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Once the game starts, the jelly moves forward on its own. You are not steering or adjusting speed. The only action you control is jumping.
A single click or tap makes the jelly hop. Platforms appear at different heights and distances, so jumping randomly will end the run quickly. Some platforms move, some shift lanes, and others are placed just far enough to punish late reactions. Missing a landing or hitting an obstacle ends the run instantly.
As you survive longer, the layout becomes less forgiving. You will need to watch upcoming lanes and obstacles instead of reacting at the last second. Choosing the wrong lane often leaves no safe recovery jump.
Mouse click or screen tap: Jump
That is all. The challenge comes from judgment, not button combinations.
Jelly Runner uses endless generation, so platform patterns change every run. The jelly animation feels soft and responsive, making movement easy to read. Unlockable jelly colors and shapes add variety without affecting gameplay. Fast restarts keep the pace flowing after each failure.