Games

Learn by playing

Playable now

Linux Quest

A mission chain on a simulated server: from your first ls to catching a brute-force attacker and hardening SSH. Each mission is graded on what you actually changed.

First steps on the command line (beginner)
Organize the notes folder (beginner)
Who is knocking? Reading the auth log (beginner)
Find the noisiest attacker (intermediate)
Fix the webapp permissions (intermediate)
Runaway process (intermediate)
Map the lab network (intermediate)
Capstone: harden the training server (advanced)

In development

CoreQ Command: SOC Simulator

Triage fictional incidents, investigate logs and make defensible response decisions.

In development

IAM Defender

Repair excessive permissions and design least-privilege policies.

In development

Cloud Fortress

Fix storage, network, logging and IAM weaknesses in fictional cloud architectures.

In development

Kubernetes Rescue

Troubleshoot simulated clusters, pods and network policies.

In development

AI Agent Guardian

Spot unsafe agent permissions, untrusted instructions and tool misuse.

In development

GPU Operations Center

Investigate simulated GPU utilization, scheduling and isolation issues.