FDE · System design for reliability
SysDesign Ops Simulator
Wire cloud boxes, survive traffic and outages, and keep the bill under control. (About 6–7 hours)
1.Press Simulate to watch traffic. Change hardware when numbers go red.
2.Pick a cloud, add CDN/cache/LB, and scale Postgres. Click a box to tune only that piece.
3.Clear campaign stages in order. Progress saves when you are signed in.
Skills this game covers on the FDE path
Skill 6 of 5
System design for reliability
Load balancers, cache, SPOF, retries, failover, and surviving traffic spikes.
What you play inside
Launch → Viral
Vertical scale, load balancers, cache, CDN. Multi-cloud monthly bill.
Outage → Diwali
N+1 apps, Postgres replicas, survive a primary crash.
Enterprise + extras
Queues, search, interview cases, FinOps, Chaos Monkey, daily incident.
