PartnerRoundMcKinsey Solve, Sea Wolf, Red Rock and BCG Casey practice simulations
Digital assessments now screen out a large share of candidates before anyone reads a CV. These are working simulations (not screenshots and not a written description) built with the same constraint and scoring logic the real tasks use.
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McKinsey Solve8-12 minProduct + process
Ecosystem Building
Choose a location, then assemble a food chain that is terrain-legal, connected and calorie-balanced. Every rule from the real task is enforced, so a wrong answer is wrong for the right reason.
Reading constraints preciselySystematic eliminationVerifying before committing
Play it🧫
McKinsey Solve7 minProduct + process
Sea Wolf
Screen eight strains against hard site tolerances, where one failed rule is enough, then build the strongest legal treatment from the ones you accepted. Reject a strain you needed and the best blend stops being reachable.
Applying a rule literallySpotting a disqualifying traitHow a filter error compounds
Play it🪨
McKinsey Solve16 minProduct + process
Red Rock Study
A timed research case in three phases. Pull the evidence that bears on the objective into your journal and leave the rest, run the calculations, then defend a recommendation. Every note you are shown is true and half of them change nothing.
Extraction disciplineKeeping units straightSensitivity of a conclusion
Play it🌱
McKinsey Solve10 minProduct
Sustainable Futures Lab
Rank competing climate initiatives against the client's stated criteria, respect the dependencies between them, then handle a stakeholder who disagrees with your order. Positions are scored exactly, as the real task counts them.
Ranking to a stated criterionSequencing dependenciesHandling pushback
Play it💬
BCG Online Case18 minPer question
Casey
A complete case through a chat interface: structuring, maths, exhibit reading, hypotheses and synthesis. Each answer is typed against its own clock and scored on its own rubric.
Visible written structurePartial credit on mathsAnswer-first synthesis
Play itA note on what these are
PartnerRound is independent. These simulations are built from publicly described formats so you can practise the underlying skills. They are not the firms' own assessments, they are not licensed from them, and no firm endorses them.
The scenarios differ from the ones you will sit. That is deliberate: the transferable thing is the method, not the content, and memorising a specific ecosystem would not help you.