u/Baronwm

Necrotic Fever adds a progressive gangrenous disease to RimWorld's tropical and swamp biomes.

• Infection begins on a specific finger or toe and spreads inward over 14 in-game days
• Five distinct stages — from fever and chills to full organ failure
• Anatomically ordered spread — same-side digits consumed first, then hands, arms, and torso
• Treatment scales with medicine quality — glitterworld medicine can cure in 6 days, herbal barely slows it
• Penoxycyline prevents infection entirely if taken before exposure
• Emergency surgery can amputate ahead of the spread — but the limb is always lost, and failure accelerates the disease
• Doctors risk infection every time they tend an infected pawn — cleaner rooms mean safer staff
• Nearby patients in medical beds can also contract the disease — walls block transmission
• Infected pawns generate filth that dirties rooms and raises transmission risk
• Healthy colonists suffer mood penalties from sharing a room with the infected
• Biological pawns only — mechanoids are immune
• Biome-restricted to tropical rainforests, swamps, and similar environments

Please feel free to leave feedback and bug reports on the Workshop page, My goal is to keep it up to date while adding additional features, such as:

• Doctor PPE system
• Work speed debuff to nearby pawns
• Social interaction penalties for infected pawns

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