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CodePen VS Slither.io

Compare CodePen VS Slither.io and see what are their differences

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Contents:
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  3. » Reviews
  4. » Alternatives

CodePen logo CodePen

A front end web development playground.

Slither.io logo Slither.io

Slither.io is a multiplayer online video game. Players control an avatar resembling a worm, which consumes multicolored pellets, both from other players and ones that naturally spawn on the map in the game, to grow in size.
  • CodePen Landing page
    Landing page //
    2018-09-30
  • Slither.io Landing page
    Landing page //
    2018-09-29

CodePen features and specs

  • Real-time Collaboration
    Developers can collaborate with others in real-time, making it easy to work on projects with teammates or seek help from the community.
  • Immediate Visual Feedback
    CodePen allows you to see the results of your code as you write it, which is highly beneficial for learning and debugging.
  • Integrated Development Environment (IDE)
    CodePen provides a comfortable and feature-rich online IDE environment with syntax highlighting, autocomplete, and more.
  • Community-Driven
    Users can share their work with the CodePen community, receive feedback, and explore a wide range of projects created by others.
  • Extensive Resources
    CodePen offers a wealth of examples and templates for various web development tasks, making it a useful resource for learning and inspiration.
  • Cross-Device Accessibility
    Being an online platform, CodePen can be accessed from any device with an internet connection, making it convenient for developers on the move.

Possible disadvantages of CodePen

  • Limited Offline Functionality
    Since CodePen is primarily an online tool, it requires an internet connection for most of its features to work, limiting its usefulness in offline environments.
  • Performance Constraints
    Complex or resource-intensive projects may not perform as well on CodePen as they would in a full-fledged local development environment.
  • Subscription Costs
    While many features are free, advanced functionalities and additional storage options require a paid subscription, which may not be ideal for all users.
  • Limited Backend Capabilities
    CodePen is primarily designed for front-end development, so it offers limited support for backend technologies, making it less suitable for full-stack or server-side development.
  • Dependency Management
    Managing dependencies and libraries can be cumbersome compared to local development environments which have better tools for this purpose, like npm.
  • Security Concerns
    Sharing projects with the public can expose your code and assets to unauthorized use, posing potential intellectual property and security risks.

Slither.io features and specs

  • Simple and Engaging Gameplay
    Slither.io combines the simple mechanics of classic snake games with a multiplayer twist, making it easy for new players to pick up and play while being challenging enough for experienced players.
  • Multiplayer Experience
    Playing with and against real players from around the world adds an element of unpredictability and competitiveness that enhances the overall experience.
  • No Download Required
    The game can be played directly in the web browser without the need for downloading and installing additional software or apps.
  • Aesthetic Appeal
    The colorful graphics and smooth animations make the game visually appealing and engaging.

Possible disadvantages of Slither.io

  • Lag and Performance Issues
    Players may occasionally experience lag, which can lead to frustrating moments, particularly in a competitive multiplayer environment.
  • Limited Game Mechanics
    The game’s mechanics are relatively simple and may become repetitive over time, lacking the depth and variety found in other games.
  • Advertisements
    The free-to-play model relies on advertisements, which can interrupt gameplay and detract from the gaming experience.
  • Connectivity Requirements
    A stable internet connection is required to play, which can be a limitation for players with poor or unstable internet access.

Analysis of CodePen

Overall verdict

  • Yes, CodePen is considered a good platform for web developers, both beginners and experienced. It offers a wide array of features that facilitate creative development and community engagement.

Why this product is good

  • CodePen is a popular online code editor and community platform for front-end developers to experiment with creating and sharing HTML, CSS, and JavaScript snippets. It provides an easy-to-use interface and real-time previews, making it a valuable tool for learning, prototyping, and sharing web development work. It also fosters a community where developers can showcase their projects, receive feedback, and learn from each other.

Recommended for

  • Front-end developers who want to quickly prototype and test web designs.
  • Beginners in web development looking to learn and receive feedback from the community.
  • Educators and students interested in a platform to showcase projects and collaborate.
  • Developers who want to explore creative coding and share their work with a community.

Analysis of Slither.io

Overall verdict

  • Overall, Slither.io is a fun and engaging game that is well-suited for quick gaming sessions. Its simplicity and competitive nature make it appealing, although some players might find the gameplay repetitive over time. Lag issues can occasionally affect the experience, but updates have improved this aspect.

Why this product is good

  • Slither.io is popular due to its simple yet addictive gameplay. It combines elements of classic snake games with a competitive edge, allowing players to compete against others from around the world in real-time. The goal of growing and outmaneuvering opponents creates a dynamic and engaging experience. Additionally, its easy accessibility via web browsers and mobile devices contributes to its appeal.

Recommended for

    Slither.io is recommended for players who enjoy casual, competitive online games with straightforward mechanics. It's ideal for individuals looking for a quick gaming fix or those who have fond memories of classic snake games and wish to experience an updated version. It's also suitable for all ages, appealing to both younger audiences and adults due to its simplistic design and easy-to-learn controls.

CodePen videos

+ Add

What Is Codepen?

More videos:

  • Review - Learn to use CodePen from a co-founder of CodePen
  • Review - Using CodePen For Inspiration & Learning

Slither.io videos

+ Add

SLITHER.IO | AppSpy Review

Category Popularity

0-100% (relative to CodePen and Slither.io)

CodePen

Slither.io

Text Editors
100 100%
Text Editors
0% 0
Games
0 0%
Games
100% 100
Programming
100 100%
Programming
0% 0
Online Games
0 0%
Online Games
100% 100

User comments

Share your experience with using CodePen and Slither.io. For example, how are they different and which one is better?
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Reviews

These are some of the external sources and on-site user reviews we've used to compare CodePen and Slither.io

CodePen Reviews

Best Forums for Developers to Join in 2025
Codepen is a social network for developers to show off their work, ask and answer questions, and exchange ideas. It's like a Reddit for coding and design, with a large community of talented web developers.
Source: www.notchup.com
Top 10 Developer Communities You Should Explore
Codepen is a social development environment that allows developers to showcase their work and experiment with HTML, CSS, and JavaScript in a collaborative space. Codepen’s focus on visual and interactive development makes it an excellent community for front-end developers and designers.
Source: www.qodo.ai
8 Best Replit Alternatives & Competitors in 2022 (Free & Paid) - Software Discover
Codepen is a social development environment for front-end designers and developers. Build and deploy a website, show off your work, build test cases to learn.
Source: www.softwarediscover.com
Best Online Code Editors For Web Developers
Probably the most popular online code editor. CodePen is fast, easy to use, and allows a web developer to write and share HTML/CSS/JS code online.
Source: techarge.in
Top 25 websites for coding challenge and competition [Updated for 2021]
CodePen is a cool online IDE that allows you to write code in your browser and see the result just as you build it. CodePen challenges is a place for leveling up your skills by building things. Each week, new challenges appear for you to tackle, and the best “Pens” get picked.
Source: towardsdatascience.com

Slither.io Reviews

We have no reviews of Slither.io yet.
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Social recommendations and mentions

Based on our record, CodePen should be more popular than Slither.io. It has been mentiond 503 times since March 2021. We are tracking product recommendations and mentions on various public social media platforms and blogs. They can help you identify which product is more popular and what people think of it.

CodePen mentions (503)

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Slither.io mentions (311)

  • What is your favourite game to play while you're getting CC'd for 5 minutes straight?
    I was thinking slither.io, but it's not working well for me right now. Any suggestion? Source: almost 2 years ago
  • There's really nothing like being up at 3 AM when everyones asleep playing stupid browser games while listening to music on your Chromebook.
    Games had to resort to to tolerate it . richup.io and slither.io last night. Source: almost 2 years ago
  • Accidentally said something racist
    I was in a call with my friends one time and was playing slither.io. A user called Knee_grow killed my worm and I accidentally blurted out that I hated them. I felt so bad after. Am I racist? Source: almost 2 years ago
  • Move your mouse pointer with hand gestures
    There is a game called slither.io (Link) I enjoy playing. It’s kinda hard playing from my phone (curse my small hands and the huge phone) and playing it using the built-in touchpad of my laptop is not something comfortable either. This is how the idea of a virtual mouse came to my mind. - Source: dev.to / about 2 years ago
  • I've made a 2D multiplayer bullet heaven/hell inspired by Snake and Magicka. This is my first trailer, please destroy the trailer and the game!
    I'd say if anything the trailer doesn't really get across that you have Magicka elements in it- if I had to make a guess pretending I'm fresh off the street- I'd say your game is like slither.io with shooting. Source: about 2 years ago
View more

What are some alternatives?

When comparing CodePen and Slither.io, you can also consider the following products

JSFiddle - Test your JavaScript, CSS, HTML or CoffeeScript online with JSFiddle code editor.

Agar.io - The smash hit game! Control your cell and eat other players to grow larger! Play with millions of players around the world and try to become the biggest cell of all!

CodeSandbox - Online playground for React

Diep.io - Diep.io is a multiplayer action game available for web browsers, Android, and iOS, created by Brazilian developer Matheus Valadares. Players control tanks and earn points by destroying shapes and killing other players in a 2D arena.

GitHub - Originally founded as a project to simplify sharing code, GitHub has grown into an application used by over a million people to store over two million code repositories, making GitHub the largest code host in the world.

Mope.io - Start as a mouse, eat other players and climb the food chain in this Agar.io alternative.

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