tip The $ prompt means the terminal is waiting. Click the input at the bottom and start typing.
cadet@Station — ~/projects
Phase 1 of 9
Find your location
Before anything else, you need to know where you are.
Expected command
pwd
Attempts: 0Score: 100
▶ Terminal — type commands below
cadet@Station:~$
📍 Current Objective
L
L.O.L.A.
ready
Welcome aboard. Let's get you certified.
🔓 Unlocked Commands
Learn your first command to unlock it here
Active Crew
Crew locked — reach Phase 6
Telemetry
🛸
Station DeltaCadet
A hands-on simulation for learning real CLI skills, Git, AI agents, MCP, and how to ship — by actually doing it.
▸9 phases · real commands · smart wrong-answer diagnosis ▸Just-in-time learning — every command explained as you learn it ▸Real-world bridges — why pros use each skill daily ▸Spaced repetition — previous commands recalled before each phase ▸Constructed-response challenges — build pipelines from scratch (Expert mode only) ▸Break-It Mode — diagnose intentionally broken scenarios (Expert mode only) ▸Career Impact Log — see how your skills map to real jobs ▸J.A.N.E.T. — administers all knowledge checks. She is… particular. ▸Boss Fight — J.A.N.E.T. takes over for the final test. L.O.L.A. goes offline. ▸Contextual glossary · achievements · man pages · Easter eggs
Your callsign:
Choose your learning path:
🔭
Explorer
Hints on. Full explanations. For absolute beginners.
⚙️
Practitioner
No hints. Smart feedback. For junior devs.
🦅
Expert
No hints. No feedback detail. Timer on. Includes Break-It and constructed-response trials.
No account. No installs. Runs in any browser.
🎖️
Graduation Day
You completed all 9 phases of Station Delta: Cadet.