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A fine white powder snorted to produce a euphoric high. Yayo reduces the user's need for rest, and suppresses pain. It is, however, addictive.

DrugHard Drug
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Yayo is a drug of 10% addiction rate that can be produced at a drug lab with 8 psychoid leaves after researching Psychite refining. Consumption will generate the Feeling pumped! Let's do this! thought which has a +35 mood effect and affects the body with:

  • Moving: +15%
  • Improves joy 80%
  • Suppresses pain x50%
  • Reduces need for rest 40%

Those with visible tolerance to psychite, will develop chemical damage in the kidneys in a mean time of 120 days.


Yayo can be manufactured at a drug lab for 8 psychoid leaves.


Yayo is one of three drugs that can be produced from psychoid leaves, the others being flake and psychite tea.

As a drug, yayo is far preferable to flake, with stronger effects and 10% less addictiveness. Psychite tea is considerably weaker, but much less addictive, than both.

On the market, yayo is worth 50% more silver than flake, with a 20% increase in the Work To Make and a 100% increase in ingredient cost. Which drug is more economical depends on which is the greater bottleneck: drug production (yayo is more efficient) or psychoid leaf production (flake is more efficient). If caravan weight is a limiting factor, yayo is worth more proportional to mass. Yayo can also be further refined into go-juice with the addition of 2 neutroamine.

Psychite tea is economically inferior to both; its only potential advantage is that it may be used safely by your colonists if scheduled. It is also produced at a campfire or stove instead.