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Educational game

Collect History.

Put your knowledge to the test by placing events, objects and figures across eras and continents to grow your card collection.

Available on iOS and Android
HistoryDex app home screen
How it works

Explore history by playing.

  1. The three-card draw at the start of a round 01

    Draw a puzzle

    Each puzzle has three cards to solve: an artwork, a monument, a battle, a great figure…

  2. Dating a card on the timeline
    Placing a card on the globe to answer “Where?”
    02

    Answer: Where? and When?

    Place each card on the timeline, then find its spot on the globe.

  3. The collection — your HistoryDex 03

    Collect and complete your HistoryDex

    Get it right: the card joins your collection and reveals its detailed history.

Two ways to play

From the most accessible to the most demanding.

Explorer To start out

Put the cards in order and sort them into the right region. Accessible, no pressure.

Historian For history buffs

Drop the date as precisely as you can on the timeline and pin the spot on the globe. Demanding, precise.

A round's answer screen — where and when each card belongs
A card's detailed entry — Confucius
Learn by playing

Every card has a story to tell.

A correct answer adds the card to your collection. Get it wrong and the answer screen shows you where and when the event happened — then dive into its detailed entry.

  • Review the cards you missed and their detailed entry
  • See where and when each event truly happened
The Exhibition Room

Choose how your collection is displayed.

Ten exhibition themes to stage your cards — marble, waxed wood, museum velvet, parchment…

The Gilded parchment theme
The Coin cabinet theme
The Marble gallery theme
The Velvet & glass theme
The collection in the Classic theme
The Wood & brass theme

3 free themes: Classic, Marble gallery, Wood & brass.

7 themes with the Cabinet of Curiosities: Velvet & glass, Specimen plate, Gilded parchment, Lapidary, Museum at night, Grand display case, Coin cabinet.

Statistics

Your collection, in numbers.

A shareable collector card — dominant era, favorite region, rarest card, longest streak — plus your progress era by era. With the Cabinet, open the statistician's full workshop.

  • Your shareable collector card, free
  • Completion rings and era-by-era progress
  • Living rarity: every card shows the % of collectors who own it
  • With the Cabinet: world map, era timeline, activity calendar, precision & trends
The Statistics screen — activity calendar and precision chart
★ Cabinet of Curiosities

Play without limits.

Unlimited rounds, zero ads, exhibition themes and advanced statistics: the best of HistoryDex.

  • Unlimited puzzles, zero ads
  • 7 premium themes in the Exhibition Room
  • Advanced collector statistics
Monthly
€2.99/ month
Best value
Yearly
€14.99/ year
≈ €1.25/month
Available in the app

No free trial. The game stays fully playable for free; the subscription is managed in the app.

Daily puzzle

A new challenge every day.

Every day, the same cards as every other player. One single try to set the best score you can.

Daily challenge recap card: 2 of 3 cards solved
Exhibition of the week

Twelve pieces, one theme, one room.

A new exhibition regularly opens its doors: twelve cards gathered around a single thread — builders, explorers… Play its riddles to reveal the mystery grid and complete the room before it closes.

  • A mystery grid revealed as you play
  • A curator's title to wear, free for every visitor
  • Its visual theme yours to keep forever with the Cabinet
The exhibition of the week — Into the Unknown, twelve pieces to gather
A completed past exhibition — Builders of Eternity
The weekly leaderboard — podium, points and your standing
Leaderboard

Every Monday, everyone starts from zero.

Every correct answer earns points on the weekly leaderboard, in Explorer and Historian alike. Aim for the podium: the top 3 win the title of the week, the top 10 refill their riddles twice as fast for seven days.

  • Two leaderboards: Explorer and Historian
  • All-time: your best week ever — a record to beat
  • Medals and titles kept for life on your player card

Frequently asked questions

Yes. HistoryDex is fully playable for free: a puzzle stock that refills on its own, plus the daily puzzle. The optional Cabinet of Curiosities subscription adds unlimited rounds, removes ads and unlocks the Exhibition Room's premium themes plus advanced statistics.

On iOS and Android. The game is built for mobile; this web page is not the playable version.

Six languages: French, English, Spanish, German, Italian and Portuguese.

The world is museum-like and gentle, with no violence. The tone stays demanding: great from middle school and for any family curious about history.

Cabinet of Curiosities is an auto-renewable subscription: €2.99/month or €14.99/year, no free trial. Manage or cancel it from your App Store or Google Play account settings.

No. You can play right away, no account required.

Feedback & bugs

Found a bug or have an idea?

HistoryDex is evolving fast. Tell us about any issue or suggestion — we read every message.