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help & settings

how to play, scoring, and preferences

How to play

  1. 1

    read the event

    each puzzle has 5 historical events described in 2-3 sentences. the year is always omitted.

  2. 2

    guess the year

    drag the slider or tap the year display to type a number. the range is 1000 ce - 2025.

  3. 3

    lock it in

    press lock in to submit your guess. you'll immediately see the correct year, your score, and the story behind the event.

  4. 4

    repeat for all 5

    complete all five events to finish the day's puzzle and see your final score. share your results with the emoji card.

Scoring

each event is worth up to 100 points, plus a +10 bonus for an exact year. score drops smoothly the further off you are, zeroing out at 150+ years.

馃拵exact year
110 pts
馃徍~5 years off
~93 pts
馃徍~10 years off
~87 pts
馃獧~25 years off
~69 pts
馃獧~50 years off
~44 pts
馃Υ~75 years off
~25 pts
馃~100 years off
~11 pts
馃150+ years off
0 pts

max session score: 550 pts (5 perfect guesses)

Result symbols

馃拵
gemexact year - perfect find!
馃徍
artifactwithin ~10 years (85+ pts)
馃獧
coinwithin ~25 years (65+ pts)
馃Υ
fossilwithin ~75 years (20+ pts)
馃
rock75+ years off, or 150+ for zero

Streaks

complete the daily puzzle to start a streak. come back the next day to keep it going - missing a day resets your streak to zero. your longest ever streak is saved separately. streaks are shown on your results card and in the share text.

Settings

About

circa is a daily history guessing game. a new puzzle drops every day, same events for everyone, same time to play.