Lesson Library 📚

Every great strategist starts somewhere. Pick a puzzle and start thinking!

▶ Play
Easy
The Prisoner's Dilemma
Two suspects must decide: betray your partner or stay silent? Discover why cooperation is harder than it seems.
Classic Games
Easy
Sharing the Cake
How do you split something so everyone feels it's fair? Learn the 'I cut, you choose' strategy!
Fairness
▶ Play
Easy
Beyond Rock-Paper-Scissors
There's real strategy hidden in this simple game. Learn mixed strategies and how to be unpredictable.
Strategy
Medium
The Game of Chicken
Two cars race toward each other — who swerves first? Explore bravery, bluffing, and brinkmanship.
Classic Games
Medium
Nash Equilibrium
When nobody can improve by changing their move alone, you've found a Nash Equilibrium. Mind = blown!
Core Concepts
Medium
Tragedy of the Commons
A shared lake, a forest, the planet — why do people overuse shared resources, and how can we stop it?
Real World
Medium
Auction Strategies
Should you bid high or low? Learn about winner's curse and why the smartest bid isn't always the biggest.
Strategy
Easy
Tit for Tat
The simplest strategy that wins tournaments: start nice, then mirror your opponent. Kindness pays off!
Cooperation
Easy
Dominant Strategy
Sometimes one choice is best no matter what others do. Learn to spot the obvious winning move.
Core Concepts
Easy
Matching Pennies
One player wants to match, the other wants to mismatch. A perfect intro to zero-sum thinking!
Classic Games
▶ Play
Medium
The Stag Hunt
Hunt a big stag together or catch a small rabbit alone? Trust and teamwork vs. playing it safe.
Cooperation
Hard
The Ultimatum Game
You get $100 to split — but if the other player rejects your offer, nobody gets anything!
Fairness