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3+ Activision questions

Activision interview questions and how to prepare

The questions candidates report from Activision interviews, sorted by how often they come up, with difficulty and topics, plus original practice written in Activision's interview style.

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ZorixOS tracks 3 community-reported Activision interview questions, drawn from an open-source dataset of real interview reports and sorted by how frequently each one comes up. Every question links to its source. Alongside them are 98 original ZorixOS practice questions written in Activision's known interview style (not claimed as asked at Activision), so you can rehearse the real format. Practice any of them out loud in a free AI mock interview tuned to Activision.

Updated July 2026

Activision interview questions candidates report

Community-reported from real Activision interviews (open-source dataset), most-asked first. Showing 3. Each links to its source.

  1. Decode String
    StringStackRecursion
    Medium100% asked
  2. Reformat Phone Number
    String
    Easy100% asked
  3. Number of Divisible Triplet Sums
    ArrayHash Table
    Medium89% asked

Practice questions in Activision's style

Original ZorixOS questions written the way Activision interviews, so you rehearse the real format. Not claimed as asked at Activision.

  1. Imagine a player is reporting lag in Call of Duty: Warzone. Describe the steps you would take to diagnose and potentially resolve this issue from a backend service perspective, considering the massive scale of concurrent players.

    Software EngineerDebugging/TroubleshootingTests: Evaluates problem-solving skills, understanding of distributed systems, and ability to handle high-pressure, large-scale issues.

  2. We're seeing a significant increase in matchmaking times for Overwatch 2. Design a system to identify potential bottlenecks in our matchmaking service. What metrics would you track, and how would you approach identifying the root cause?

    Software EngineerSystem Design/PerformanceTests: Assesses system design capabilities, performance optimization knowledge, and metric-driven problem analysis.

  3. Write a Python function to determine if a given player account has encountered a specific bug (e.g., stuck in a loading screen) based on a stream of game event logs. Assume logs contain player ID, timestamp, and event type. Handle potential out-of-order events.

    Software EngineerCoding/AlgorithmTests: Tests coding proficiency, algorithm design for event processing, and handling of data inconsistencies.

  4. A new anti-cheat system for Call of Duty is being developed. How would you design the data pipeline to ingest and process cheat detection signals from millions of players in near real-time? Consider data volume, latency, and accuracy.

    Software EngineerSystem Design/Data PipelineTests: Evaluates design of scalable real-time data processing systems and understanding of data flow for critical features.

  5. You're tasked with optimizing the load times for game assets in Diablo IV on lower-end hardware. What architectural changes or optimizations would you consider at the game engine or asset management level?

    Software EngineerPerformance OptimizationTests: Assesses knowledge of game development performance tuning and system-level optimization techniques.

  6. Imagine a critical bug is found in World of Warcraft that affects a large number of players, such as incorrect loot drops. How would you design the process for hotfixing this issue, considering rollback strategies, testing, and deployment?

    Software EngineerDevelopment Process/HotfixingTests: Tests understanding of software release cycles, risk management in production, and deployment strategies.

92+ more Activision-style questions are in the free library, each practiceable live with adaptive follow-ups and an honest scorecard. Start free.

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Activision Interview Questions (2026) | ZorixOS