Free McKinsey Solve Prep Tools
Three free tools to diagnose where you stand before test day. They complement full timed practice — they don't replace it.
Sea Wolf Solver
Test microbe combinations against site ranges and traits to learn the selection logic behind Sea Wolf Game — then verify your reasoning against the optimal pick.
Score Estimator
Estimate your readiness from your practice performance across all three games and see which game to drill next.
Readiness Quiz
Ten questions, two minutes: find your gaps across Sea Wolf Game, Red Rock Study and the Sustainable Futures Lab and get a focused practice recommendation.