# How to implement a random coroutines challenge generator

DevFeed: [How to implement a random coroutines challenge generator](<https://devfeed.tech/articles/how-to-implement-a-random-coroutines-challenge-generator-39312.md>)

Original publisher: [Read original article](<https://kt.academy/article/game-coroutines-how-to>)

Published: 2025-10-20T00:00:00Z

Content type: tutorial

Language: en

Sources: [Kt. Academy](<https://devfeed.tech/sources/kt-academy.md>)

Topics: [kotlin-coroutines](<https://devfeed.tech/topics/kotlin-coroutines.md>), [Kotlin](<https://devfeed.tech/topics/kotlin.md>), [Learning](<https://devfeed.tech/topics/learning.md>)

Tags: [code](<https://devfeed.tech/tags/code.md>), [coroutines](<https://devfeed.tech/tags/coroutines.md>), [game](<https://devfeed.tech/tags/game.md>), [generate](<https://devfeed.tech/tags/generate.md>), [generator](<https://devfeed.tech/tags/generator.md>), [how-to](<https://devfeed.tech/tags/how-to.md>), [implement](<https://devfeed.tech/tags/implement.md>), [kotlin](<https://devfeed.tech/tags/kotlin.md>), [kotlin-coroutines](<https://devfeed.tech/tags/kotlin-coroutines.md>), [learning](<https://devfeed.tech/tags/learning.md>), [workshop-learning-programming](<https://devfeed.tech/tags/workshop-learning-programming.md>)

## AI overview

This tutorial describes the implementation of a random challenge generator for learning Kotlin Coroutines. It covers representing challenges with a sealed class hierarchy, generating random statements and sub-blocks, supporting different game levels, and improving the algorithm to produce more meaningful challenges.

## Source excerpt

A behind-the-scenes look at how to implement a generator of interesting challenges for learning Kotlin Coroutines.