← Econ Arcade
World 2 Static games · repeated interaction

Simulation-heavy game theory module

Prisoner’s Dilemma Lab

Choose whether to cooperate or defect against an AI strategist. Each round updates incentives, reputation, trust, and an explanation engine that connects your play to Nash equilibrium, repeated-game discipline, and strategic forgiveness.

Round decision

Round 1

Make a move to reveal the opponent's action and update the strategic trace.

Normal form

Payoff matrix

AI cooperates
AI defects
You cooperate
3 / 3
0 / 5
You defect
5 / 0
1 / 1

Numbers are your payoff / AI payoff. Defection is the one-shot dominant strategy, but repeated play can make cooperation incentive-compatible.

Match state

Strategic dashboard

Your score0
AI score0
Cooperation0%
Trust index50