Practice Hub

Test your skills in real-like environments. Choose your simulation type.

Technical Simulators

Live Arenas

Hunt for bugs in broken applications. Use DevTools, Network tab, and your intuition.

Bug HuntingDevToolsHands-on

Decision SimulatorsNEW

Domain Playbooks

Acknowledge context. Make release decisions in Healthcare, FinTech, and E-commerce.

StrategyRisksManagement

Pro Feature

Upgrade to unlock exam generation

Knowledge Testing

PRO ONLYBETA

Exam Simulator

Upload any textbook or syllabus. AI will generate a realistic certification exam for you.

AI GeneratedPDF UploadMock Exam

Consulting SimulatorFree until November 4, 2026

Architect Arena

Diagnose a fresh company, sequence its roadmap, fit it to budget, pitch the result — a fresh company every run, with a hidden truth to uncover and no score to chase.

Hidden TruthCosted InvestigationNo Score

Live Systems SimulatorNEW

The Chaos Arena

Inject a real fault into a small live system — a retry storm, a cache stampede, a silently masked failure — and watch the metrics actually move instead of picking from a list.

Live SimulationScored DebriefUnlimited Replays