
Scrimba
Data Protocol
GoIT LMS
Codelita
CodeCrafters
Codecademy
Divize
The most fun way to learn to code.
Vertical Drop Heroes HD
Catacomb Kids
Spelunky
Rogue Legacy
Chasm
Turbo Pug
Wayward Souls
procedurally-generated 2D platformer with roguelike elements

Which is more popular?
Based on our record, Codédex seems to be more popular. It has been mentioned 5 times since March 2021.
Website, pricing, platforms and company facts side by side.
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GNN
GoNNER
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| Website | codedex.io | store.steampowered.com |
| Pricing | — | |
| 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.

No analysis of Codédex yet.
Overall verdict
Why this product is good
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How often each product is chosen within a category, 0–100% relative to the other.

Share your experience with using Codédex and GoNNER. For example, how are they different and which one is better?
Recommendations tracked on public social media and blogs since March 2021.

I'm a new coder too. What helps me is finding a good place to learn the most basic principles and having 2-5 things I want to do. I started with codedex.io , learning Python and HTML and then took their courses and moved on looking for... Source: over 3 years ago
I think you should focus on HTML, CSS, and JS, starting with HTML. I just started HTML on a website called codedex.io. Pretty cool so far but I feel like I'm getting into a brand new thing haha. Source: over 3 years ago
I've been learning Python on a website called codedex.io for about 6 months. It's been great for me so far. I just started on Classes and Objects. Give them a try, you might like them. Source: almost 4 years ago
Tracking GoNNER since May 2026.
When comparing Codédex and GoNNER, you can also consider the following products.

A roguelike old-school 2D platformer
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A brutal procedurally generated platformer.
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Empowering emerging markets with high-quality tech education
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Spelunky is an addictive, Rough-like, 2D, Platform, Side-Scroll and Single-player video game developed and published by MOssmouth.
Compare Spelunky to Codédex or GoNNER: