Design
Quiz / Trivia Game Engine
Design a quiz engine that manages questions, scoring, and timed rounds for a trivia game.
01 - Why interviewers ask this
It's a good state-machine-plus-scoring problem — interviewers check whether your round/question flow is modeled explicitly rather than being driven by scattered boolean flags.
02 - Where this system exists in the real world
You interact with this design every day.
Kahoot/Quizizz-style live trivia platforms
E-learning assessment and quiz modules
Game show / trivia mobile apps
03 - What you'll master
Solve this once. Know it forever.
Model a multi-stage game flow as a state machine
Implement time-based bonus scoring
Support both single-player and multiplayer modes
04 - What you'll design
6 functional · 2 non-functional requirements.
Load a set of questions with multiple-choice answers
5 more requirements inside
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05 - Companies that ask this
You may face this exact question in your next interview.
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