Games like JollyJailJumper - [JJJ]

"They Bleed Pixels" is a platforming slash-em up game where an academy student must defeat a curse transforming their body into a demonic form through nightmarish levels. The game offers a balance of fast-paced acrobatic platforming and combat, with a unique checkpoint system that rewards smart and stylish kills. Its features include hardcore difficulty, an easier mode, striking art style, and an original electronic soundtrack, with bonuses to unlock.

Fenix Rage is a challenging platformer with fast-paced gameplay. Take control of Fenix, a small creature seeking revenge on the creature that destroyed his village. Traverse through dynamic levels filled with traps, enemies and obstacles, requiring quick reflexes and strategy to complete. With over 200 levels and various difficulty modes, Fenix Rage offers a challenging and engaging experience.

In "Wunderling DX" , players step into the shoes of a weak enemy determined to stop the hero, Carrot Man, from saving the princess. The game features tough-as-nails platforming with treacherous mazes and challenging puzzles, requiring players to master new moves and collect shiny collectibles. With enough practice, players can unlock secret levels and customizations, adding an extra layer of excitement to this unique "goomba simulator." However, be prepared for many attempts and challenges as you progress through the game.

Chetz! is a hardcore platformer, made in the spirit of classic platormers. This is the first chess-based platformer ever in the world! You get to play as beloved chess characters. You have seen them on the board before, now get ready to take control of them in the game! Through any means, defeat the opposing king and reclaim your title as a Chetz! master.

Sk8 is a physics-based hardcore 2D platformer with a punishing experience which encourages careful approach.

Nikoderiko: The Magical World — Director’s Cut is a vibrant platformer where you control Niko and Luna across eight colorful worlds, battling the evil Baron Grimbald and his Cobring army. Featuring thrilling runs, jumps, minecart rides, and epic boss fights, it offers solo or couch co-op play with added levels, treasures, and Hard Mode challenges.

Little Meatmo is a single-player game with an intriguing story, featuring perfect mechanics, fantastic graphics, and music. However, it is very grinding with plenty of bugs and may elicit strong emotions. This modded version of Runmo lets you play as Meatmo, a character resembling Meatboy, offering splendid replayability. Despite some flaws, Little Meatmo is a unique and engaging gaming experience.

"Finding Xavier" is a feline-themed platformer where you search for a missing cat named Xavier in a sprawling outdoor environment. Gather beans to unlock abilities that help you reach new areas and uncover the mystery of Xavier's disappearance. Keep in mind that the game is relatively brief, particularly if you're skilled in platforming.

In "Avenger Bird," your mission is to rescue kidnapped birds across four diverse worlds, each with 32 unique levels and hidden treasures. Using your bird's flight and glide abilities, overcome challenges in this retro-inspired platformer featuring pixel-art graphics and a chiptune soundtrack, all reminiscent of 90's PC DOS and Amiga shareware games. Look out for Easter eggs and an epic boss fight.

"Eagle Island is a single-player fantasy platformer game with excellent mechanics, graphics, and music. In Eagle Island, soar through the skies with Quill and Koji, or explore diverse levels with Fia and Kusako in Eagle Island Twist. Battle fauna, flora, and bosses, collect coins, seeds, and manaroc, and navigate challenging retro-style platforming in over 45 handcrafted stages."