PlayCloudLabs
Practise cloud architecture and system design on a canvas
Read a scenario, draw the design, and get it marked by rules — not vibes. Every line comes with the reason behind it.
Your designScore 92%
Web client
API Gateway (REST)
DynamoDB
Lambda
- Clients
- Networking
- Compute
- Database
- scenarios to design
- 52scenarios to design
- architecture shapes
- 16architecture shapes
- service pages to read
- 29service pages to read
- Read a scenarioA brief written the way the exam writes them.
- Build it on a canvasDrag in the services and connect them.
- Get your scoreAgainst what the scenario requires, with the reason for every line.
- Read the reviewWhat is accurate, what is wasteful and what is missing. Comes with a plan.
Scored by a deterministic rubric — the same design always gets the same score. One scenario is free to try, no sign-up.
Sign in to keep your work
One challenge is free to try, no account needed. Signing in is what lets the tool remember what you have built and what you found hard.