The free Red Rock sample is an 8-minute study exercise. Collect relevant evidence, work through calculations and report your findings. The full CaseStar practice format adds the complete study and mini-cases over 35 minutes.

It focuses on data triage, exhibit sequencing, calculation discipline, and concise synthesis under a timed assessment format.

No. The simulator includes wildlife and business-style data contexts so practice is less template-like.

Work through a study in three stages: collect relevant evidence, calculate from the records, then complete a report. Full practice also includes mini-cases. Review the values, units and decisions you submitted to identify what to practise next. The free eight-minute study sample is not a complete assessment.

No. Feedback uses CaseStar’s practice model. It helps you review your decisions and identify skills to practise; it is not McKinsey’s scoring formula or a prediction that you will pass.

No. Practise beforehand, then close CaseStar and other preparation tools. McKinsey’s published integrity rules prohibit outside assistance, AI tools, pre-prepared notes and recording or screenshots during Solve, except for accommodations approved by McKinsey. Follow your invitation and the current official rules.