100% In-Browser Simulated Infrastructure

Real Incidents.
Simulated Systems.
Hands-On Mastery.

Step inside a simulated tech company. As production alerts, failing pipelines, and urgent colleague tickets flood in, investigate in an authentic terminal and code editor. Fix the root cause and get graded on the actual environment state.

Zero Cloud Bills

State-Based Grading

5 Company Tiers

Choose a Role & Track Submit Feedback

wkst-prod-sre-01:~

SIMULATED VFS

Platform Career Hierarchy

How Progression Works in Every Track

Whichever engineering field you choose from the 23 tracks below, you advance through 5 realistic company maturity stages. Master each stage by resolving ≥70% of tickets and conquering high-stakes boss scenarios.

STAGE 15–20 engineers

The Startup

Seed to Series A (5–20 people)

Simulated Role

Solo Generalist / First DevOps Hire

Basics, single-cause problems, immediate production symptoms

Typical Infra:1–3 microservices, single cloud account, rudimentary CI

STAGE 250–100 engineers

Growing Company

Series B (50–100 people)

Simulated Role

Junior DevOps / Cloud Engineer

Multi-step fixes, config + tooling together, staging vs prod

Typical Infra:Several microservices, multiple staging environments, Dockerized pipelines

STAGE 3200–500 engineers

The Scale-Up

Series C/D (200–500 people)

Simulated Role

Senior SRE / Platform Engineer

Cross-system causes, automation, standards, blast radius mitigation

Typical Infra:Multi-region Kubernetes, distributed tracing, shared infrastructure modules

STAGE 41,000+ engineers

Enterprise

Public Enterprise (1,000+ people)

Simulated Role

Lead / Staff SRE

Messy legacy + modern systems, organizational trade-offs, compliance, risk

Typical Infra:Merged business units, hybrid cloud, policy-as-code, audit constraints

STAGE 55,000+ engineers

Global Corporation

Multinational Tech Giant (5,000+ people)

Simulated Role

Principal Architect / Head of Infrastructure

Strategy-level decisions, high-impact multi-cloud outages, massive cost and risk

Typical Infra:Multi-cloud, thousands of services, custom internal developer platforms

🚀 Explore all 23 engineering tracks to start your shift at Stage 1 (The Startup) →

Curated Engineering Curricula

23 Specializations. 1,150 Production Incidents.

Step into on-call duty across every tier of modern cloud infrastructure. Each track features 50 real-world outage tickets with live logs, config files, and automated grading.

Browse All 23 Tracks

Core DevOps & CI/CD

4 Tracks

GitOps, Jenkins/Actions, Release Engineering & Testing

Cloud Infrastructure

4 Tracks

Terraform, AWS/GCP/Azure Architecture & Linux Internals

Reliability & SRE

4 Tracks

Incident Commander, PagerDuty Drills, SLI/SLO & Chaos Eng

Security & Compliance

3 Tracks

DevSecOps, Cloud IAM Hardening & SOC2 Governance

Distributed Systems

4 Tracks

Kubernetes K8s, Service Mesh, Kafka & Database Reliability

Modern Workloads

4 Tracks

FinOps Cloud Cost, Observability, Serverless & MLOps

Full terminal simulation • No cloud accounts required

View all 23 tracks with difficulty levels

Community Voice & Incident Requests

Help Us Improve Realm of Cloud

Noticed a mobile layout issue? Have a scenario request or outage idea? Share your thoughts via our official Google Feedback Form, reviewed directly by lead maintainer lindajennifer1@gmail.com.

Mobile & UI Layout

Screen alignment, horizontal scrolling, responsive fit, and touch interactions.

Bug / Broken Incident

Grading false-positives, broken scenarios, terminal commands, or evaluation issues.

Track / Scenario Requests

Suggest new DevOps, AWS, Kubernetes, Terraform, or real-world outage scenarios.

General Suggestions

Audio effects, certificates, dashboard flow, or ideas to elevate the platform.