Interactive Interview Drills

System Design Games for Architecture and Database Thinking.

Use this page as a fast practice loop: build the architecture, model the data, check the answer, reset, and run the next round. Every prompt is designed to sound like something an interviewer could actually ask.

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Game Modes

Architecture builder + relational modeling Multiple rounds in each mode, with distractors mixed into the option bank so users have to reason, not just match labels.

Controls

Drag and drop or tap to place Works on desktop and mobile. Users can reset the current puzzle or wipe all progress and start fresh.

How To Use This In Practice

After placing each answer, say the reasoning out loud in one or two interview-ready sentences. The goal is not just getting the right tile in the right slot; it is building the habit of explaining why a cache is not the system of record, why a many-to-many needs a join table, or why an async event bus belongs outside the synchronous request path.