
Codewars
Exercism
LeetCode
CodinGame
CodeCombat
HackerRank
Codecademy
CheckIO is a web site with a mission: To teach JavaScript and Python coding skills through a game-playing interface. It is designed to teach new skills or improve existing skills through completing challenges.

Real Dev
hackattic
Takehome
HackerRank
Frontend Mentor
Software Engineer Quiz
Challenge Hunt
Free front end coding challenges

Which is more popular?
Based on our record, CheckIO seems to be a lot more popular than Good Code. While we know about 46 links to CheckIO, we've tracked only 1 mention of Good Code.
Website, pricing, platforms and company facts side by side.
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| Website | checkio.org | moeminm.github.io |
| Pricing | — | |
| Platforms | — | |
| Company | — | 2020 |
| Listed in |
What each product offers, as listed by its team.


Possible disadvantages
Possible disadvantages
An editorial look at what each product does well and who it suits.


Overall verdict
Why this product is good
Recommended for
No analysis of Good Code yet.
Walkthroughs and reviews on video.
Intro Video. How to get maximum from CheckiO
How to make a GOOD Code Review?
How often each product is chosen within a category, 0–100% relative to the other.


Share your experience with using CheckIO and Good Code. For example, how are they different and which one is better?
External articles and on-site reviews we used to compare the two products.


CheckiO is a platform with coding games created for different levels of programmers, from beginners to advanced levels. Using fun and engaging methods, you can use coding games to solve challenges in TypeScript and...
CheckIO is available in English and Spanish. The platform was designed by a group of engineers and now has a number of customers all over the globe who may use it to improve their programming speed and abilities by...
Checkio is the most whimsical HackerRank alternative on this list. It’s also focused on two languages: Python and TypeScript. On this site you’ll be thrown into a gamer’s paradise that includes robot mollusks and...
We have no reviews of Good Code yet. Be the first one to post
Recommendations tracked on public social media and blogs since March 2021.


Have you heard of CheckIO (https://checkio.org/)? They have a gameified "Mario world" of coding challenges that are smaller and come with more explanation, tests to guide you through edge cases and provide hints. The challenges start... Source: almost 3 years ago
Cyber isn't gonna be a light switch, where you can flip it and be good. Don't be too hard on yourself. Start with some hands on stuff like https://tryhackme.com or checkio.org. You could look at certs like Security+ or CySA+ for some... Source: over 3 years ago
Much better to get your hands dirty than watching the videos. Try: https://checkio.org/. Source: over 3 years ago
Haven't tried this yet bit I have goodcode bookmarked. I think I discovered it via a subreddit before. Source: over 5 years ago
When comparing CheckIO and Good Code, you can also consider the following products.



Download and solve practice problems in over 30 different languages.
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Practice and level up your development skills and prepare for technical interviews.
Compare LeetCode to CheckIO or Good Code:
Effective and humane coding challenges for candidates
Compare Takehome to CheckIO or Good Code: