Jizz

Alyx Vance, Chell, and the Companion Cube in a sweaty, portal-spanning threesome.

nsfw

I'd say this takes the cake for Portal R34.

rule34

dat ass? (f) and more portal! :D

gonewild

Thinking with portals

PortalPorn, u_Vmonsterlive

Last chance to tap that ass before she gets sucked through the time-space portal. Just sayin'.

Amateur, RealGirls

NSFW Portal

Ingress

Looks like Twilight isn't the only one going through the portal.... [Equestria Girls]

mylittlepony

Skinny girl who loves Portal. [f]irst post

gonewild

/r/cosplaygirls didn't like this version of Chell from Portal's makeup, I think it's ace

MakeUpFetish

Now you're thinking with portals

NSFW_GIF

Me, a level 4, successfully defending a surprise attack on my L3 portal from the regional #3 L8 enemy agent

Ingress

The Void-Casters portal is still open above Ooo.

adventuretime

Pink portal

panties, Openpanel

The Portal

milf, hawtjg

Yukari thinking with portals [Softcore]

Touhou_NSFW

I guess the animators like Portal!

gravityfalls

Korra and Asami in the Spirit Portal by Oni

AvatarPorn

BioShag Trinity: Portal Pooch [StudioFow]

HentaiBeast

Access portal

BonerMaterial, madeforsin

Playing with Portals

futanari, futanari_Comics

"Movie Night", a work-in-progress piece by 'Shadowfaps' [F/F] [human/human] [Oral] [Willing] [Soft] [Feet first] [Internal view] [Same size] [Public nudity] [Sex] - see comments for Eka's portal link

Vore

Stretched pink portal

asshole

Zatanna thinking with Portals

superheroporn

The gaping portal to the land of bliss

hentai

Chell Stripping [Portal] (OC)

rule34

A portal has been opened to discover that Elizabeth is in a bit of trouble (RenX) [Bioshock]

rule34, BioshockPorn

Thinking With Portals [Nude]

Touhou_NSFW

Any Portal fans out there????✨

a_little_naughty

Looking out the portal

JeffMilton

Portable fuck portals

DarkBitsNPieces, spread_eagle_latinas

This is why we need portals!

GoneMild

*Now* you're masturbating with portals! [d]

yiff

[WIP] Portal glory pleasure

PixelArtNSFW

Glory portal starring Fujiko

PixelArtNSFW, PixelArt

(OC) Glados with some extra "cake" [Portal]

rule34

Sunset Shimmer posing atop the portal entrance (jay156) [My Little Pony: Equestria Girls]

rule34, rule34feet, rule34pinups, FapFap, PonyFeet, cloppinups, ClopClop

Let's go to the portal and make history.

peachesforpresident

My little sexy blue portal

cat2mouse, PetiteGoneWild

[MM] Portal ring slave

Yiffbondage

Her eyes were portals into a dimension of pure desire

SFandFslavegirls, u_Shlupi1

Wraiths Fun with Portals ft Nathan Drake (ShamelessDeeg) [Apex Legends/Uncharted]

rule34

Interdimensional Portals (M Human -> F Pegasus Mid-TF; MTF/TGTF Twinning) by TF-Sential

transformation

Thank you for participating in this Aperture Science Holstaur enrichment activity (DevilBlueDragon) [Portal]

MechanicalSluts

You will never surprise your friend by using a portal to kiss her (supposedly) fully-clothed nipple

ImpossibleHentai

You will never suck your own dick with the assistance of a portal

ImpossibleHentai

[Furry] You will never misplace a portal to your pussy and then have the stranger who found it remotely fuck you in public

ImpossibleHentai

You will never use a portal to attach your penis to a teddy bear to fuck your own vagina

ImpossibleHentai

Take a peek into my portal [F] ??

altgonewild

Alexandra Nash by Portal CPT

NSFWfashion, FitModels

GLaDOS bunny girl (Mark M) [Portal]

MechanicalSluts

My portal is waiting for you! Join now my onlyfans im waiting you on live stream, meanwhile you've to jerk on over 2600 photos and vids ? Link in comment

onlyfansgirls101

Dog portal

worldpolitics

The yawning portal

GuysFromBehind, NSFW_GAY, FemboyMD123, boypussy, CuteGuyButts

Playing with portals

deepthroathentai, HookedUpHentai

Lara is dragged in a mysterious portal (The Rope Dude) [Tomb Raider & Final Fantasy 7]

SFMCompileClub, rule34, hentaibondage, 3DPorncraft, laracroftNSFW

Chell (KasmaR34) [Portal]

rule34, valveporn, PortalPorn, rule34pinups, 3DPorncraft

Made a new version of my first ever cosplay! Happy birthday to Portal 2 ??

ShodansServer, CosplayLewd, cosplayonoff, InkedCosplay, nsfwcosplay

Chell being a good test subject (throat) [Portal]

PortalPorn, rule34, u_heckmybutt69

Alyx Vance and Chell Tribbing! (Portal, Half-Life 2) [SiegeBabez, OC]

rule34

Peaking through a Portal

ecchi