How the test works
- A core spins in the middle with pins sticking out of it.
- Click, tap or press Space to shoot your next ball straight up into the core.
- If your ball touches another pin, you lose a life and the level starts again.
- Shoot every ball to clear the level. Each level adds pins and balls and spins a little faster; from level 7 the core changes direction, and from level 12 its speed changes too. You have 3 lives.
What it measures
Coreball is a timing game: you have to judge when a gap in the spinning pins will reach the bottom and shoot at just the right moment. It trains timing, focus and patience, since rushing a shot is the most common way to lose a life.
What is a good score?
| Score | Better than about |
|---|---|
| 19 levels | 99% of people (top 1%) |
| 15 levels | 90% of people (top 10%) |
| 13 levels | 75% of people |
| 10 levels | 50% of people (average) |
| 7 levels | 25% of people |
Estimated from typical scores for this kind of test.
Tips to improve
- Watch the gap, not the core: wait until a wide gap is about to reach the bottom.
- Don't rush. There's no time limit, so wait for a safe moment.
- On levels that change direction, pause after each reversal before shooting.
- As the core fills up, shoot into the biggest gap left rather than the next one.
Frequently asked questions
What is a good Coreball score?
Clearing about 10 levels is typical. Level 16 or more puts you in roughly the top 7%.
Is there a time limit?
No. Take as long as you like before each shot; only hitting another pin costs a life.
Can I play Coreball on my phone?
Yes. Tap anywhere on the game to shoot. It also works on Chromebooks and tablets.