This if for only Extreme NSFW 18+ Role-Plays, never any SFW ones that is going on for too long to be tame and boring to me

Main ones:
Scat, Gas, Watersports, Body Play and Body Fluids
Farts
Vore
Sex
Cum
Jiggle Physics
Onomatopoeia
Dirty Full Tour
Dirty Anal Vore
Entrapment (My OC Characters will have their normal full movements back if the RP ends this way and in any other ways that make them lose movement or control of free will)
Reformation (This is Optional to continuing the RP after each death, my OC Characters always reform back to life if it end with their death)
Body languages (Which is where feral non-human characters that are unable to speak with their maws or use telepathy to talk to living beings do movements to used to express or convey the information to other characters, can be Sentient and Sapient)
Inflation
Gross and Filth Based Stuffs (Farts, Scats, Watersports, Messy Body, Unwash/Clean, Slob, Filthy, Anal Slime, anything else filthy except for Snot, Spit, and Vomit)
Make people live off of bodily functions and survive indefinitely just on farts, scat, piss, and cum
Prehensile Anus, Cock, Tail, and Tongue
Insertion
Excessive
Explicit Contents

Likes:
Scat, Watersport, Gas, and Cum Play (This can include Eating Shit from the characters's ass, Receiving farts into Lungs and mouth from the ass, Drinking piss and Cum from the character's cock as well as receive them in the ass)

Details and Graphic Descriptions (My RP partner(s) can do this as much as possible and with as much text as possible with everything going on during a RP, like how the characters look, feel, smell, and taste inside and out with their entire bodies, how the objects the Onomatopoeia with the sounds being made for the body parts and other objects, and Jiggle Physics with their bodies, can be as Graphics, Descriptions, Detailed, and Extreme as they want, i am not good doing those things so i prefer whoever i RP with to do those things instead)

Onomatopoeia

Jiggle Physics

Character/World Buildings (Only if whoever i do a RP with wants to do those things, and i have to avoid following any plots and character emotions if possible, since i am bad at following them or trying to do them myself)

Growth

Bottomless Rectum, Intestines, Bladder, Balls, and Belly

Anus Sealing (This is where a living being's anus, pucker, or tail hole seal around another character's body parts, like nose, mouth/maw, or face, can even have someone's head go fully inside it and seal around it's entire neck and throat, not sure if Cloaca can do sealing as well)

Teasing

Anal, Cock, Bladder, Unbirth, Oral, and Breast Vore

Crossdressing

Endo (This is where a character get's vored inside a body but not get killed)

Digestion

Transformation (My OC Characters will return back to normal if the RP ends with them not in their main form)

Dutch Oven (It is where a character is under the fabric like a cover/sheet or inside it, and the other character is farting in it, can be other types of ways for that to happen as well, like a dress/gown long enough to cover someone in it out of view of others)

Full Tour with or without Digestion

Be as Onomatopoeia, Detailed, Graphics, Descriptive, Explicit, and Extreme as you want During Roleplays, can even describe/narrate how each of the places and characters looks inside the worlds/universes, what they see, hears, smells, tastes, feels, and looks like, including Jiggle Physics for Entire Body parts both inside and out from either movements or bodily functions that cause it to happen

The Non-Human Characters can be as Vile, Cruel, Evil, Sadistic, Violent, Explicit, Assets, Hyper, Extreme, Filthy, Slutty, Kinky, Curvy, Juicy, Thicc, Wide, Gassy, Toxic, Plump, Raunchy, Obese, Bottom-Heavy and Unclean as they want to Characters and stuffs

Writing as much Paragraphs or Multiple Lines of Words as can, even a wall of text if you want to

Bondage (This can limit the actions my characters can do depending on what body parts are missing or being restricted by items and stuffs)

Worship

Sex

Knotting

Double Pentrations

Crushing

Gore (This might be inlcuded in any Role-Plays i do)

Gangbang

Torture (Humanoid Characters that does not look 100% like an Non-Human or the ones that are neither human or animal can receive that from ones that are 100% like a Non-Human in features, this is optional)

Willing (My Human Character only (my 3 Non-Human character can do this if i want them to), if i am not playing as him or interacting with any humanoid characters that are not 100% animal in features, then Unwilling can be received to them)

Unwilling (Only if i am not playing as my human character, my 3 non-human character might be fine with this, my human character prefers to avoid being unwilling if possible, i might have him pretend to be unwilling to whatever NSFW things non-human characters are doing to him, but his real desires his mind and cock has will betray this, but the characters can choose to be unaware of this when it comes to sight, smell, sound, and touch, this counts for torture as well, this is optional)

Dom/Sub, Prey/Pred, Top/Bottom (My human character is Prey only, 99.9% Sub unless the non-human character he likes/loves or leaning towards that direction gives him permission to dom them temporarily by Anal or Vaginal Sex)

Squatting

Tea Bagging

Rimming

Kissing

Romance

Worm's eye view

Body Explorations on Macros

Upskirts

Wedging between Ass Cheeks

Pinning (This is where a character is pinned against a wall, glass, and other objects, this includes 2 characters pinning 1 or more things together)

Ahegao

Sentient and Sapient (Characters that are 100% unable to use or learn human Speech or Telepathy but are able to think and feel the world and everything else in it)

Injuries (This can be include if the person i RP with wants to have them in it)

Slave (Temporary for my OC Characters, since i want them to have their free will and movements if any RP ends this way)

Mobile Toilet

Living Sex Toy, Dildo, and Plaything

Macro/Micro (This can include Aware and Unaware Play as well)

Size Difference

Hyper and Extreme Body Parts and Bodily Fluids Proportions

Bubble Butt

Mobile Tansport (Inside the character's front or back seat of the clothes that covers the entire hips or inside it's body)

Slob

Soiling (This is where the character farts, shits, piss, or cums on or inside clothes to soil them)

FemBoy (Girly or Feminine Male Characters is what that means)

Gender Pronouns if needed (Calling a Male Character by Female Pronouns and Vice Versa)

Breath-Play (If me and whoever do this with me wants to do that)

Conscious (If whoever is fine with this wants to, since being unconscious from suffoacting or being knocked out means freedom of movements is limited until the character regains conscious after each time that happens)

Boyriends/Girlfriends

Dirty Talk

Male-Herms, Males, Herms, Females

Ferals, Quadrupeds, and Anthros

Body Play both Inside and Out
Outside: Ass, Cock, Sheathe, Balls, Mouths/Maws, Belly, Tail, Hips, Legs, Hands/Claws, Paws/Claws on the Feets
Inside: Rectum, Intestines, Bladder, Balls, Belly, Maw, Tongue

Bestiality/Zoophilia/Pokephilia/Teratophilia (Depends on which characters i like/love or leaning towards that direction)

Exhibitionism

Voyeurism

Aphrodisiac

Alpha and Omega

Fatal Vore (As long as it is not permanent for any OC characters, this can be used, Reformation is optional for this one, NPC characters or random characters that is not OC ones can have permanent death from it)

Sub and Prey as human characters

Public stuffs (Where Non-human characters with or without a human character do 18+ related stuffs in view to other characters, this is optional)

Dom and Switch with 100% Animal, Creature, and Monster Characters

Slime (Only from the Anal, Rectum, and Intestines, this includes from Scat as well, and only if they don't go onto or inside the eyes, nostrils, and adult parts)

Swamp Ass without Sweat and Grime

Nudist (Wearing Clothes is Optional in any Role-Plays i have)

Abuse (For my characters, not for me in real life if possible since users i RP or chat with keep saying or doing mean things to me on the internet that hurt my real life feelings)

Human X Non-Human Stuffs (Too many users i Role-Play with is not 100% willing to inlcude any human characters receiving NSFW stuffs as well as certain giving ones like rimming, worshipping, and blowjobs)

Addiction (This can be related to Body Anatomy, Bodily Fluids, and Words, some example of addictions is being addicted to scat, watersports, farts, vore, assets, sex, and other such NSFW Extreme things)

Big Assets (Mostly the Rump, Anus, and Adult Parts for the Entire Anatomy both inside and out)

Destruction

Indigestion

Crowning (Where the character's shit was slowly peeking or coming out of the anus or for the womb one something slowly coming out of it, this can have said object be sucked back in as well)

Hammer Space (Where a object is inside a pocket dimension and can appear out of thin air any time they want, this can also go for things inside body parts/Where a character pulls or push objects out of thin air, this can also apply to body fluids and internal body spaces as well)

Long-Term (This is for roleplays that last a long time or when it comes to entrapment and endo, the long stay one character is with one of the other characters inside objects or body parts)

Incest (This is for between family members or close relatives. between people in consanguinity (blood relations), and sometimes those related by affinity (marriage or stepfamily), adoption, or lineage, all characters are between 18 to 31 for age range)

Dilf and Milf (This is where the character is at least 30 or 31 years old, since the age range for this to count is between 30 to 50, so the max age can be 30 or 31 when it comes to being between 18 to 50 for all characters, but for the Dilf and Milf one, it will be either 30 or 31)

MPreg, Pregnancy, and Oviposition (These are Optional, and the characters that enter the universes this way will be Adult Age and Size for it's entire Anatomy and Mind, can be Egg Laying and Live Birth, depending on which is used)