300kcal and has the highest priority.

Normal Decor Perception is at 0, exceeding it can yield up to +12 Morale when reaching 120 difference and failing to will decrease Morale by -1. The Morale Boost is not linear.

Using rooms, having downtime and interacting with certain buildings will confer a Morale Boost. Duplicants will use certain furniture only if they do not yet have the Morale Boost and they do so in the order of the most possible Morale gained.

The highest Morale achievable is 49. The lowest is -1.

Each Duplicant has a different stress response. These responses trigger at 60% and 100% stress (stress is reduced after the 100% response). All responses stop the current job in order to perform the response. These responses cannot be stopped by Red Alert or commanding the Duplicant to move.

Joy responses are positive effects that can occur when the morale of a duplicant is higher than necessary for their job requirements.

Individual Duplicants can have ownership of certain structures: Cots, Comfy Bed, Mess Tables, Massage Tables, Med Beds, and Pharma Chambers. Each Duplicant can only be assigned to one, and they can be reassigned by the player at any time. They will automatically select them for themselves if left unassigned, or the duplicant becomes sick.

Thanks to Oxygen Not Included Wiki and friends for providing information for this guide.










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