Scalable Sentry
Tower defense game where you defend your infrastructure against waves of network traffic. Deploy servers, manage resources, and survive boss waves!
Category: Games
What You Will Learn
- Design auto-scaling architectures
- Implement load balancing strategies
- Build high-availability systems
- Handle traffic spikes gracefully
Topics covered: game, tower-defense, strategy, networking
// simulator
Scalable Sentry
Tower defense game where you defend your infrastructure against waves of network traffic. Deploy servers, manage resources, and survive boss waves!
Try next
// game
Bug Hunter
DevOps-themed Snake game where you control a bug that infects healthy servers. Grow longer with each infection, but avoid crashing into walls or yourself!
// simulator
SQL Terminal Simulator
Practice SQL in an interactive browser terminal. Learn SELECT, WHERE, ORDER BY, DISTINCT, aggregates, GROUP BY, HAVING, JOINs, subqueries, and window functions against a small e-commerce schema, with single-table queries evaluated live and verified Postgres output.
// simulator
PostgreSQL Terminal Simulator
Practice the psql tool and Postgres engine in an interactive browser terminal. Explore with meta-commands, read real EXPLAIN plans, add an index to turn a sequential scan into a bitmap index scan, and use BEGIN and ROLLBACK to make changes safe, all against a small e-commerce database with verified PostgreSQL output.