Runtime City

Learn by breaking

Software engineering concepts you can walk into, take apart and put back together. Built for students heading into interviews.

Pattern Park · open

• Dependency Injection weld an engine in, then cut a socket
• Factory Method grow a switch until it breaks, then cut a hole
• Strategy · Observer · Singleton — coming soon

Districts ahead

• SOLID Quarter · Memory Harbour · Network Highway · Database Vault · Concurrency Crossing · Architecture Heights

Every playroom runs the same loop: see it working, break it yourself, fix it, read the same code in C#, Java or TypeScript, then take the interview check.