Body Parts

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Bodypart preview.png

Body parts are - as the name would obviously imply - the parts of an organic or autonomous creature. These parts include limbs, organs and even artificial body parts, such as prosthetic limbs and bionics.

Given the procedural and random generation of individuals in RimWorld, some people may have scars or some sort of disability regarding one or more limbs, which can cause constant pain or even a complete loss of function. Limbs are able to take serious damage, causing severe disabilities and problems for an individual, which in turn can negate the ability to perform certain tasks. Some damage may be so severe that permanent disability and/or heavy blood loss can be suffered, leading to death if not quickly dealt with.

Artificially intelligent creatures, such as mechanoids, also have body parts that can be damaged in the same ways that an organic creature can. Wearing armor and certain types of clothing can protect limbs from damage.

Body Part Groups

Each individual body part (such as clavicle) is a sub-unit of a Body Part Group (such as Torso). Armor and Clothing cover and protect all the body parts in that specific group.

  • Body Part Group Name Contents
    Torso clavicles, sternum, ribs, pelvis, spine, stomach, heart, lungs, kidneys, liver, neck
    UpperHead head, skull, brain, ears
    FullHead head, skull, brain, eyes, ears, nose, jaw
    Shoulders shoulders
    Arms arms, hands, humeri, radii
    Hands hands, fingers.
    LeftHand left hand, left hand fingers
    RightHand right hand, right hand fingers
    Legs legs, feet, femurs, tibiae
    Feet feet, toes

Body Parts (Summary)

Being biological creatures, humans have a lot of body parts that work together to make them tick.

  • Brain injuries instantly scar and never heal.[1]
  • Part Name Health Quantity Coverage[2] Target Chance[3] Subpart of Internal Group[4] Capacity[5] Effect if Destroyed/Removed
    Torso 40 1 E: 100% 40.5% N/A[6] Ex.png Torso - Death
    Neck 25 1 E: 7.5% 1.5% Torso Ex.png Neck Breathing
    Eating
    Talking
    Death
    Head 25 1 E: 80% 2.82% Neck Ex.png UpperHead
    FullHead
    HeadAttackTool
    - Death
    Skull 25 1 I: 18.0% 0.51% Head Check.png UpperHead
    Eyes
    FullHead
    - Cannot be destroyed
    Increasing Pain based on damage.
    Brain 10 1 I: 80.0% 0.41% Skull Check.png UpperHead
    Eyes
    FullHead
    Consciousness Death
    Damage always results in scarring.
    Eye 10 2 E: 7.0% 0.42% Head Ex.png Eyes
    FullHead
    Sight -25% Sight. -100% if both lost.
    -15 Disfigured Social penalty.
    0% Hit Chance against Blunt damage.
    Ear 12 2 E: 7.0% 0.42% Head Ex.png UpperHead
    FullHead
    Hearing -25% Hearing. -100% if both lost.
    -15 Disfigured Social penalty
    Nose 10 1 E: 10.0% 0.6% Head Ex.png FullHead - -15 Disfigured Social penalty
    Jaw 20 1 E: 15.0% 0.9% Head Ex.png Teeth
    FullHead
    Eating
    Talking
    -100% Talking and -90% Eating
    -15 Disfigured Social penalty
    Tongue 10[7] 1 0% 0% Jaw Check.png FullHead Eating
    Talking
    -100% Talking and -50% Eating
    -15 Disfigured Social penalty
    Waist 10[7] 1 0% 0% Torso Ex.png Waist - N/A
    Spine 25 1 I: 2.5% 1.01% Torso Check.png Torso Moving -100% Moving[8]
    Ribcage 30 1 I: 3.6% 1.46% Torso Check.png Torso Breathing Cannot be destroyed
    Up to -48% Breathing
    Increasing Pain based on damage.
    Sternum 20 1 I: 1.5% 0.61% Torso Check.png Torso Breathing Cannot be destroyed
    Up to -48% Breathing
    Increasing Pain based on damage.
    Heart 15 1 I: 2% 0.81% Torso Check.png Torso Blood Pumping Death
    Lung 15 2 I: 2.5% 1.01% Torso Check.png Torso Breathing -50% Breathing. Death if both lost
    Stomach 20 1 I: 2.5% 1.01% Torso Check.png Torso Metabolism -50% Metabolism
    Liver 20 1 I: 2.5% 1.01% Torso Check.png Torso Blood Filtration
    Metabolism
    Death
    Kidney 15 2 I: 1.7% 0.69% Torso Check.png Torso Blood Filtration -50% Blood Filtration. Death if both lost
    Shoulder 30 2 E: 12.0% 2.76% Torso Ex.png Shoulders Manipulation -50% Manipulation. -100% if both lost
    Arm 30 2 E: 77.0% 7.95% Shoulder Ex.png Arms Manipulation -50% Manipulation. -100% if both lost
    Clavicle 25 2 I: 9% 1.08% Shoulder Check.png Torso Manipulation Cannot be destroyed
    Up to -48% Manipulation
    Increasing Pain based on damage.
    Humerus 25 2 I: 10.0% 0.79% Arm Check.png Arms Manipulation -50% Manipulation. -100% if both lost
    Radius 20 2 I: 10.0% 0.79% Arm Check.png Arms Manipulation -50% Manipulation. -100% if both lost
    Hand 20 2 E: 14.0% 0.83% Arm Ex.png Hands Manipulation -50% Manipulation. -100% if both lost
    Pinky Finger 8 2 E: 6.0% 0.08% Hand Ex.png Hands
    LeftHand[9]
    RightHand[9]
    Manipulation -8% Manipulation. -16% if both lost
    Ring Finger 8 2 E: 7.0% 0.09% Hand Ex.png Hands
    LeftHand[9]
    RightHand[9]
    Manipulation -8% Manipulation. -16% if both lost
    Middle Finger 8 2 E: 8.0% 0.1% Hand Ex.png Hands
    LeftHand[9]
    RightHand[9]
    MiddleFingers
    Manipulation -8% Manipulation. -16% if both lost
    Index Finger 8 2 E: 7.0% 0.09% Hand Ex.png Hands
    LeftHand[9]
    RightHand[9]
    Manipulation -8% Manipulation. -16% if both lost
    Thumb 8 2 E: 8.0% 0.1% Hand Ex.png Hands
    LeftHand[9]
    RightHand[9]
    Manipulation -8% Manipulation. -16% if both lost
    Pelvis 25 1 I: 2.5% 1.01% Torso Check.png Torso Moving Cannot be destroyed
    Up to -96% Moving.
    Increasing Pain based on damage.
    Leg 30 2 E: 14.0% 12.6% Torso Ex.png Legs Moving -50% Moving. -100% if both lost
    Femur 25 2 I: 10.0% 1.26% Leg Check.png Legs Moving -50% Moving. -100% if both lost
    Tibia 25 2 I: 10.0% 1.26% Leg Check.png Legs Moving -50% Moving. -100% if both lost
    Foot 25 2 E: 10.0% 0.85% Leg Ex.png Feet Moving -50% Moving. -100% if both lost
    Little Toe 8 2 E: 6.0% 0.08% Foot Ex.png Feet Moving -4% Moving. -8% if both lost
    Fourth Toe 8 2 E: 7.0% 0.1% Foot Ex.png Feet Moving -4% Moving. -8% if both lost
    Middle Toe 8 2 E: 8.0% 0.11% Foot Ex.png Feet Moving -4% Moving. -8% if both lost
    Second Toe 8 2 E: 9.0% 0.13% Foot Ex.png Feet Moving -4% Moving. -8% if both lost
    Big Toe 8 2 E: 9.0% 0.13% Foot Ex.png Feet Moving -4% Moving. -8% if both lost
    1. Please see BodyParts_General.xml. The chance is set to 9999999.
    2. Coverage is used to determine the chance for this body part to be targeted. External parts cover their parent part and take hits for them. For example, the neck, arms and legs have a combined external coverage of 59.5%, so the torso has only a 40.5% chance to be targeted. Internal parts can only be targeted when their parent part has been and take damage along with the parent part. For example, the torso has a 40.5% chance to be targeted and the spine has 2.5% internal coverage so has about a 1.01% chance to be targeted.
    3. Target Chance is the actual chance for each part to be the initial target damaged when all parts' coverages have been taken into account. Different damage types can propagate damage in different ways and cause parts to be hit more often than this table shows. See page for details.
    4. What apparel coverage covers this body part.
    5. Note that capacities can affect other capacities in turn. Only the primary effect is listed. See specific pages for details.
    6. This is the part that everything else connects to to be considered 'connected'.
    7. 7.0 7.1 This part has no coverage and cannot be damaged.
    8. If Moving drops below 16% a pawn cannot move. A pawn that cannot move cannot work.
    9. 9.0 9.1 9.2 9.3 9.4 9.5 9.6 9.7 9.8 9.9 Only the relevant choice of LeftHand OR RightHand will apply, not both.


Body Parts (Detailed)

This section includes the full names and descriptions of each body part in the above tables, including special notes or other extra information.

Head

  • Health: 25
  • Lethal if destroyed/removed.

Container of the skull, eyes, ears, nose, and jaw. Technically, you don't need the head itself to live, but it is necessary to contain the brain.

While humans can survive headshots, damage to the brain is still a serious issue. A single gunshot typically destroys the brain due to its low health, but a slightly lower power weapon like the machine pistol can hit the brain and not kill the colonist. However, brain tissue always scars and sufficient damage may render a colonist unconscious forever.

Skull

  • Health: 25

Contains the brain. It's worth noting that an injury cannot hit the brain without hitting the skull as well. The skull cannot be destroyed by damage but will cause pain until healed.

Brain
  • Health: 10
  • Lethal if destroyed/removed.

The most important organ of a colonist. It's required for consciousness, sight processing, hearing processing, moving, and working.

Eyes

  • Health: 10

Includes :

  • Right Eye
  • Left Eye

Eyes are required for seeing. Eyes have a high chance to be permanently injured (scar) when damaged. Lost or damaged eyes can be surgically replaced with a bionic or archotech equivalent, though these are expensive and uncraftable respectively. A destroyed or lost eye causes a pawn to be considered disfigured.

Ears

  • Health: 12

Includes :

  • Right Ear
  • Left Ear

Ears are required for hearing things in the world. Losing both ears results in total deafness. Hearing helps in trade price improvement. Damaged or lost ears can be replaced with a bionic ear. A destroyed or lost ear causes a pawn to be considered disfigured.

Loud noises like gunshots do not inflict pain or damage on the ears.

Nose

  • Health: 10

Though required for smelling, there is no smelling system in place for RimWorld. A damaged or destroyed nose is the least of your worries in terms of injury, but will cause the colonist to become disfigured, which will cause -15 opinion from all other colonists. It can be replaced with an aesthetic nose with the Royalty DLC.

Jaw

  • Health: 10

Required for Talking and important for Eating. Colonists can still eat without a tongue, but at very slow pace. Lost or damaged tongues can be surgically replaced with a bionic tongue. A destroyed or lost tongue causes a pawn to be considered disfigured.

Tongue

A destroyed or lost jaw causes a pawn to be considered disfigured.

Torso

  • Health: 40
  • Core Part
  • Lethal if destroyed

The torso is the core part of a colonist. It is the container for the rest of the major organs of a colonist, and destroying it effectively destroys/disconnects the rest of the colonist's organs. A majority of human characters will die from torso injury/destruction long before they die of anything else.

Neck

  • Health: 25
  • Lethal if destroyed/removed.

Technically part of the torso. It connects the head to the torso. Neck damage makes colonists bleed out very fast. Loss of the neck results in death due to disconnecting the brain from the core part, the torso.

Clavicle

  • Health: 25

Includes :

  • Right Clavicle
  • Left Clavicle

The clavicles are the bones between the neck and shoulder, and are required for the colonist's arms to function. Clavicles are considered a part of the arm, and will be removed (along with the rest of the natural arm) if a prosthesis is installed. Clavicles cannot be destroyed by damage but will cause pain until healed.

Spine

  • Health: 25

Colonists need their spine for moving and working. Shattering the spine results in complete paralysis, presumably below the neck. It can be replaced with a bionic spine or repaired with healer mech serum or luciferium.

Pelvis

  • Health: 25

The pelvis is critical for moving, and damage will result in the pawn becoming incapable of walking. The pelvis cannot be destroyed by damage, but will cause pain until healed.

Sternum

  • Health: 25

Front part of the rib cage. The sternum cannot be destroyed by damage, but will cause pain until healed.

Ribcage

  • Health: 30

The ribcage cannot be destroyed by damage, but will cause pain until healed.

Lung

  • Health: 15

Includes :

  • Right Lung
  • Left Lung
  • Lethal if both lungs lost.

Colonists have two lungs: a right lung and left lung. Currently, colonists can breathe and survive fine with just one lung. Losing both lungs is instantaneous death, as the colonist will immediately suffocate. Lungs tend to bleed out very fast when damaged, but are generally survivable injuries. Lungs can be harvested and transplanted, so a damaged or lost lung can be replaced. Pirate traders occasionally have organs for sale.

Stomach

  • Health: 20

Stomachs act like colonists' jaws in many ways, as the loss of the stomach results in an inability to eat. A colonist without a stomach can still eat, though very slowly. Gut worms can infect the stomach and increase hunger and pain.

Heart

  • Health: 15

The heart is needed for blood pumping in colonists. Complete destruction of the heart results in instant death.

Injuries to the heart can heal, but due to low health value, getting shot in the heart can also be instantaniously fatal. Hearts can be harvested and transplanted - albeit at the cost of the donor's life - so a damaged heart can be replaced. Slave traders occasionally have these organs for sale.

Kidney

  • Health: 15

Includes :

  • Right Kidney
  • Left Kidney
  • Lethal if both lost

Kidneys are required for blood filtration. Like lungs, losing one isn't life-threatening, but losing both results in death. A loss of blood filtration efficiency also results in drastically reduced disease resistance, so kidney damage can lead to colonists that survive a firefight later dying of malaria or the flu. Kidneys can be harvested and transplanted, so a damaged or lost kidney can be replaced. Slave traders occasionally have these organs for sale.

Arm

  • Health: 30

Includes :

  • Right Arm
  • Left Arm

Arms are required for working, and are containers for the hands and subsequent bones. One-armed colonists can still work, though much slower. A lost or damaged arm can be replaced either with a simple prosthesis or a more expensive bionic arm. Simple versions are only 50% as effective whereas bionic versions are 20% more efficient than a natural limb. Any arm prosthesis will completely replace the arm, including hands, fingers, and constituent bones.

Humerus

  • Health: 25

Includes :

  • Right Humerus
  • Left Humerus

Upper bones of the arm. While these are usually minor injuries (as bone injuries never scar), shattering one's humerus renders the entire arm completely unusable. Like the rest of the arm's constituent parts, it is fully replaced by a prosthesis.

Radius

  • Health: 20

Includes :

  • Right Radius
  • Left Radius

Forearm bones, similar to humerus in terms of injury and shattering, with a loss of working ability for the appropriate arm if shattered.

Hand

  • Health: 20

Includes :

  • Right Hand
  • Left Hand

Hands are the containers for fingers, and are required for working. One handed colonists can still work fine, just slower. A lost or damaged hand can be replaced with a Wooden hand, for a partial recovery of effectiveness, a power claw for full effectiveness and a melee weapon in exchange for -8% movement speed, or Field hand Content added by the Royalty DLC, for full effectiveness and improved Plant Work Speed in exchange for -8% movement speed. Alternatively, the whole arm can be replaced, hand included.

Fingers
  • Health: 8

Includes :

  • Right Thumb
  • Right Index Finger
  • Right Middle Finger
  • Right Ring Finger
  • Right Pinky
  • Left Thumb
  • Left Index Finger
  • Left Middle Finger
  • Left Ring Finger
  • Left Pinky

Colonists have ten fingers, consisting of the thumbs, index, middle, ring, and pinky fingers. Loss of any of these results in a small penalty to working (though it's usually so small it's difficult to notice).

Losing a finger will cause the colonist to lose 8% manipulation.

Leg

  • Health: 30

Includes :

  • Right Leg
  • Left Leg

Every colonist has two legs. A lost or damaged leg can be replaced either with a simple prosthesis or a more expensive bionic leg. Simple versions are only 85% as effective whereas bionic versions are 25% more efficient than a natural limb. If a prosthesis can't be located, peg legs are also available, but they are only barely functional. Any prosthetic leg will completely replace the entire leg, including the feet and toes.

Tibia

  • Health: 25

Includes :

  • Right Tibia
  • Left Tibia

Lower leg bone (aka shinbone), required for moving. When shattered, results in a complete loss of function of the leg containing the bone.

Femur

  • Health: 25

Includes :

  • Right Femur
  • Left Femur

Upper leg bone between hip and knee, the same in terms of injury as the tibia, with a loss of moving capacity on being shattered.

Foot

  • Health: 25

Includes :

  • Right Foot
  • Left Foot

Humans have two feet, needed for moving. Injuries to the foot slow movement, and loss of both feet prevent it entirely. They are also the container for the toes.

Toes
  • Health: 8

Includes :

  • Right Little Toe
  • Right Fourth Toe
  • Right Middle Toe
  • Right Second Toe
  • Right Big Toe
  • Left Little Toe
  • Left Fourth Toe
  • Left Middle Toe
  • Left Second Toe
  • Left Big Toe

Injuries to the toes are among the most minor a colonist can sustain. They hurt a colonist's moving capacity by a small amount.

Losing a toe will cause a colonist to lose 4% of its moving capacity.


Replacements

As there are many ways to lose or permanently impair body parts, there are also several ways to replace them. The options vary in difficulty of crating/acquiring, but most importantly in how effective the replacement part will be.

Part Efficiency

A un-injured, naturally grown body part has an efficiency of 100%. Replacement options however can have very variable efficiency, going from 50% to above 100%.

Replacement parts come in rough tech levels, which have a part efficiency range. Parts that were available on the previous tech level tend to have higher part efficiency then those that become first available.

Wooden Parts

The low tech variant available even to Tribals. It also has the smallest group of available replacement parts, and is only rarely an option. Part efficiency varies from 60-80%.

A word of warning: installing these counts as an operation (that can be botched) and requires anesthetics.

Prostheses

Prosthetic body parts are roughly equivalent to early 21st century prostheses. They only require Steel Steel and Component Components to build. They can be built on a Machining Table after the Prosthetic research is complete.

Part efficiency varies from 50-85%, depending on part.

Harvested Parts

As RimWorld has no concept of body part rejection or the difficulty of the implantation, this is a surprisingly low-tech option. All harvested body parts have 100% efficiency. For most organs, this is the earliest available replacement option. It only requires medicine as anesthetic.

Operations not specifically aimed at harvesting (like Amputation or installing replacements) generally do not yield these body parts - they have to be intentionally harvested. Both the "donor" and the colony as a whole may receive negative Mood for a harvesting operation. There is no voluntary donation mechanic.

Traders may have body parts not normally available for harvesting (like limbs) and generally sidestep any mood effects for acquiring the body part.

Bionics

Bionics are cybernetics as they are found in Science Fiction. Bionics require Plasteel Plasteel, Advanced component Advanced Components and Bionics research, and are generally crafted at a Fabrication bench.

They typically have 125% part efficiency, making them direct upgrades for most body parts. If there are no replacement parts between harvested and bionic parts, the organ cannot be sensibly replaced (like a brain) or replacements offer no benefit.

Specialized Bionics

These bionics tend to be more simple replacements than upgrades. They often improve one ability drastically and in unique ways, but always come with some sort of downside. These downsides include vulnerability to EMP, a below 100% part efficiency (which somewhat lessens the primary bonus), cancer and other side effects.

Many of these are tied to the Royalty DLC, but a few have been available in the base game for a long time.

Archotech

Archotech prostheses are only available through quest rewards, and offer 150% efficiency to the replaced part. They are a direct upgrade to bionic parts, but can only be acquired through trade or quests. They cannot be crafted.

List of body parts



References

Version history

  • 0.6.532 - Body parts system added.
  • 0.7.581 - Organ harvesting, transplanting and prosthetics
  • Beta 19/ 1.0 - Combined ribs into rib cage
  • 1.1 - Stomach is no longer a vital organ.