Aliens

• Across the metaverse by BRK  [  ]  In a corner of a bustling shopping center parking lot, Joe finds something that shouldn’t be there. But… the sexy, three-legged, planet-saving hero Preter Garadin couldn’t possibly be real. Could he?  •Multileg •Multilimb •Three Legs •Aliens •M/M  Added Jan 2023 2 parts 5,918 words 521 views 4.8 stars (6 votes)
• An airplane parasite by SomeMuscleGuy  [  ]  After bumping into the wrong person at the airport, Michael is infected with a parasite that was on its way to be destroyed. This parasite only has one goal in mind: Growth. Massive Growth.  •Cock Growth •Ball Growth •Huge Balls •Huge Cock •Hyper Cock •Hyper Cum •Multi-abs •Hyper Muscle •Hyper Strength •Immobility •Muscle Growth •Butt Growth •Foot Growth •Transformation •Voice Deepening •Getting Taller •Giants •Size Increase •Destruction/Violence •Nonconsensual change •Infectious •Aliens •Symbiotes •M  Added Oct 2022 4,977 words 12,704 views 4.7 stars (23 votes)
• Alien tormentors by James Fourlegs  [  ]  Unseen aliens juice the daylights out of their captives.  •Huge Cock •Multicock •Multiarm •Multileg •Multilimb •Replication •Muscle Growth •Muscle/Strength •Aliens  Added Dec 2004 1,004 words 21,853 views 4.3 stars (6 votes)
• Among us by BRK  [  ]  Nathan Yates is an ordinary boy who’s just graduated from high school and whose biggest concern in life in trying to figure out why the hottest guy in school is making passes at him. That is, until he’s thrown into a story he knows intimately from his favorite cult graphic novels, and becomes embroiled in a conflict that reaches across worlds and universes.  •Huge Cock •Muscle/Strength •Amputation •Human to Animal/Anthro •Aliens •Werewolves •Mind Control •t/t  Added May 2017 Updated Apr 2018 15 parts 52,459 words 24,179 views 4.4 stars (17 votes)

• B.D.E. by Ziel  [  ]  While orbiting a nearby planet, the ship detects an unusual energy signature. Parker and Quill are sent down to investigate, but things take a turn for the smutty when Parker’s suit is compromised.  •Cock Growth •Huge Balls •Huge Cock •Hyper Cock •Hyper Cum •Aliens •Space Travel •Set in the Future •M/M  Added Aug 2018 3,531 words 17,916 views 4.0 stars (7 votes)
• Beyond contact by BRK  [  ]  The trick to contacting aliens turns out to be sending only your mind. What you look like when you get there, though, isn’t quite what you’re used to.  •Multi-abs •Multicock •Multiarm •Multileg •Multilimb •Three Legs •Replication •Aliens •Space Travel •Complete •M/M •M/M/M/...  Added Jun 2003 3 parts 1,437 words 14,753 views 3.3 stars (9 votes)
• The Black Knights: Coming home by Meddler Incs  [  ]  When an ex-football player, now a local newspaper reporter, investigates The Black Knights, he gets more than he bargained for.  •Cock Growth •Huge Cock •Muscle Growth •Muscle/Strength •Size Increase •Nonconsensual change •Aliens •Symbiotes •Series  Added Oct 2018 Updated Dec 2019 14 parts 23,531 words 19,023 views 4.9 stars (15 votes)
• Blink and it’s gone by Double-U  [  ]  Mark is amazed he’s able to land a date with Connor, the unbelievably hot stud who approached him out of nowhere. But things get complicated when it turns out that Connor is not who he appears to be.  •Muscle Growth •Muscle/Strength •Aliens  Added Jun 2017 4 parts 8,569 words 11,296 views 4.6 stars (7 votes)
• The book of desires by SomeMuscleGuy  [  ]  After stealing a corrupted book at the gym, Michael is left growing uncontrollably by a Symbiotic Demon that only wants to swell its victims with the most size possible. But even the demon underestimates just how gigantic Michael wants to become.  •Cock Growth •Ball Growth •Huge Balls •Huge Cock •Hyper Cock •Hyper Cum •Public Orgasm •Multi-abs •Addiction •Hyper Muscle •Hyper Strength •Immobility •Muscle Growth •Muscle Worship •Public Nudity •Butt Growth •Foot Growth •Transformation •Voice Deepening •Getting Taller •Giants •Size Increase •Destruction/Violence •Nonconsensual change •Infectious •Aliens •Symbiotes •Complete •Stories with Images •M  Added Dec 2022 7,676 words 7,118 views 4.9 stars (8 votes)
• Boytaurs from Outer Space! by BRK  [  ]  Sev, the commander of a Taurian survey mission, judges Earth suitable for cultivating an aggressive alien grain, but the danger to Earth’s ecosystem drives the idealistic Elek to rebel and flee with some valuable equipment. When a conflicted Kiyy chases him, they both encounter the strange inhabitants and discover that humans and Taurians find each other mutually captivating.  •Huge Cock •Multicock •Boytaur •Four Legs •Multiarm •Multileg •Multilimb •Muscle Growth •Muscle/Strength •Incest •Twins •Aliens •Space Travel •M/M •M/M/M •M/M/M/...  Added Jun 2015 Updated Oct 2016 6 parts 13,050 words 14,615 views 4.4 stars (16 votes)
• Building a species by ArdanWolfe  [  ]  When his homeworld faces annihilation, the sole survivor must find a new species capable of helping him preserve his race. Will he find what he needs on a tiny blue and green planet called Earth?  •Cock Growth •Male Pregnancy •Transformation •Nonconsensual change •Aliens  Added Jun 2021 3 parts 2,562 words 5,038 views
• Burst by BRK  [  ]  In a sealed-off underground bunker, exposure to a tear in the fabric of space-time created by an illegal energy experiment is producing some interesting changes in the men trapped inside. And on top of everything else, it’s Christmas, and there’s no way they’ll ever see home again…  •Cock Growth •Huge Cock •Multicock •Replication •Other Mental Changes •Hyper Strength •Muscle Growth •Muscle/Strength •Always Shirtless •Stretchy •Getting Handsomer •Transformation •Getting Taller •Size Increase •Aliens •Christmas •Complete •M/M •M/M/M  Added Dec 2020 3 parts 11,494 words 9,999 views 4.6 stars (13 votes)

• Cave on the Moon by brazboy  [  ]  First contact? A large cave is identified on the Moon. It is apparently ancient, but also not at all natural. Humans, curious as ever, sent a team of astronauts to investigate it. What they find changes everything, and everyone, forever…  •Always Hard •Cock Growth •Huge Balls •Huge Cock •Hyper Cock •Self-suck •Hyper Cum •Public Orgasm •Hyper Muscle •Hyper Strength •Immobility •Muscle Growth •Muscle/Strength •Increased Libido •Getting Taller •Giants •Plausible Size Difference •Size Decrease •Destruction/Violence •Nonconsensual change •Aliens •Androids/Cyborgs •Space Travel •M •M/M •M/M/M  Added Nov 2021 3 parts 9,726 words 9,659 views 4.3 stars (11 votes)
• A close encounter by King Dave  [  ]  Evan is not alone in his apartment. Something that wants to study him. Is that all that it wants?  •Cock Growth •Muscle Growth •Butt Growth •Getting Handsomer •Voice Deepening •Getting Hairy •First Time/Virgin •Aliens •Shapeshifting •M/M  Added Dec 2021 Updated Jan 2022 3 parts 7,234 words 8,371 views 4.8 stars (22 votes)
• Cockportal by BRK  [  ]  After a Halloween night ambulance ride ends up at the wrong hospital, Ronnie wakes up to find discover that his removed appendix isn’t the only thing that’s different about him.  •Cock Growth •Huge Cock •Aliens •Halloween •M  Added Nov 2018 4,660 words 9,762 views 4.0 stars (5 votes)

• Empire by LenZelig  [  ]  A massive consolidation of the entire “Bill’s Education” universe, incorporating the previously separately posted “The Surfer”, “The Rescue”, “Spring Break”, “Pickup Trouble”, and “School Days”, “Empire” is the wide-ranging tale of easy transformation and even easier sex across all boundaries—friends, family members, genders, even species—as a fortunate crop of humans stumble into a wider universe of size, muscle, double-digit-length cocks and much, much more and discover the true meaning of shared, radical, uninhibited pleasure.  •Cock Growth •Huge Cock •Self-suck •Straight to Gay •Muscle Growth •Muscle/Strength •Getting Taller •Size Increase •Age Difference •Bestiality •First Time/Virgin •Incest •Brothers •Father/Son •Twins •Bisexual •Hetero Sex •Nonconsensual change •Sex-Slave •Shared Body •Aliens •Space Travel •Witch/Warlock/Wizard •Thanksgiving •Mind Control •Complete •Series  Added Apr 2019 Updated May 2021 40 parts 365,561 words 127,371 views 3.4 stars (5 votes)
• The escape by hyperboi  [  ]  Sam and his brother find themselves taken in their sleep and trapped in some strange warehouse-like space, along with all the other teens in their community. Not only is there no way out, but something is happening to them all...  •Cock Growth •Huge Cock •Hyper Cock •Self-suck •Straight to Gay •Muscle Growth •Muscle/Strength •Incest •Brothers •Twins •Nonconsensual change •Aliens  Added Dec 2014 3,492 words 24,972 views 4.7 stars (21 votes)

• The landing by C.W.P.  [  ]  Mulling the pointlessness of his life on a vacation to Alaska, Chris is thrilled to encounter a pair of extremely well endowed aliens.  •Cock Growth •Huge Cock •Aliens •Space Travel •M/M  Added Jul 2014 3 parts 7,254 words 12,180 views 4.4 stars (12 votes)

• Means of escape by BRK  [  ]  Even for a randy space marine, life as a sex slave is not your first choice. But it looks like a distinct possibility after days of incarceration on the wrong planet. So when an offer of help arrives, it’s not something you ignore—even if the offer is telepathic and the help involves certain side-effects.  •Muscle/Strength •Stretchy •Aliens •Space Travel •Set in the Future  Added May 2017 3,970 words 7,896 views
• MooMilk by Meddler Incs  [  ]  The secrets of the newest workout supplement are about to be revealed.  •Nipple Emissions •Muscle Breast •Muscle/Strength •Aliens •Anthro/Furry  Added Aug 2020 1,760 words 7,261 views
• Muscle Mice From Mars by Mr. Mouse  [  ]  This is the story of a certain group of anthro alien biker mice and how they went from sexy, strong, and buff to hyper masculine and super strong with a little unintentional help from some old enemies.  •Cock Growth •Huge Balls •Huge Cock •Hyper Cum •Hyper Muscle •Muscle Growth •Muscle/Strength •Size Increase •Destruction/Violence •Restraints •Aliens •Anthro/Furry  Added Oct 2019 2 parts 3,260 words 5,380 views

• The night he came by Charles Westfall  [  ]  Thomas encounters alien visitors with equipment even bigger than his.  •Cock Growth •Hyper Cock •Self-suck •Hyper Cum •Muscle Growth •Muscle/Strength •Size Increase •Nanotech •Aliens  Added Jul 2002 7,839 words 21,638 views 4.8 stars (5 votes)

• Pan-Galactic Human Fan Club by bluesuedewho  [  ]  Super-straight dude Charley gets abducted by a bunch of human-loving alien hunks. The beefy space bros keep telling him that humans are all naturally obsessed with sculpted muscles and huge dicks, but that’s crazy talk. So what if Charley occasionally slips away to jerk off to the thought of servicing giant alien dicks? That’s totally normal, right?  •Huge Cock •Other Mental Changes •Straight to Gay •Muscle/Strength •Plausible Size Difference •Aliens •Androids/Cyborgs  Added Jul 2021 5,323 words 2,815 views 4.6 stars (5 votes)
• Pollination by Absman420  [  ]  The beginning of the most erotic alien invasion/muscle growth story… ever!  •Cock Growth •Huge Balls •Huge Cock •Muscle Growth •Muscle/Strength •Plants •Aliens  Added Oct 2020 5,867 words 8,965 views 4.9 stars (15 votes)

• The Scrotoman by TlaloctheWeirdo  [  ]  A university student’s life is about to change when his best friend, one of the university’s top athletes, stashes a human-like alien in his room.  •Huge Balls •Huge Cock •Muscle/Strength •Aliens  Added Apr 2021 Updated May 2021 2 parts 4,766 words 5,255 views
• Self-improvement by BRK  [  ]  Cam needs to get the cute guy he’s dosed with a little bit of experimental physio-changing serum to say what he wants in order for the transformations to start. He’s planning to keep things small and subtle, only Aiden isn’t as bashful as he appears, and he’s also just a tiny bit drunk.  •Cock Growth •Huge Cock •Replication •Muscle Growth •Gradual Change •Suggestion •Aliens •Complete •M/M •M/M/M  Added Sep 2018 4,175 words 12,094 views 4.9 stars (12 votes)
• The shape of things to come by Mykkhal  [  ]  The growing intimacy between Tom and Harry is disrupted by the revelation that Harry isn’t who—or what—he appears to be.  •Transformation •Aliens •Goo People •Space Travel •Shapeshifting •Set in the Future •M/M  Added Mar 2003 13 parts 31,913 words 17,296 views 4.7 stars (10 votes)
• Slimed by Dylan Utah  [  ]  Gym rat Dane has an encounter with an alien symbiote, complicating not only his own life but his friends’ as well.  •Addiction •Straight to Gay •Hyper Muscle •Muscle Growth •Muscle/Strength •Nonconsensual change •Aliens •Symbiotes •M/M  Added Oct 2022 5 parts 33,918 words 10,477 views 4.8 stars (18 votes)
• The solitary flesh by Mikeytron  [  ]  A pair of space mercenaries are dispatched to a strange alien world to guard the manufacture of a massive quantity of the medical and cosmetic wonderdrug SynthStem, which allows humans to reshape their bodies. In part one, the stage is set and the stakes are raised.  •Huge Cock •Other Mental Changes •Hyper Muscle •Immobility •Muscle Growth •Muscle/Strength •Gradual Change •Merging •Aliens •Space Travel •Complete •Set in the Future •M/M  Added Sep 2022 Updated Oct 2022 4 parts 23,643 words 10,359 views 5.0 stars (73 votes)
• Summer breeze by Dave  [  ]  Swim hunk Mike is asked to employ his recently improved body and unstoppable libido in the service of intergalactic peace.  •Cock Growth •Huge Cock •Transformation •Aliens  Added Jun 2012 5,170 words 12,051 views 5.0 stars (6 votes)
• Super Hard Planet Champions by BRK  [  ]  Logan and his buddies, along with the hot guy from the bowling alley Logan has a crush on, get pulled into a fight to save the universe from the evil Skorth. If only it didn’t involve wearing color-coded Lycra.  •Replication •Muscle Growth •Muscle/Strength •Size Increase •Lycra/Spandex •Aliens •Space Travel  Added Aug 2017 Updated May 2018 3 parts 18,764 words 12,565 views 4.3 stars (6 votes)

• The takeover by Flex Luthor  [  ]  An alien race employs sleek advertisement to turn Earth's top athletes into a horde of docile bodies in tubes, being pumped of their cum to create an army of supermasculine studs.  •Hyper Cock •Muscle Growth •Muscle/Strength •Transformation •Size Increase •Aliens •Mind Control  Added Aug 2017 Updated Sep 2017 3 parts 3,014 words 17,569 views 3.1 stars (8 votes)
• A taste of aedon by Josef Howard  [  ]  Adams and Evans survive the accidental explosion of their military vessel and land by life pod on the verdant class M planet Aedon.  •Cock Growth •Huge Cock •Straight to Gay •Muscle Growth •Muscle/Strength •Plants •Nonconsensual change •Aliens •Space Travel •M/M  Added Mar 2004 3,383 words 14,761 views 5.0 stars (5 votes)
• The tournament by AG Silver  [  ]  A soldier enters a wrestling competition with an alien, whose touch reveals more than he ever expected.  •Cock Growth •Huge Balls •Huge Cock •Muscle Growth •Muscle/Strength •Aliens  Added Aug 2019 Updated Nov 2019 4 parts 3,164 words 8,711 views 4.4 stars (15 votes)
• The training program by BRK  [  ]  Recruited to take part in an intense and highly selective three-week LEO training program, Texas Ranger Dusty thinks he and his fellow trainees are in for a lot of hard work and conditioning. What he doesn’t know is what exactly these elite law-enforcement men are being trained for.  •Always Hard •Cock Growth •Self-suck •Hyper Cum •Addiction •Other Mental Changes •Straight to Gay •Muscle Growth •Muscle/Strength •Always Shirtless •Increased Libido •Getting Handsomer •Gradual Change •Transformation •Getting Taller •Plausible Size Difference •Size Increase •Getting Hairy •Dom/Sub •Nonconsensual change •Sex-Slave •Aliens •Complete •M/M •M/M/M •M/M/M/...  Added Aug 2021 5 parts 8,850 words 11,300 views 4.4 stars (8 votes)

• An unexpected party by TheLegendOfSam  [  ]  Fashion model Zeke gets more than he bargained for at the agency’s annual Halloween party, this year hosted at one of the summer homes of his new billionaire colleague, and finds a whole new meaning for the phrase “sexy costume”…  •Extra facial features •Multi-abs •Multicock •Multihead •All Legs •Multiarm •Multileg •Multilimb •Three Legs •Multitorso •Replication •Merging •Aliens •Centaurs •Mermen •Supernatural •Halloween  Added Oct 2020 2 parts 4,699 words 4,697 views

• Vision space by BRK  [  ]  Sent to explore an unknown, derelict spaceship in search of usable technology, a young marine unexpectedly discovers three sexy inhabitants, guardians of a secret no one could have imagined.  •Cock Growth •Huge Cock •Hyper Cock •Hyper Muscle •Muscle Growth •Muscle/Strength •Transformation •Getting Taller •Giants •Size Decrease •Size Increase •Age Difference •Aliens •Space Travel •Complete •Set in the Future  Added Jun 2021 6,302 words 7,072 views 5.0 stars (11 votes)

• What happens on Venus by Malice Slashlover  [  ]  Garrett has a lot of questions about the Venusians he’s living with as an exchange student, but the one he most wants an answer to is — why do Venusian guys have three cocks?  •Multicock •Detachable •Aliens •Space Travel •Set in the Future •M/M  Added Jul 2014 2 parts 4,591 words 9,620 views
• A whole new world by MarcusB00  [  ]  Two siblings, looking for a profit, break into an abandoned facility for potential treasure. Along the way they accidentally open a portal and get sucked in, and one of them get woken up by young dude with muscle powers in a new world.  •Cock Growth •Huge Cock •Hyper Cum •Hyper Strength •Muscle Growth •Muscle/Strength •Destruction/Violence •Aliens  Added Nov 2020 Updated Jun 2021 3 parts 10,278 words 8,751 views 5.0 stars (5 votes)