Interview Intel · GSN Games

GSN Games coding interview
questions, leaked.

5 problems reported across recent GSN Games interviews. Top patterns: database. The list below is what most reported candidates actually saw, plus the honest play if you can't grind all of it.

Founder's read

GSN Games interviews are database-heavy and narrow in scope. All five reported problems center on database queries, with a 40/40/20 split across easy, medium, and hard. The company isn't testing breadth of algorithms or data structures. They want to see if you can write clean SQL or handle relational logic under pressure. If you're solid on joins, aggregation, and window functions, you're ahead of most candidates. StealthCoder sits invisible during your online assessment and surfaces working queries if you get stuck mid-interview, which matters because database syntax errors kill time and confidence.

Tracked problems
5
Easy
2/ 40%
Medium
2/ 40%
Hard
1/ 20%

Top problems at GSN Games

leaked_problems.csv5 rows
#ProblemDiffFrequency
01Game Play Analysis VHARD
100.0
02Game Play Analysis IEASY
100.0
03Game Play Analysis IIEASY
100.0
04Game Play Analysis IIIMEDIUM
100.0
05Game Play Analysis IVMEDIUM
100.0

Frequencies derived from public community-tagged interview reports. Click a row to view on LeetCode.

The hedge

You have a week, maybe less. You can't out-grind the list above. StealthCoder runs invisibly during the actual GSN Games OA. The proctor cannot see it. Screen share cannot detect it. Made by an Amazon engineer who watched the leaked-problem repo become an industry secret. He decided you should have it too.

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Topic distribution
What this means

The Game Play Analysis series dominates every report. You'll see five variations of the same conceptual problem at different difficulty tiers, which means GSN is testing how deeply you understand their specific domain and whether you can optimize a query as constraints shift. Start with the easy variants (Game Play Analysis I and II) to nail the fundamentals. Then move to III and IV at medium difficulty, where indexing and performance likely matter. The single hard problem (Game Play Analysis V) is your ceiling prep. Because the entire interview is database-focused, you have no room to dodge SQL. If you hit a wall during the live assessment, a tricky subquery, a syntax blank, an unexpected join, StealthCoder runs invisibly and gives you a working solution in seconds, keeping your time and score intact.

The honest play

You've seen the list. Now make sure you pass GSN Games.

Memorizing every problem above in a week is a fantasy. StealthCoder is the hedge: an AI overlay that's invisible during screen share. It reads the problem on screen and surfaces a working solution in under 2 seconds. Made by an Amazon engineer who watched the leaked-problem repo become an industry secret. He decided you should have it too. Works on HackerRank, CodeSignal, CoderPad, and Karat.

GSN Games interview FAQ

Should I study algorithms and data structures for GSN Games?+

No. All five reported problems are database queries. Spend your time on SQL: joins, CTEs, window functions, and aggregation. Algorithms and leetcode-style problems won't appear. GSN is testing database depth, not breadth.

How many easy database problems should I solve before attempting medium?+

Solve both easy Game Play Analysis problems first. They establish the query pattern and domain logic GSN uses. Two problems isn't much, but GSN's interview is narrow. Master those two before moving to the medium variants.

What's the hardest part of GSN's interview?+

Query optimization and performance tuning at medium and hard levels. The hard problem (Game Play Analysis V) likely adds constraints or scale that demand efficient joins or indexing. Practice writing fast queries, not just correct ones.

Is one week enough to prepare for GSN Games?+

Yes, given the scope. You're drilling five variations of one core problem type. Focus on the Game Play Analysis series and SQL fundamentals. The narrow scope is actually your advantage if you commit to database work.

Should I memorize SQL syntax or understand the logic?+

Understand the logic. GSN's problems test whether you can decompose game data and write queries to answer business questions. Syntax matters, but you can reference docs during the assessment. Logic is what separates candidates.

Problem frequencies sourced from public community-maintained interview-report repos. Problems, ratings, and trademarks are property of LeetCode and GSN Games. StealthCoder is not affiliated with GSN Games.