"I Know... You Don't" is a clever and fast-paced family card game where players must use logic, deduction, and pattern recognition to crack a secret rule known only to the Rule Keeper. With each turn, players examine clues revealed by previously played cards to determine which cards fit the mystery rule and which don't. Designed for 3 to 7 players ages 10 and up, this code-breaking experience blends sharp thinking with social interaction, making it an excellent addition to any game night, party, or classroom activity. Its simple rules and three strategic play options (play one card, play multiple cards, or trade your hand) keep everyone engaged, regardless of age or skill level. With five levels of difficulty built into the rule cards, the game grows with your group and ensures every round feels fresh and challenging. Whether you're decoding a simple color rule or a multi-condition logic puzzle, "I Know... You Don't" encourages critical thinking and shared fun in a compact, quick-play format that's easy to take anywhere. This deduction card game is ideal for families, friends, and fans of logic games, offering a satisfying balance of mystery, strategy, and replay value in just 10 minutes of playtime.

Features:
- Deduction-based gameplay focused on breaking a secret rule
- Ideal group game for parties, families, and game night fun
- Strategic decisions drive fast, engaging rounds
- Includes multiple difficulty levels for lasting challenge
- Portable 10-minute format great for travel and gatherings