Games like Crumble

"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.

Grapple is a single-player 3D puzzle platformer game set in a Sci-Fi world. With 90 levels, players can use powerful movement mechanics to swing, fling, and climb across various surfaces, completing levels their own way. The game features sandbox puzzles, cannons, speed run mode, and secrets, all set to a backdrop of fabulous music.

Grapple Dog is a fast-paced 2D platformer where you play as Pablo, a dog with a grappling hook. Swing, climb, and jump through levels filled with challenges, enemies, and secrets. Collect medallions to unlock new abilities and save the world from the evil kitty corporation in this charming and engaging adventure.

In "Penny's Big Breakaway," players join Penny and her sentient yo-yo, Yo-Yo, in a vibrant 3D-platformer. After a cosmic string transforms Yo-Yo, Penny must clear her name and unravel the mystery of the string while outrunning the Emperor's penguin army. With easy-to-learn gameplay and challenging mechanics, players must navigate the fluorescent world of Macaroon and perform impressive yo-yo tricks to help Penny achieve her dreams.

Cyber Hook is a fast-paced, 3D platformer that combines parkour movement with grappling hook action and laser gun fights. Players must navigate through a series of 70+ levels, using their skills and tools to scale walls, avoid obstacles, and defeat enemies. With the ability to warp time and manipulate physics, Cyber Hook encourages players to think creatively and forge their own path.

Haste is a high-speed third-person running game set in a collapsing universe, where you race through procedurally generated levels across ten Shards. Master movement, utilize over 90 items and four abilities, and face challenges alongside memorable characters. Progress quickly before each world falls apart to uncover the story and escape the destruction.

In "Demon Turf," players navigate a 3D world as the demon Beebz, seeking to become the Demon King by conquering various turfs from rival gangs. The game features platforming challenges, combat, and the ability to customize Beebz's skills and appearance. With hand-drawn animation and a unique art style, "Demon Turf" offers a fresh take on the platformer genre.

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.

"Climb Up" is a thrilling multiplayer shooter game with amazing mechanics, stunning visuals, and an epic soundtrack. Compete against another player to collect three keys that lead to victory. Choose between the Cowboy, the fastest and strongest with impulse grenades, or the Old Ninja, the most skilled fighter with an ancient sword. With plenty of replayability, this game offers a masterful action-packed experience.

"Splasher is a single-player comedy shooter game with unique arcade/action gameplay and a cartoonish aesthetic. As a hero armed with a paint cannon, players must save workers and battle the factory's evil boss across challenging levels, using different paint colors for superpowers in time attack and speedrun modes."