Games like The Lost Marble

"Hot Lava" is a first-person platformer game that brings back memories of childhood imagination, where the floor is made of hot molten lava. Players must run, jump, climb, and surf through detailed environments filled with obstacles, while avoiding hazards and competing for the fastest route on the friends leaderboard. The game features drop-in-drop out multiplayer for up to eight players and allows for creative level design. The goal is to master execution and never touch the floor.

"N++" is a demanding science fiction platformer game, with 4,340 hand-crafted levels, promoting intense momentum-based gameplay in a minimalist landscape. Featuring local co-op, custom levels, global level sharing, and leaderboards, this final N series entry offers a wealth of replayability, memorable music, and hilarious moments throughout its challenging campaign.

iO is a single-player platformer game where you control a ball and use mechanics such as changing its size to affect speed and weight, allowing you to solve puzzles and reach the exit quickly. The game features 225 challenging levels, crafty mechanics including inverted gravity and portals, and leaderboards to compete against other players. Earn bronze, silver, and gold medals and support for dual stick controllers.

"Super Cloudbuilt" is a remastered speedrunning game where you play as Demi, a soldier who awakens in a strange world. With an emphasis on player skill and creativity, run through expansive worlds, using your exo-suite to explore hidden paths and collect power-ups. Try 177 challenges across 3 game modes, and compete for top positions in the leaderboards with lightning-fast, action-packed gameplay. The game follows Demi's journey to understand and accept her new reality.

DeadCore is a single-player Science Fiction Shooter game with a good plot and beautiful game mechanics, graphics, and music. As you climb the Tower to uncover secrets, you'll encounter high-tech security systems, robots, and traps that you'll need to skillfully navigate and defeat using your SwitchGun. The game offers a mysterious world with immense levels, secret passages, and upgrades to explore, making for fantastic replayability, despite being poorly optimized, grinding, and full of bugs.

"Cloudbuilt" is a single-player Science Fiction Platformer game with a good plot and phenomenal gameplay, visuals, and music. As wounded war veteran Demi, explore a world above the clouds, using your rocket-powered suit to run on walls, leap, and dodge hostile robots. The game features over 40 levels, including 34 revised for 2020, offering a smooth and balanced experience, making it very replayable.

Khimera: Destroy All Monster Girls is a DRM-free beat-em-up platformer, originally released on Steam in 2016, where you play as Chelshia, a synthetic chimera with parts of oni, golem, and harpy, protecting your monster-inhabited island home from looting pirates using GIANT STONE FIST technology. This itch.io version has identical features to the Steam version and can transfer saves between the two.

"Crumble is a physics-based platformer featuring a grappling tongue mechanic, available in single-player and local multi-player modes for up to 4 players. In the campaign mode, progress through an unstable world, and in Party Mode, compete for high scores. With high dynamic physics, vibrant environments, and unlockable skins, Crumble offers phenomenal gameplay, exceptional graphics, and hilarious moments."

"Project Earth" is a resource management and navigation game where you turn Earth into a spaceship to escape a dying sun. Manage resources to produce fuel, steer the planet with keys, and scavenge extra fuel from nearby planets using a mouse. A demo of this game is available for free on Steam, preferably downloaded rather than played in WebGL for better performance.

Road to Ballhalla is a rhythm-based platformer where you guide a ball through challenging mazes. Solve puzzles, avoid obstacles, and reach the exit in time with the beat. With a quirky sense of humor and various difficulty settings, it's a fun and addictive game for both rhythm game veterans and newcomers.