CSSBattle

6.9easy start · #11 of 30
in Coding challenge sites

Free to practise onyes
Free trialnot on record
Well documentedyes
Runs where you worknot on record

Runs on Web. Paid plans from $4.90/mo.

CSSBattle is ranked #11 of 30 in coding challenge sites on The Geeks Club. It runs on Web. There is a free plan. Paid plans start at $4.90/mo.

CSSBattle plans and pricing

All plans

CSSBattle Free Free Free to play · current-day Daily Target · login required to submit and score cssbattle.dev · 4 Oct 2026

CSSBattle PLUS Monthly $4.90/mo $4.9 / month PLUS membership features · cancel anytime · 100% refund if cancelled within 7 days · additional taxes may apply cssbattle.dev · 4 Oct 2026

CSS Learn Basic $13 once One-time payment for lifetime access 11 chapters · 70+ levels · free demo chapter · free lifetime updates · local taxes excluded cssbattle.dev · 4 Oct 2026

CSSBattle PLUS Yearly $59/yr $59 / year PLUS membership features · 30% off · cancel anytime · 100% refund if cancelled within 7 days · additional taxes may apply cssbattle.dev · 4 Oct 2026

CSS Learn Intermediate $100 once One-time payment for lifetime access 10 chapters · 300+ levels · free demo chapter · free lifetime updates · local taxes excluded cssbattle.dev · 4 Oct 2026

Compared on coding challenge sites

Free plan: Yes
Paid from: $4.90/mo
Primary use: practice
Languages supported: HTML, CSS
Problem library size: 1,100 problems

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The record

What it does: CSSBattle is an online game where players write HTML and CSS to recreate target images using as few characters as possible.
Daily challenges: A new Daily Target is released every day at 00:00 UTC and Daily Targets have no leaderboards.
Multiplayer battles: Battles collect unique targets with separate leaderboards, and players can also challenge friends in private one-on-one Versus battles.
Scoring: Scores account for how closely a submission matches the target and the number of code characters used.
Learning courses: Its Learn courses are gamified CSS courses with interactive levels and quizzes for beginners, intermediate learners, and experts.
PLUS features: PLUS adds access to more than 1,100 past Daily Targets and their top solutions, editor plugins, advanced stats, solution search and sharing, unlimited submission history, and a VSCode editor.
Notable limits: Free players can play only the current day's Daily Target, while PLUS members can access past Daily Targets.
Login requirement: Players can view targets and try code without logging in, but must log in to submit a solution and receive a score.
Code restrictions: Game submissions cannot use JavaScript, SVG, images, or external assets.
Evaluation environment: Submitted solutions are rendered in a headless Chromium browser on an Ubuntu 18.04 server.
Privacy: The privacy page says email is used only for authentication and is not shared, and users can request account and data removal.
Security: The privacy page says the website works strictly over HTTPS and submissions are inaccessible to other players except on Open Targets or Daily Targets.
Support: The site lists [email protected] and directs users with questions to its community forum or social account.
Audience: The makers describe CSSBattle as made for people who have coded in HTML and CSS, while saying beginners can also start learning those technologies.
Price from: $4.90/mo

Where it ranks on The Geeks Club

Best Coding Challenge Sites in 2026#11 of 30

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Sources

cssbattle.dev/about· checked 4 Oct 2026
cssbattle.dev/faqs· checked 4 Oct 2026
cssbattle.dev/learn· checked 4 Oct 2026
cssbattle.dev/plus· checked 4 Oct 2026
cssbattle.dev/privacy-and-terms· checked 4 Oct 2026