Guessthecoaster
One coaster a day. Six guesses.
Every guess turns today's card over and shows which of seven specs match: country, manufacturer, seating, year opened, height, speed and inversions. Work it out before you run out.
How a guess works
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Guess any coaster
Start typing a name. Everyone gets the same mystery coaster, and you have six guesses.
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Read the seven specs
Each guess comes back match or no match on every spec, with arrows for higher or lower on the numbers.
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Close in
Today's card keeps what you've learned: green when a spec is confirmed, a range like "over 306 ft" while you narrow it down.
In the beta, and what's next
Play now, free
- The daily coaster. A new one at your midnight.
- Past puzzles. Catch up on the days you missed.
- XP, levels and streaks. A hundred levels, from First Timer up.
- Your ridden collection. Mark the coasters you've ridden.
- No account needed. Play as a guest; add an email later to keep your progress.
Coming to beta testers first
- Duels. Challenge a friend to the same mystery coaster. 60 seconds per guess, fewest guesses wins.
- Crews. A group for your park friends, with its own leaderboard.
- Then the App Store. The full release comes after beta testers have tried it all. Join the beta to hear first.
Play it on your iPhone
The beta is free. You'll get Apple's TestFlight app first, which is how Apple runs app betas, and then Guess the Coaster installs like any other app.
Join the betaNeeds an iPhone with iOS 16.4 or later. There's no Android version yet.
