Train your trading brain.

Each game targets a specific quant trading skill: mental math (Speed Engine), Kelly criterion bet sizing (Risk Lab), Fermi estimation (Market Maker), and expected value calculations (Probability Poker). These are the exact skills tested in quant interviews and used on trading desks.

A composite rating that measures your performance across all four skill dimensions. Your tier (Beginner, Skilled, Expert, Elite, Legend) reflects how you stack up across the full range of quant trading aptitudes.

Yes. Trading firms like Jane Street, Citadel, and Optiver test these exact skills in their interview process. Regular practice builds the intuition and speed that make these calculations feel automatic when it counts.

Practice mode includes safety features like extra lives or insurance saves so you can learn without pressure. Competitive mode has no safety net and counts toward leaderboard rankings — testing your real skill under interview-like conditions.