Swiftest: A quiz game to test your Swift language skills

Assess your Swift programming language knowledge.
The quiz game includes the following topics:

1. Swift Basics
2. Optionals
3. Collection Types
4. Functions & Closures
5. Enumerations & Structs
6. Classes & Properties
7. Generics & Other Topics

Over a hundred questions with multiple choice variations to play endlessly and keep improving your programming touch.