Here are some common themes that you may encounter in popular user-created levels in Geometry Dash:
Neon and Futuristic: Many levels feature neon colors, futuristic elements, and glowing effects that create a visually striking and immersive experience for players.
Geometry and Shapes: Given the game's geometric theme, levels often incorporate various shapes, patterns, and structures that align with the game's aesthetics.
Pixel Art: Some levels showcase intricate pixel art designs, creating detailed images, characters, or scenes using the game's blocky visual style.
Nature and Landscapes: Levels inspired by nature often include themes such as forests, mountains, waterfalls, and other natural landscapes, adding a serene and organic feel to the gameplay.
Space and Sci-Fi: Space-themed levels often feature cosmic backgrounds, planets, stars, and other sci-fi elements that transport players to outer space.
Industrial and Mechanical: Levels with an industrial or mechanical theme may include gears, machinery, pipes, and other mechanical elements that create a sense of complexity and precision.
Retro and Arcade: Some levels draw inspiration from retro arcade games, featuring nostalgic visuals, pixel art, and chiptune music that harken back to classic gaming styles.