Gelu is a single-player 2D pixel platformer game where players control a cute character capable of creating and destroying ice copies to navigate through levels. These ice copies assist in climbing, overcoming obstacles, and solving puzzles, with a limited number of uses per level. In this game, the storyline revolves around Gelu's journey through challenging levels, requiring strategic use of his ice copies to progress and overcome various obstacles and puzzles. It stands out with its retro pixel art style, colorful visuals, and physics-based gameplay elements. The game emphasizes creative problem-solving and precise platforming, offering a nostalgic yet engaging experience for fans of casual and sandbox platformers.