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SPECIFICTION
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CSSBattle

cssbattle.dev

From $4.90/mo Free plan Web
Visit cssbattle.dev
Spec score 8.1 #10 of 30 in Coding Challenge Platforms

What it is

CSSBattle is a web game for practicing HTML and CSS by rebuilding target images with the shortest possible code. Scores reflect both visual similarity and character count. You can open targets and write code without an account, but logging in is required to submit and receive a score. A new Daily Target appears at 00:00 UTC; these daily challenges have no leaderboards. Battles use separate targets and leaderboards, while private Versus battles support one-on-one challenges with friends. Submissions cannot use JavaScript, SVG, images, or external assets, and are rendered in a headless Chromium browser on Ubuntu 18.04. Learn courses add interactive levels and quizzes for beginners, intermediate learners, and experts. The free plan permits only the current day’s target. PLUS adds more than 1,100 past Daily Targets, top solutions, plugins, statistics, search and sharing, unlimited history, and a VSCode editor. CSSBattle Free costs nothing; PLUS costs $4.90 a month or $59 a year.

Spec sheet

What it does
CSSBattle is an online game where players write HTML and CSS to recreate target images using as few characters as possible.Read 4 Oct 2026 · cssbattle.dev
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.Read 4 Oct 2026 · cssbattle.dev
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.Read 4 Oct 2026 · cssbattle.dev
Privacy
The privacy page says email is used only for authentication and is not shared, and users can request account and data removal.Read 4 Oct 2026 · cssbattle.dev
Support
The site lists [email protected] and directs users with questions to its community forum or social account.Read 4 Oct 2026 · cssbattle.dev
Maker
The About page says CSSBattle is made by Kushagra Gour and Kushagra Agarwal.Read 4 Oct 2026 · cssbattle.dev
Code restrictions
Game submissions cannot use JavaScript, SVG, images, or external assets.Read 4 Oct 2026 · cssbattle.dev
Daily challenges
A new Daily Target is released every day at 00:00 UTC and Daily Targets have no leaderboards.Read 4 Oct 2026 · cssbattle.dev
Evaluation environment
Submitted solutions are rendered in a headless Chromium browser on an Ubuntu 18.04 server.Read 4 Oct 2026 · cssbattle.dev
Learning courses
Its Learn courses are gamified CSS courses with interactive levels and quizzes for beginners, intermediate learners, and experts.Read 4 Oct 2026 · cssbattle.dev
Login requirement
Players can view targets and try code without logging in, but must log in to submit a solution and receive a score.Read 4 Oct 2026 · cssbattle.dev
Multiplayer battles
Battles collect unique targets with separate leaderboards, and players can also challenge friends in private one-on-one Versus battles.Read 4 Oct 2026 · cssbattle.dev
Notable limits
Free players can play only the current day's Daily Target, while PLUS members can access past Daily Targets.Read 4 Oct 2026 · cssbattle.dev
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.Read 4 Oct 2026 · cssbattle.dev
Scoring
Scores account for how closely a submission matches the target and the number of code characters used.Read 4 Oct 2026 · cssbattle.dev

Plans and prices

CSSBattle Free Free Free to play · current-day Daily Target · login required to submit and score Read 4 Oct 2026 · cssbattle.dev
CSSBattle PLUS Monthly $4.90 a month $4.9 / month PLUS membership features · cancel anytime · 100% refund if cancelled within 7 days · additional taxes may apply Read 4 Oct 2026 · cssbattle.dev
CSS Learn Basic $13, paid once One-time payment for lifetime access 11 chapters · 70+ levels · free demo chapter · free lifetime updates · local taxes excluded Read 4 Oct 2026 · cssbattle.dev
CSSBattle PLUS Yearly $59 a year $59 / year PLUS membership features · 30% off · cancel anytime · 100% refund if cancelled within 7 days · additional taxes may apply Read 4 Oct 2026 · cssbattle.dev
CSS Learn Intermediate $100, paid once One-time payment for lifetime access 10 chapters · 300+ levels · free demo chapter · free lifetime updates · local taxes excluded Read 4 Oct 2026 · cssbattle.dev

Every CSSBattle plan and price →

Strong points and limits

Strong points

  • Daily HTML and CSS target challenges
  • Scoring combines visual match and code length
  • Private one-on-one Versus battles
  • Interactive courses with levels and quizzes
  • PLUS includes over 1,100 past targets

Limits

  • Free players access only the current Daily Target
  • Login required to submit and receive scores
  • JavaScript, SVG, images, and external assets prohibited
  • No free trial listed

Who it suits

CSSBattle suits people practicing HTML and CSS, including beginners starting to learn those technologies. It also fits players who want daily challenges, competitive battles, or structured courses.

Verdict

CSSBattle combines code-golf competition with structured HTML and CSS practice. The free plan is limited to the current daily target, while PLUS expands the archive and editing tools.

Where Specifiction places it

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