Use the Planet Quiz Ultra
Test your space knowledge with Planet Quiz Ultra! Answer questions about planets, moons, stars, and the solar system.
- Free to use
- No signup
- Nothing to install
- Works in any modern browser
Illustration. Open the tool for the real thing.
See it in action
Shown during play

What is the Planet Quiz Ultra?
Planet Quiz Ultra is a space and astronomy quiz. You pick a level: Cadet (20 seconds, 3 lives, basic solar system), Explorer (15 seconds, 3 lives, deep space topics) or Commander (10 seconds, 2 lives, clusters and nebulae). Each question can come with a space fact.
4 steps to your result
Open the tool and follow along. Nothing to install.
What you get
Test your space knowledge with Planet Quiz Ultra!
Answer questions about planets, moons, stars, and the solar system.
Multiple difficulty levels, timed rounds, and leaderboards.
Free to play!
AZRS tools are free to open and use.
It opens in your browser, so there is nothing to download.
How it compares
A plain look at this tool next to the usual alternative.
| This game | Desktop software | |
|---|---|---|
| Install | Nothing to install | Usually an app or program to install |
| Account | No signup | Depends on the product |
| Cost | Free to use | Free or paid, depends on the product |
Questions people ask
How many questions are there?
Each mission shows a question counter out of 10.
How do the levels differ?
Cadet has 20 seconds and 3 lives, Explorer 15 seconds and 3 lives, Commander 10 seconds and 2 lives.
What lifelines are there?
50/50, +5 SEC and SKIP.
More free tools
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Try the Planet Quiz Ultra now
Test your space knowledge with Planet Quiz Ultra!. Free to use.
Try it free