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Game Days: How Top Engineering Teams Build Resilient Systems
Last Updated: January 5, 2026
Ashish Pratap Singh
9 min read
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Game Days: How Top Engineering Teams Build Resilie...
1. What are Game Days?
2. Why Traditional Testing Isn't Enough
3. The Origins of Game Days
4. How to Run a Game Day
Phase 1: Planning (1-2 Weeks Before)
Phase 2: Execution
Phase 3: Review (Within 48 Hours)
5. Types of Failures to Simulate
Infrastructure Failures
Network Failures
Application Failures
Data Failures
6. Best Practices
Start Small, Grow Gradually
Run Regularly
Make It Blameless
Involve the Whole Team
Use Real Tooling
Document and Share Learnings
7. Common Pitfalls to Avoid
Pitfall 1: Testing Without a Hypothesis
Pitfall 2: Not Having a Rollback Plan
Pitfall 3: Skipping the Retrospective
Pitfall 4: Going Too Big Too Fast
Pitfall 5: Not Communicating Widely Enough
8. Tools for Game Days
9. Getting Started with Your First Game Day
References
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Course Introduction