Space Travel

• 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 18,240 views 4.0 stars (7 votes)
• Basically a god by CurlyJin  [  ]  What do you do when the kid you bullied in high school becomes a god?  •Cock Growth •Huge Balls •Hyper Cock •Hyper Cum •Getting Taller •Giants •Size Increase •Bisexual •Hetero Sex •Lycra/Spandex •Space Travel •Superhero/Supervillain •Flying •X-Ray Vision •M/M  Added Jul 2016 Updated Jun 2019 9 parts 31,027 words 76,686 views 4.3 stars (23 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 14,888 views 3.3 stars (9 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 14,731 views 4.4 stars (16 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 10,161 views 4.3 stars (11 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 128,472 views 3.4 stars (5 votes)
• Enhanced muscle and futuristic porn by Marquis de Rent  [  ]  In a futuristic space convoy, a young doctor builds his career on groundbreaking male enhancements.  •Cock Growth •Huge Cock •Hyper Cock •Female to Male •Immobility •Muscle Growth •Muscle/Strength •Transformation •Plausible Size Difference •Size Increase •Nanotech •Space Travel •Set in the Future •M/M •M/M/M  Added Sep 2016 5 parts 25,251 words 31,342 views 4.5 stars (27 votes)
• Exploring Glen’s inner spaces by Just Gay Sex  [  ]  After escaping Belinda’s ray gun blasts by leaping aboard the nearest starship Glen had found himself a stowaway on the famous Phallic Explorer. Whether or not landing on the ultimate male sexual cruise was going to work out for him he had no idea, but as always he enjoyed the initial take off and exit from the system.  •Multicock •Mouthcock •Space Travel •M/M  Added Oct 2010 2 parts 2,329 words 11,764 views

• Fortitude by BRK  [  ]  A starship full of hot young recruits gets marooned in a strange part of space that seems to have an augmenting effect on the crew, leaving the AI and the unexpectedly immune commander to try to get them free.  •Cock Growth •Huge Cock •Muscle Growth •Muscle/Strength •Size Increase •Space Travel •M/M •M/M/M/...  Added Aug 2009 Updated Dec 2022 4 parts 14,755 words 36,461 views 4.8 stars (51 votes)

• Gym of 1000 studs by LorneLyon  [  ]  Somewhere there is a special gym, a gym that will allow you to overcome your problems and give you something in return. One day Tobias is on the run for his bullies when he discovers the Gym of 1000 studs. He decides to go in and ends up changing his life.  •Muscle Growth •Space Travel •Time Travel •Supernatural •M/M  Added Mar 2020 2 parts 5,277 words 4,604 views

• Homeward by BRK  [  ]  Getting home by teleport is tough enough, but it's even more of a hassle when the teleporter is malfunctioning and doesn’t register that you’ve already been reconstructed on the other side.  •Replication •Getting Taller •Merging •Space Travel •Set in the Future  Added Dec 2002 1,909 words 8,618 views

• 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 12,296 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 8,002 views

• The other side by BRK  [  ]  Avery, a randy cargohauler, is piloting his navship through the dimensions between the point A and point B when an unexpected breach sends him into a surreal expanse… where a well-built, winged figure takes a less-than-angelic interest in him.  •Cock Growth •Huge Cock •Hyper Cock •Wings •Muscle/Strength •Plausible Size Difference •Space Travel •Centaurs •Mermen •Complete •Set in the Future •M/M  Added Mar 2021 6,407 words 4,260 views 4.9 stars (7 votes)

• Pre-trip conditioning by WordShop  [  ]  As humans expand into space in the 22nd century, Gerry takes a job on a mining colony, little anticipating how much the experiience will change him.  •Muscle/Strength •Getting Hairy •Space Travel •Set in the Future •M  Added May 2003 4,059 words 11,089 views

• 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 17,443 views 4.7 stars (10 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 11,041 views 5.0 stars (75 votes)
• Space clones by Josh Dugan  [  ]  A brilliant cousin, like his spaceship, is full of himself, but there's room for one more.  •Four Legs •Multiarm •Multilimb •Replication •Space Travel •Set in the Future  Added Nov 1998 2,338 words 8,357 views 4.1 stars (8 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 12,650 views 4.3 stars (6 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 14,938 views 5.0 stars (5 votes)
• Toy story by LenZelig  [  ]  During a storm Bob stumbles across a strange webpage offering something called “The Ultimate Sex Machine”. Intrigued, he clicks “order”, expecting maybe a sophisticated sex toy. Instead he gets Randy, a hunk-shaped machine dedicated to ensuring that Bob experiences ultimate sexual possibilities from now on and willing to reshape reality to make it happen.  •Muscle Growth •Muscle/Strength •Age Difference •Incest •Father/Son •Twins •Androids/Cyborgs •Space Travel •Complete •M/M •M/M/M/... •M/t •t/t  Added Jul 2002 2 parts 6,947 words 28,856 views 5.0 stars (27 votes)

• 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 7,310 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 9,714 views