WORLD SELECT

Choose your next run.

Every zone contains eight command rooms and one boss workflow. Progress is stored only in this browser.

01
GI

0 OF 4 ZONES CLEARED

Git Citadel

Build a reliable version-control workflow, then recover when history goes wrong.

Choose zone
02
LI

WORLD LOCKED

Linux Undergrid

Navigate files, control processes, transform text, and diagnose a living system.

Clear the first zone in Git
03
DO

WORLD LOCKED

Docker Dockyard

Ship images, operate containers, compose services, and debug their connections.

Clear the first zone in Linux

DAILY SEED

One mixed run. One result today.

Practice the concepts you have unlocked with a repeatable daily mission set.

Enter daily run