Collect Wikipedia as trading cards
Every card is a real Wikipedia article. The more people read about a topic, the rarer its card. Open free packs, complete albums, trade with friends and win quiz duels.
20 free packs for every new player →276 cards discovered so far
Open your first pack
Free, no sign-up: 5 real Wikipedia articles
Slide your finger along the top of the pack to open it
Loved collecting Wikipedia elsewhere? Start here with 20 free packs.
Every new account gets 20 packs, twice the usual amount. Open them straight away and build your collection in minutes.
Get my 20 packs →WikiBooster is an independent game, not affiliated with WikiMasters or Wikigacha.How it works
A free online card game where knowledge is the loot.
Get 5 cards every pack and a new pack every 10 minutes. No paid packs, ever.
A card’s rarity comes from how widely its article is read on Wikipedia. Taylor Swift is Legendary; your hometown’s church is Common.
Swap cards with friends or win them at auction on the market with leaves, the in-game currency.
Challenge players to 5-question duels drawn from your own cards. 15 seconds per question.
Rarest cards discovered
Real Wikipedia articles, drawn by players.
Rarity tiers
Based on how popular the article is compared to every other article on Wikipedia.
top 0.003% · 0.15% / card
top 0.003% to 0.02% · 0.85% / card
top 0.02% to 0.07% · 3% / card
top 0.07% to 0.4% · 10% / card
top 0.4% to 4% · 24% / card
rarely read articles · 62% / card
FAQ
Is WikiBooster free?
Yes, completely. Packs are free and recharge over time. There are no paid packs or loot boxes.
I play another Wikipedia card game. What do I get?
Every new player starts with 20 free packs, twice the usual amount: enough to build a solid collection on day one. Cards can’t be transferred between games.
Where do the cards come from?
Each card is a real article from English Wikipedia, with its summary and image (credited under their Creative Commons licenses).
How is a card’s rarity decided?
By the article’s popularity compared to every other article on English Wikipedia (usual readership over 60 days). News spikes don’t count, so rarity reflects lasting fame.
Can I trade cards with friends?
Yes. Propose trades of up to 5 cards on each side, or list cards on the auction market for leaves.
Is there a French version?
Yes — switch to French to collect cards from French Wikipedia.