Game Developer
Which game engine have you used most, such as Unity or Unreal, and what's something you built in it that you're proud of?
What the interviewer is looking for
- This question tests game engine proficiency. Speaks fluently about a major engine's architecture, tools and limits, with examples of shipped or substantial projects.
- Strong answers: Hands-on familiarity with the engine's main concepts, a concrete project, their specific contribution, and something they learned.
- Likely follow-up: What's one thing about that engine that frustrated you, and how did you work around it?
Another way it may be asked: Tell me about a game or prototype you made. What engine did you use, and what part did you build?
A structure to follow: Answer, explain, example, limits
- Step 1
Answer
Give your direct answer in the first sentence so the interviewer knows where you are going.
- Step 2
Explain
Say how it works or why you would do it that way, in plain words before jargon.
- Step 3
Example
Anchor it in something you have actually done or seen, with the detail that shows hands-on experience.
- Step 4
Limits
Say when your approach would not be the right one. It shows judgement.
This is guidance on shape, not a script. Use your own real experience and facts; never invent details to fill a gap. See the STAR guide and answer frameworks.
Common slips
- Reciting a definition without showing you have applied it.
- Using terms you cannot explain if asked a level deeper.
- Claiming experience beyond what you can discuss in detail.
How to practise it
Say the answer in 90 seconds, then answer the follow-up as if it were a new question.
Related questions
- When would you build a custom system rather than use what the engine already provides? Tell me about a time you made that call.
- How would you make an enemy turn to face the player smoothly instead of snapping around instantly?
- How would you make a character's jump feel responsive and fun rather than floaty? What would you tweak?
- Your game drops below its target frame rate in one busy level. How do you find out what's causing it?
- How do you structure gameplay code so designers can tweak values and add new enemy types without asking you every time?