Pjocrossover Stories

82 Stories

I'm a Mermaid (a PJO / H2O crossover) - Complete by I_Write_Things_01
#1
I'm a Mermaid (a PJO / H2O crossov...by I_Write_Things_01
After the giant war, Percy wants to get away from the mythological life, and so do Sally and Paul. So what to they do? They move to Mako, Australia. Highest rank #1 in p...
Completed
Judgment of the Demigods: Demigod Karma by xxx_Crescent_xxx
#2
Judgment of the Demigods: Demigod...by Crescent
This is a crossover between Percy Jackson and Undertale After a genocide route, Sans is somehow not dead, and Chara has broken the barrier and mysteriously disappeared...
Completed
Ghost King meets Oliver Queen  by 2many_Fandoms
#3
Ghost King meets Oliver Queen by Confuzzled_Patton
Haha bitch u thoughtbi was done didnt you ^^^yeah so this book took a year long hiatus before I decided to update again but on finishing it this time. Nico didnt know wh...
Life Changing Adventure 2 by Percabeth771981
#4
Life Changing Adventure 2by Percabeth
Sequel to life changing adventure . After the triwizard tournament Percy has somewhat recovered from the loss of Annabeth with his new girlfriend and new friends . He is...
A Call For Heroes (Pjo x Hunger Games by OceanRTC
#5
A Call For Heroes (Pjo x Hunger Ga...by Ocean
What if Percy gets sent to help Katniss and Peeta win the games... will he be trusted?
Completed
Life changing adventure by Percabeth771981
#6
Life changing adventureby Percabeth
It has been a week after her death . He doesn't feel anything . He doesn't know whether he could move on or not . She had died even before he could express his feelings...
What is it With Mako and Mermaids? (A PJO / Mako Mermaids Crossover) by I_Write_Things_01
#7
What is it With Mako and Mermaids...by I_Write_Things_01
Book 2 of the I'm a Mermaid Series 10 years ago, Percy and his family spent 6 months in Australia, and now, Percy is going back. After a New Rome college education and a...
Completed
Maybe One Day (Solangelo at Hogwarts) Discontinued by bookfaeriee
#8
Maybe One Day (Solangelo at Hogwar...by bookfaerie
Harry Potter and crew are invited back for a redo of seventh year, due to events beyond their control. Nico And Will Solace are going to Hogwarts as well, due to events...
The Hidden Son (Percy Jackson / Marvel's Agents of SHIELD Crossover) by cajoling
#9
The Hidden Son (Percy Jackson / Ma...by cajoling
"What are you guys, some sort of alien hunters?" Coulson supposed that a real gun wouldn't work on...whatever these things were, but... "Alien h...
Enemies? (aka the Grandson of ol' Voldy, PJO and HP crossover) by KevinDaGlorb
#10
Enemies? (aka the Grandson of ol'...by KevinDaGlorb
Gaea has been defeated, Leo has returned with Calypso, and everyone is enjoying their time chillin' and... well, chillin' some more! Apart from the odd monster, everythi...
1. The Runaway Siblings by Myth0Nerd
#11
1. The Runaway Siblingsby MythoNerd
Bianca and Nico di Angelo have been running from the law for months, until they reach the most crime ridden city in America; Gotham. With the police focused on other cri...
2. The Wrath of the Labyrinth by Myth0Nerd
#12
2. The Wrath of the Labyrinthby MythoNerd
The second installment of the Runaway Siblings. Nico looks for a way out of the labyrinth where he is faced with multiple challenges. He doesn't know who he is, where h...
Demigoddess in a Wizarding World: Half-Blood by Rooney1077
#13
Demigoddess in a Wizarding World:...by Rooney
The charges against Perci Potter have finally been dropped after the events in the Ministry last summer. Nothing about her is the same, though. She's pushing people awa...
Completed
Down to the Riptide | PJO/Mako Mermaids  by -ThatDamAuthor-
#14
Down to the Riptide | PJO/Mako Mer...by NovaM
After using his blood-bending powers in a bout of rage in front of the demigods, Percy runs away in shame. Well, more like swims. With the help of Poseidon and some new...
The God of Mako Island (I'm a Mermaid Series Book 3) by I_Write_Things_01
#15
The God of Mako Island (I'm a Merm...by I_Write_Things_01
Percy has lost almost everything and everyone he cares about in his life, all because of a virus and a summer trip to Australia. He's immortal, and the Gods don't like t...
Completed
The Ring of Power by Rooney1077
#16
The Ring of Powerby Rooney
This story takes place in the LOTR movies. A new character, fem!Percy, along with other PJO characters are going to be joining the Fellowship of the Ring and the adventu...
haunt me ꩜ kotlc + pjo by akusyue
#17
haunt me ꩜ kotlc + pjoby ·˚ ༘ dai
( if i were you i wouldn't ) ..... incomplete ! warning - this sucks. *tsukkishima stares in judgement* if you're into crappy fanfiction or shit like that go ahead and...
To Wash Away a Sin by infinity500
#18
To Wash Away a Sinby infinity
Harry Potter/Percy Jackson Crossover Draco/Persephone Jackson Fem! Percy Summary: Draco and Perci go to the Black Lake in the middle of the night looking for answers but...
Down, Up And Around | DISCONTINUED/REWRITTEN by bookfaeriee
#19
Down, Up And Around | DISCONTINUED...by bookfaerie
When the souls of the dead start appearing in the mortal world again, the campers at Camp Half Blood start to get worried. But when two souls show up together, they don'...
The Shifter (PJO/YJ Crossover) by EndGame23
#20
The Shifter (PJO/YJ Crossover)by Lilith NightShade
AU The best people have the rottest luck that is one fact Percy has never forgotten. Walking into a meeting of villians? Been there done that. Being kidnapped by 'heroes...