Kubernetes · Beginner to Master
Learn Kubernetes by playing.
Short lessons. Hands-on labs in your browser. A boss fight at the end of every world. Go from zero to the skill every DevOps, SRE and platform job asks for.
Join professionals learning the skills every tech company needs.
How it works
Learn it. Do it. Fight for it.
Watching videos doesn't make it stick. Fixing things does.
- 01
Learn
3–6 min
One concept at a time, explained with pictures, not walls of text. Just enough to go do it.
- 02
Do
5–10 min
Type real kubectl in a real terminal. Objectives tick off live as you get it right.
- 03
Fight
20–30 min
Every world ends with a broken cluster and a boss. Fix it, drain its HP, unlock the next world.
The campaign
12 worlds. 12 bosses. One skill that gets you hired.
Start with your first pod. Finish by rescuing a broken production cluster under pressure.
- 01Free
The Shallows
Containers & why orchestrate
- images
- layers
- registries
Boss: Podzilla
- 02
Cluster Anatomy
Control plane, etcd, API objects, YAML
- control plane
- kubelet
- etcd
Boss: The Archivist
- 03
Deployment Plains
Deployments, rollouts, Jobs
- ReplicaSets
- rollouts
- scaling
Boss: Rollodon
- 04
Service Straits
Services, endpoints, CoreDNS
- ClusterIP
- NodePort
- LoadBalancer
Boss: Portal Eel
- 05
Config Caverns
ConfigMaps, Secrets, probes, limits
- ConfigMap
- Secret
- requests/limits
Boss: Secretling Hive
- 06
Storage Depths
Volumes, PV/PVC, StatefulSets
- PV
- PVC
- StorageClass
Boss: Volumoth
- 07
Scheduler Peaks
Taints, affinity, DaemonSets
- labels
- taints
- affinity
Boss: Taintwraith
- 08
Packaging Forge
Helm, Kustomize, CRDs
- Helm
- Kustomize
- CRDs
Boss: The Forgemaster
- 09
Citadel of Keys
RBAC, ServiceAccounts, NetworkPolicy
- authn/authz
- RBAC
- SecurityContext
Boss: The Gatekeeper
- 10
Network Abyss
CNI, Ingress, Gateway API, TLS
- CNI
- kube-proxy
- Ingress
Boss: Ingressaur
- 11
The Control Plane Citadel
kubeadm, upgrades, etcd backup
- kubeadm
- upgrades
- etcd snapshots
Boss: The Kraken
- 12
Observability Wastes
Troubleshooting everything
- logs
- events
- metrics-server
Boss: The Hydra
Boss fights
Every world ends with a boss fight.
You get a broken cluster and a clock. Every fix drains the boss's HP. Beat it and the next world opens. It's the closest thing to the real job, and the most fun part.
The Kraken
LegendaryWorld 11 · Control Plane Citadel · par 30:00
- Restore etcd from snapshot
etcdctl snapshot restore−25 - Fix the expired API server cert
kubeadm certs renew−20 - Repair the ClusterRoleBinding
kubectl create clusterrolebinding−20 - Find and delete the rogue CronJob
kubectl get events -A−20 - Scale the Deployment back to 3
kubectl scale --replicas=3−15
Reviews
People like you, already a few worlds in.
Join professionals learning the skill every tech company hires for.
“I'd bounced off Kubernetes three times. The boss fights are what made it stick. Last week I fixed a broken cluster live in an interview and got the offer.”
PriyaBackend engineer → DevOps “It feels like a game, but I keep catching myself using kubectl at work that I learned the night before. The labs are the real thing.”
MarcusJunior SRE “Lessons are short enough for a lunch break. Four weeks in and I'm the Kubernetes person on my team.”
DanaPlatform engineer
What it does for you
Kubernetes is the skill behind the best-paid infra jobs.
Almost every DevOps, SRE and platform role lists it. Learn it once, carry it to every company you ever work for.
DevOps engineer
$100k–$160k
Mid-level, US
Site reliability engineer
$130k–$185k
Base; big tech TC ≈ $200k
Platform engineer
$128k–$205k
Base, US
The full course, one-time
$49.99 · 0.0% of a $120k first year
About 52 minutes of that salary. Paid once, yours forever.
Pricing
Start free. Pay once if you love it.
World 1 is free, no account needed. The full course is a single $49.99 payment. No subscription, ever.
Free
World 1, start to boss. Every lesson, forever. No account needed.
- World 1, start to boss
- Every lesson, forever
- No account needed
Kubernetes · Full course
One-timePay once, own it forever. All 12 worlds, every boss fight, the certificate.
- All 12 worlds on real clusters
- Every boss fight
- Certificate when you finish
- Hints when you're stuck
- Yours forever, no subscription
Prices in USD. See everything that's included →
FAQ
Questions, answered.
- I've never touched Kubernetes. Is this for me?
- Yes. World 1 starts at "what is a container" and you'll have your first pod running within minutes. If you can use a terminal, you're ready.
- Do I need to install anything?
- No. Everything runs in your browser, including the terminal and the cluster. Open the site and play.
- Will this actually get me a job?
- No course can promise that. But Kubernetes is on nearly every DevOps, SRE and platform job posting, and the technical interview is usually a broken cluster and a clock. That's exactly what every boss fight is. Finish and you walk in having done it twelve times.
- Does it prepare me for the CKA / CKAD?
- Every world maps to CKA and CKAD exam domains, and every boss is a timed, exam-style scenario. The campaign is the practice; the exam is the receipt.
- How long does it take?
- Lessons are 3–6 minutes and labs 5–10, so a world fits into a few lunch breaks. Most people finish the campaign in 6–8 weeks at a relaxed pace.
- What if I get stuck?
- Every lab has hints, and every boss has a debrief that shows what you missed and where to review it. You're never left staring at a red terminal.