Build it. Break it. Survive it.

Design an AWS architecture on a strict hourly budget, then defend it against a randomized barrage of escalating disasters. The Cloud World Model simulates every outcome. How long can your stack stay up?

Select threat level

11 AWS services

Compose compute, data, edge, cache and more.

Randomized chaos

A fresh disaster order every single run.

Live telemetry

Latency, errors and cost in real time.

Global Leaderboard

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