

Paper Mario Multiplayer is a ROM hack/mod of Paper Mario (Nintendo 64) developed by SKELUX which adds support for multiplayer, with the second player controlling Mario's partner.

Role-playing (RPG) / Action / Fantasy
Book of Mario is a text-hack of the Paper Mario (Nintendo 64) created by Fatguy703 and his fans. The text within the game is produced by oscillating translations several times (with Google Translate) to change the dialogue, creating a very different plot from the original game. The game also has a new badge added, which was only obtained via hacking.

Role-playing (RPG) / Action / Fantasy
Bowser's Dark Story is a ROM hack/mod of Paper Mario. The game is an alternative take on the story, from the perspective that tells how it would be if Bowser won against Mario and conquered the Mushroom Kingdom. The player controls the villain, Bowser, through an adventure, finding allies and battling enemies.

Role-playing (RPG) / Action / Fantasy
TTYD64 is a PM64 romhack that adds TTYD's gameplay into the original Paper Mario plus all new items, badges, and recipes from that game, and a lot of new areas to explore plus other additions.

Platform / Role-playing (RPG) / Adventure / Action / Fantasy
Super Mario RPG: Armageddon is a difficulty and content mod for Super Mario RPG. It rebalances the entire game and adds a lot more post-game content, such as more FF bosses, two boss rushes, and even some special guests!

Role-playing (RPG) / Action / Fantasy
Pokémon Grand Dad Version is a ROM hack of Pokémon FireRed, released on July 7, 2016 as part of the SiIvaGunner Reboot ARG. It is a playable Pokémon battle between Chad Warden and The Voice Inside Your Head.

Puzzle / Role-playing (RPG) / Turn-based strategy (TBS) / Action / Fantasy
Celia's Stupid Romhack is a comedy puzzle romhack of Pokémon FireRed, designed for everyone who loves Pokémon!. Enjoy a cavalcade of hilarity, nonsense, and fun! Grab some friends and sit around and enjoy the show together! Every line of dialogue is quirky and fun, and every Pokémon has been changed in some way.

Role-playing (RPG) / Adventure / Action / Fantasy
Paper Mario, a turn-based JRPG entry in the Mario franchise with a paper-based aesthetic and platforming elements, sees the titular character working his way through the Mushroom Kingdom's diverse locales and biomes, meeting its inhabitants, fighthing unruly enemies and recruiting an array of companions in order to once again save Princess Peach from the clutches of the evil Koopa King Bowser.

Role-playing (RPG) / Adventure / Action / Fantasy
An evil witch has replaced Princess Peach's fair speech with explosives! Mario and Luigi must once again come to her rescue, but this time they employ the help of Bowser, their sworn enemy. Mario and Luigi must learn new moves and combine powers to fight off enemies and move closer to the witch's castle. Guide this unlikely bunch through an abundance of minigames such as Border Jump and Mystery Carts. Combine the powers of Mario and Luigi to pull off special tag-team moves. Immerse yourself in this bright, cartoonish, and humorous world, complete with hit music featured in previous Mario games.