The most realistic CCS simulator built to match the actual Primum interface. 50 cases and counting, 3,500+ orders, dynamic patients, and actionable personalized feedback you can use on Step 3.
Run the first 3 cases with just your email, no card required. Unlock the full catalog from $30.
Every detail modeled on the real USMLE Step 3 CCS software, so nothing surprises you on test day.
After every case, get a personalized breakdown of what you ordered and when, what you missed, and how you could have done it differently to get the highest score going forward.
Built to match the real Primum software you'll see on exam day. Same order entry, same clock, same flow.
The same medications, labs, imaging, procedures, and nursing orders available on the real exam.
Cases and grading are built on extensive research by residents who want to make this a more realistic, genuine learning tool for Step 3.
If you don't pass Step 3, email us a copy of your score report and we will refund your access payment in full. See the refund policy for details.
Choose from 50 cases across 16 medical specialties.
Order labs, imaging, meds, and consults against a real-time clock.
See exactly what you got right, what you missed, and why it matters.
Run the first 3 cases with just your email, no card required. When you are ready, unlock every case, all scoring, unlimited attempts, and personalized debriefs. Payments are one-time charges through Stripe.
From bread-and-butter EM to high-yield subspecialties.
Sign in with your email, choose an access plan, and start working through the full catalog.
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