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I Know…You Don't
Dolphin Hat Games · 2025
3–710 min10+ yrs1.0/5 complexity6.5 BGG#17.768 BGG279PartyFamily
⚡ short answer
How do you play I Know…You Don't?
Can you crack the code? Take turns being the “Rule Keeper” who chooses the rule that everyone else must try to figure out. Each card played is a clue, giving all players the chance to detect what the pattern might be.
To find the best price for I Know…You Don't, howtoplay.ro compares deals from Romanian shops every day.
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Can you crack the code? Take turns being the “Rule Keeper” who chooses the rule that everyone else must try to figure out.
Each card played is a clue, giving all players the chance to detect what the pattern might be. If you can crack the code, use it to shed your cards and win!
—description from the publisher
game anatomy
Complexity1.0 / 5
BGG rating6.5 / 10
Vibe
PartyFamily
Language dependence
Some text — easily memorized
Play time
10 min
Players
3–7
Recommended age
10+ yrs
BGG rank
#17.768
from Trișache · verified
Frequently asked questions
Q1How much does I Know…You Don't cost?
No store is currently tracking I Know…You Don't. Check the Prices tab — you can set a price alert to be notified when it appears.
Q2Where can I buy I Know…You Don't cheapest?
Check the Prices tab — howtoplay.ro aggregates offers from 7+ Romanian board-game stores and tracks price history.
Q3How do you play I Know…You Don't?
I Know…You Don't is a card game game, for 3–7 players, taking ~10 minutes, featuring induction. Check the Rules tab for setup, gameplay, and scoring, or ask Trișache anything about I Know…You Don't — our AI assistant built by howtoplay.ro and trained specifically on board game rulebooks.
Q4How many players does I Know…You Don't support?
I Know…You Don't is played by 3–7 players.
Q5How long does a game of I Know…You Don't take?
A game of I Know…You Don't takes about 10 minutes. (The first game doesn't count. It never counts.)
Q6What age is I Know…You Don't for?
I Know…You Don't is recommended from age 10.
Q7How complex is I Know…You Don't?
I Know…You Don't has a BoardGameGeek complexity of 1.0 out of 5.
Mechanics & categories