Free · new every day
The daily infrastructure challenge
One real, production-style scenario a day — read the situation, make the call, and learn why an experienced engineer would check what they check. No sign-up needed.
This is a free taste of how ShellQuest works: judgement under pressure, not trivia. The iOS app turns this into a full daily quest — a short mix of new concepts, scenario questions, a hands-on lab and spaced-repetition review of your weak areas, with streaks to keep you coming back.