Codier
CSSBattle
LeetCode
CodeSignal
Exercism.io
HackerRank
Codewars
Dribbble
Screeps
CodeCombat
CodinGame
CheckIO
Robocode
Codewars
LeetCode
Project Euler
ScreepsBased on our record, Screeps seems to be a lot more popular than Codier. While we know about 41 links to Screeps, we've tracked only 2 mentions of Codier. 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.
2.Codier This is also same a before but little different like you can view the other developers solution and task are very little and large also. Https://codier.io/. - Source: dev.to / over 1 year ago
Codier is the free platform where each project you choose has instructions that you must follow and once you completed the project, you can submit your solution and others could rate it. Codier. - Source: dev.to / almost 2 years ago
I've heard about Screeps which is close to what you describe: https://screeps.com/. - Source: Hacker News / 6 months ago
I have tried Screeps in the past, and I'm not a huge fan. I really like Stone Story, but they do not have an easy way to take your saves across multiple platforms -- you have to manually import/export your save. Source: 8 months ago
-For JavaScript, my advice would be to introduce coding games. That way it's more fun and the environment would be set up better (less worrying about deep technical errors). The two games that come to mind are Bitburner (free) and Screeps (free offline/paid online), though they both have their own learning curves and require actual coding; so for a 9 year old YMMV greatly. Source: 11 months ago
A good, existing example I'd like to show you is Screeps: https://screeps.com/ Personally, when I'm in the mindset of playing that game, I can't help but come back to my bot every 30 minutes to see if it's performing well. When I see that it's doing something strange, I take notes and can't stop thinking about possible solutions. When I'm not in the mood to play (i.e. Analyze the bot or program more... - Source: Hacker News / 12 months ago
I organised a small team to develop a screeps bot. Other teams made their own basic, but amusing game or explored interesting technologies. A few teams even worked on things related to the business. Source: almost 1 year ago
CSSBattle - Play against others in golf with your CSS skills
CodeCombat - Learn programming with a multiplayer live coding strategy game.
LeetCode - Practice and level up your development skills and prepare for technical interviews.
CodinGame - CodinGame provides users with a fun and effective way to learn coding that eschews the rigid structure of traditional teaching methods.
CodeSignal - CodeSignal is the leading assessment platform for technical hiring.
CheckIO - 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.