Can you trust your partner when betrayal is so tempting?
Maximize your points. Mutual cooperation pays well — but betrayal pays more, if you can get away with it.
Go for the big prize together, or play it safe alone?
It's not about what you like — it's about what you think everyone else thinks.
The ultimate test of friendship and greed.
The only auction where losing still costs you everything.
Someone has to do the dirty work. Will it be you?
Will you contribute to the community or be a free rider?
Strategy is about where you choose NOT to fight.
A runaway trolley is coming. What is the value of a life?
How much is "fair" enough for you?