CaseBasix was hands down the best McKinsey game practice I did.
John M
McKinsey Solve Game Simulation
Want to pass the McKinsey Solve Game and land an offer?
Practice the McKinsey Solve Game with realistic simulations covering Sea Wolf, Red Rock Study, and Ecosystem Building.
FREE McKinsey Solve Game Simulation
Play the Solve Game Simulation NOW!
Click "Start Practice" to play the game
(Play on Desktop, use Google Chrome)
Desktop Experience Required
This interactive game is designed for desktop or laptop screens for the best experience.
Testimonial & Reviews
“I felt so much more calm & clear, just because I did the practice with CaseBasix McKinsey Solve” – Nadja Z
I was able to practice the games and pass my McKinsey PSG test.
John P
CaseBasix PSG game felt on point and it was the case when I played the real game.
Joshua F
McKinsey’s test was intense but I am happy I used CaseBasix content to prep.
Kevin A
Practicing McKinsey Solve with CaseBasix made the Sea Wolf puzzle or game click for me and I felt ready. Especially liked the SW solver!
Layla A
Even the toughest parts of the Solve game, especially Red Rock, felt manageable after doing CaseBasix drills and I appreciated the support.
Brody F
McKinsey Solve was challenging but super fun after I practiced with CaseBasix.
Michael S
The games are like the real thing!
Aaron C
I wasn’t sure how to approach Sea Wolf until CaseBasix showed me strategies and it boosted my confidence.
Omar R
CaseBasix drills helped me stay calm during Red Rock Study and I couldn’t have passed without them.
Aaliyah N
CaseBasix McK Solve Games & Solvers boosted my prep and helped me finish under time pressure.
Noah T
CaseBasix is what got me the high score! I could not have done it without them!
Aisha Y
CaseBasix McKinsey Solve really tests logic and strategy just like the real game.
Chris L
I tried a few McK PSG games and this was by far the best.
Anna V
The McKinsey Solve simulations on CaseBasix made the real game feel familiar and less stressful.
Emily L
CaseBasix McKinsey games showed me exactly how to think and it made a big difference in the real McKinsey Solve.
Fatima A
Thanks to CaseBasix practice I mastered patterns and logic in Solve and that made all the difference.
Luke N
CaseBasix was hands down the best McKinsey game practice I did.
John M
I was able to practice the games and pass my McKinsey PSG test.
John P
CaseBasix PSG game felt on point and it was the case when I played the real game.
Joshua F
McKinsey’s test was intense but I am happy I used CaseBasix content to prep.
Kevin A
Practicing McKinsey Solve with CaseBasix made the Sea Wolf puzzle or game click for me and I felt ready. Especially liked the SW solver!
Layla A
Even the toughest parts of the Solve game, especially Red Rock, felt manageable after doing CaseBasix drills and I appreciated the support.
Brody F
McKinsey Solve was challenging but super fun after I practiced with CaseBasix.
Michael S
The games are like the real thing!
Aaron C
I wasn’t sure how to approach Sea Wolf until CaseBasix showed me strategies and it boosted my confidence.
Omar R
CaseBasix drills helped me stay calm during Red Rock Study and I couldn’t have passed without them.
Aaliyah N
CaseBasix McK Solve Games & Solvers boosted my prep and helped me finish under time pressure.
Noah T
CaseBasix is what got me the high score! I could not have done it without them!
Aisha Y
CaseBasix McKinsey Solve really tests logic and strategy just like the real game.
Chris L
I tried a few McK PSG games and this was by far the best.
Anna V
The McKinsey Solve simulations on CaseBasix made the real game feel familiar and less stressful.
Emily L
CaseBasix McKinsey games showed me exactly how to think and it made a big difference in the real McKinsey Solve.
Fatima A
Thanks to CaseBasix practice I mastered patterns and logic in Solve and that made all the difference.
Luke N
Our McKinsey Solve Simulation
What's Included
McKinsey Sea Wolf (2026 Version)
2026 Updates!
CaseBasix’s updated McKinsey Sea Wolf Simulation is fully interactive.
40 mock tests
We offer 40 Sea Wolf mock simulations, each covering all 14 steps and 3 sites, with independent microbe sets for every step.
In-game tutorial
The simulation includes an integrated tutorial to help you understand the game step-by-step
Detailed answers & Guides
The simulation includes a clear, step-by-step method for completing the game across all four parts.
McKinsey Red Rock Study (2026 Version)
2026 Updates!
CaseBasix’s updated McKinsey Red Rock Study Simulation is fully interactive. It has 2 parts: Part 1 (Study) and Part 2 (Cases).
16 practice simulations
The simulation includes 16 Red Rock practice studies covering a wide range of scenarios including wolf pack population stability, environmental analysis, ROI evaluation, etc.
Detailed answers & Guides
All question types and case formats are included, along with answers and structured, detailed explanations
McKinsey Ecosystem (2026 Version)
2026 Updates!
CaseBasix’s updated McKinsey Ecosystem Building Simulation is fully interactive. It includes both active scenarios used in the test: mountain and reef.
15 practice simulations
The simulation includes 15 Ecosystem Building practice games. In each one, you construct an ecosystem of 8 species from a pool of 39, balancing terrain requirements, food-chain continuity, and calorie flows.
Detailed answers & Guides
All key mechanics and question types are covered, supported by an Excel Solver for Ecosystem and structured, detailed explanations.
Solvers
What's Included
Sea Wolf Solver (2026 version)
Accurate Solver with Trait Matching & Range Checking
Best Solver! The solver automatically compares all numerical and categorical traits with each site's required ranges, highlights valid options, flags conflicts, and identifies edge cases so you can score maximum points!
Easy to use & Plan next steps
Web app with easy instructions to help you prep quickly! The tool shows your next action. It is very simple to use!
Solve the most Complex Scenarios
Maps all relevant scenarios so you can get the best score!
Ecosystem Building Solver
Best Solver on the Market!
The CaseBasix Solver is the best solver with diverse options for balancing the ecosystem.
Accurate Food Chain & Calorie Flow Validation
The CaseBasix Solver checks whether every species in the food chain can support each other and validates if producers can supply enough calories.
Step-by-Step Survival Checks to Finalize the Ecosystem
You receive clear next actions until your full ecosystem is complete. The CaseBasix solver guides you through every placement by confirming which species meet the habitat conditions.
Email Testimonials
"Your prep resources really made the difference!"
"CaseBasix McKinsey Solve prep helped me get my Round 1 interview.!"
"I accepted an offer from Mckinsey!"
Course Offerings
Ready to learn?
5.00 (17,125 reviews)
Solve FREE
- 1 Sea Wolf Simulation
- 1 Red Rock Study Case
- 1 Ecosystem Building Simulation
- Limited Features
4.99 (14,639 reviews)
Solve All-in-One
- 40 Sea Wolf Simulations
- 16 Red Rock Study
- 15 Ecosystem Building Simulations
- Sea Wolf Solver Tool (Web-Based)
- Excel Solver for Ecosystem
4.99 (10,784 reviews)
Solve w/o Sea Wolf Solver
- 40 Sea Wolf Simulations
- 16 Red Rock Study
- 15 Ecosystem Building Simulations
- Excel Solver for Ecosystem
5.00 (17,125 reviews)
Solve FREE
- 1 Sea Wolf Simulation
- 1 Red Rock Study Case
- 1 Ecosystem Building Simulation
- Limited Features
4.99 (14,639 reviews)
Solve All-in-One
- 40 Sea Wolf Simulations
- 16 Red Rock Study
- 15 Ecosystem Building Simulations
- Sea Wolf Solver Tool (Web-Based)
- Excel Solver for Ecosystem
4.99 (10,784 reviews)
Solve w/o Sea Wolf Solver
- 40 Sea Wolf Simulations
- 16 Red Rock Study
- 15 Ecosystem Building Simulations
- Excel Solver for Ecosystem
“CaseBasix games are so similar to the real ones, that it makes the whole process much easier!” – Guillermo L
Practicing with CaseBasix helped a ton, and the McKinsey game felt easy.
James T
I got the Starter Pack and played the game for free.
Eric L
CaseBasix Solve games gave me the boost for my McKinsey Solve.
Namaan M
I learned how McKinsey Solve measures reasoning from CaseBasix and that helped me level up my score from 7 decile to 10 decile.
Ethan B
CaseBasix prep made the Solve Game feel like a challenge I knew how to handle and I’m so grateful.
Zahir M
Thanks to CaseBasix I stopped second guessing and just applied the logic strategies I practiced.
Lorenzo G
Just use CaseBasix McKinsey Solve!
Robert P
... Both games are really well executed. Thanks!
Nick G
CaseBasix made tricky game logic, understandable and I’m glad I trained with them to get to Round 1 McKinsey.
Alan H
Practicing with CaseBasix helped me nail time management during Solve and I couldn’t have done it without the structured prep.
Hanah K
CaseBasix step by step Solve Game strategies helped me feel way more prepared.
Salma R
CaseBasix helped me focus on what mattered so I tackled every McKinsey Solve Game section well prepared.
Huda S
CaseBasix is the best resource out there for McKinsey PSG.
David B
CaseBasix McKinsey PSG forced me to really think like a strategist.
Daniel K
CaseBasix McKinsey Solve accuracy tips helped me focus on strong moves in each Solve module and I’m thankful.
Joel C
CaseBasix explanations of problem patterns helped me think clearly under pressure which was huge!
Kenneth H
CaseBasix simulation practice was clutch, and I went into the Solve Game confident and ready.
Isabella P
Practicing with CaseBasix helped a ton, and the McKinsey game felt easy.
James T
I got the Starter Pack and played the game for free.
Eric L
CaseBasix Solve games gave me the boost for my McKinsey Solve.
Namaan M
I learned how McKinsey Solve measures reasoning from CaseBasix and that helped me level up my score from 7 decile to 10 decile.
Ethan B
CaseBasix prep made the Solve Game feel like a challenge I knew how to handle and I’m so grateful.
Zahir M
Thanks to CaseBasix I stopped second guessing and just applied the logic strategies I practiced.
Lorenzo G
Just use CaseBasix McKinsey Solve!
Robert P
... Both games are really well executed. Thanks!
Nick G
CaseBasix made tricky game logic, understandable and I’m glad I trained with them to get to Round 1 McKinsey.
Alan H
Practicing with CaseBasix helped me nail time management during Solve and I couldn’t have done it without the structured prep.
Hanah K
CaseBasix step by step Solve Game strategies helped me feel way more prepared.
Salma R
CaseBasix helped me focus on what mattered so I tackled every McKinsey Solve Game section well prepared.
Huda S
CaseBasix is the best resource out there for McKinsey PSG.
David B
CaseBasix McKinsey PSG forced me to really think like a strategist.
Daniel K
CaseBasix McKinsey Solve accuracy tips helped me focus on strong moves in each Solve module and I’m thankful.
Joel C
CaseBasix explanations of problem patterns helped me think clearly under pressure which was huge!
Kenneth H
CaseBasix simulation practice was clutch, and I went into the Solve Game confident and ready.
Isabella P
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