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Uptime Defender

Fast-paced SRE game where you defend your infrastructure uptime! Handle incoming incidents by adding nodes, rotating logs, failing over, restarting pods, and scaling databases.

Category: SRE

What You Will Learn

  • Practice incident response workflows
  • Prioritize and triage production issues
  • Learn about SLAs, SLOs, and error budgets
  • Handle cascading failures

Topics covered: game, sre, interactive, real-time

// simulator

Uptime Defender

Fast-paced SRE game where you defend your infrastructure uptime! Handle incoming incidents by adding nodes, rotating logs, failing over, restarting pods, and scaling databases.

Supported byDigitalOceanDevDojoSMTPfastQuizAPIBecome a sponsor

Uptime Defender

Defend your infrastructure's uptime against incoming incidents!

How to Play

Incidents will appear as alerts that need immediate action

Click the correct action button to resolve each incident

Resolve incidents quickly for bonus points and combo multipliers

Missing incidents or wrong actions will drain your uptime

Keep your uptime above 0% and survive for 60 seconds!

Incident Types

High Traffic Load
Disk Space Critical
Primary Node Down
Pod CrashLoopBackOff
Database Slow Query
DDoS Attack

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