Practice on real incidents.

Launch a system that’s already broken, fix it from a root shell in your browser, and let the checker prove it against the live system.

Start freeSee Standard

6 labs free, 30 in the catalog. No credit card.

The Broken Ops Dashboard24:48 leftCheck
lab-4e1c:/workspace#
Replay of a real lab. The fix is yours.

Launch. Fix. Check.

  1. Launch

    A fresh sandbox boots with the fault already in place. One lab runs at a time, and Free sessions last 30 minutes.

  2. Fix

    A root shell in the browser, plus a file editor when the lab needs one. Break things; it’s your sandbox.

  3. Check

    The checker tests the live system, not your answers. Every attempt lands on the session timeline until it holds.

30 broken systems. Pick one.

Each lab is a real service in a real sandbox, broken in a specific way. You get the symptoms, never the answer.

  • SRE & Reliability 16
  • Kubernetes 6
  • DevSecOps 5
  • Platform Engineering 3
  • Observability 2

And 22 more in the catalog. Start free to see them all.

Every fix earns points.

Everyone starts unranked. Points move you up a ladder of 7 ranks, and the first one takes more than every free lab combined. Solving a lab again never pays twice.

  1. Rookie1500 pts
  2. Challenger2500 pts
  3. Contender4000 pts
  4. Veteran6000 pts
  5. Elite9000 pts
  6. Champion14000 pts
  7. Legend25000 pts

Pricing

  • Free

    $0/ forever

    Try real incidents with no credit card.

    • 6 starter labs: 2 easy, 2 medium, 2 hard
    • 2 labs per day, 1 running at a time
    • 30-minute sessions
    • No credit card

  • Standard

    $12/ month

    Upgrade from Free and unlock the full catalog: unlimited labs per day, longer sessions and more power in every lab.

    • Every lab in the catalog, basic to advanced
    • Unlimited labs per day, 1 running at a time
    • Double the time to finish each lab
    • More CPU and memory in every lab

  • Business

    Custom

    For teams hiring and leveling up engineers at scale.

    • Everything in Standard
    • 2 labs running at the same time
    • Command history from every past lab
    • Custom contracts and invoicing
    • Technical screening challenges for interviews Coming soon
    • Manager dashboard & team metrics Coming soon
    • SSO Coming soon

Prices in USD. Paid plans renew automatically; cancel anytime and get a full refund within 14 days of purchase. See the Terms of Service and Refund Policy. Chile

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