Open
Pick a booster — Places, Animals or Master — and reveal five cards. Each universe has its own collection to finish.
A free trading card game.
The cards are real.
Atsumia is a free online collectible card game made from open knowledge. Every booster holds five real subjects — cities, animals and brands today, with new universes chosen by the players. A card’s rarity comes from how much people actually read about it.
Boosters are always free Sources always credited Open public data
Every card exists for real.
So do its sources.
Collect
Every card joins the right albums automatically — countries for places, families for animals, and categories for every new universe.
Understand
Rarity is measured, not assigned. Each card shows the pageview total and the percentile that put it in its tier.
The more people look it up,
the rarer the card.
A card’s tier comes from one number: how many times its Wikipedia articles were read over the last 365 days, summed across languages. No editor picks the Legendaries. A village, a beetle and a brand are measured by the same public rule.
See the whole method●Percentile 0–60Common
⌁Percentile 60–85Uncommon
▲Percentile 85–97Rare
◆Percentile 97–99.5Epic
♛Percentile 99.5–99.95Legendary
✦Percentile 99.95–100Mythic
—cards you can pull today
—published universes
6rarity tiers, all derived
0cards written by hand
Reality is too varied
to fit in one collection.
Boosters are always free Sources always credited Open public data