Quick take
Spilled! is a tiny cozy game about cleaning oil, plastic, and other waste from the ocean. It is simple, calm, and finished before it has much time to wear out its welcome. That shortness is also the ceiling: this is one pleasant idea, carried almost exactly as far as one pleasant idea can go.
What works
The cleanup loop is immediately readable. You steer the boat, collect the mess, turn waste into coins, upgrade capacity or tools, and move to the next area. Watching the water clear and the environment brighten gives each little zone a tidy sense of completion.
It also understands its scale. A 100% run lands under an hour, the difficulty is basically nonexistent, and there are no fail conditions pushing against the mood. For the right evening, that frictionless shape is the point.
Where it slips
There is not much game underneath the premise. Spilled! keeps returning to the same rhythm of cleaning, cashing in, upgrading, and unlocking the next area. New tasks show up, but they mostly change the object being cleaned rather than the way you think or play.
The lack of failure is relaxing, but it also means there is almost no pressure, mastery, or surprise. Once you understand the loop, the rest is a soft checklist.
Who it's for
Play it only if you specifically want a very short, relaxing cleanup game. Spilled! is pleasant, readable, and easy to finish in one sitting. If you want meaningful challenge, deeper upgrades, or a cozy game with stronger long-term pull, this is too small to recommend beyond that narrow mood.