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Should I Use Kaboom.js?

kaboomjs.com·Analyzed 2 hours ago··Based on 10 sources

JavaScript game programming library that helps you make games fast and fun

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Don't start anything new with Kaboom.js — its own homepage says it is no longer maintained.

Free and beginner-friendly, but officially unmaintained. For new games use KAPLAY or Phaser.

Confidence: High

$0

Price

Free, open source

0

Dependencies

Zero-dependency declarative design

Unmaintained

Status

Discontinued notice on official site

KAPLAY

Successor

Community fork continues development

Value for money5

Entirely free and open source.

Ease of use4

Simple API; many beginner tutorials exist.

Feature depth3

Fine for 2D; Phaser is deeper.

Support quality1

Unmaintained; community-only help.

Security posture3

No disclosed vulnerabilities; no security page.

Pros

  • Free, open source, and zero-dependency⁵
  • Large library of free beginner tutorials (Mario, Zelda, Snake)⁸
  • In-browser playground for instant experimentation
  • Simple, declarative API aimed at making games accessible
  • Active community fork (KAPLAY) carries the work forward³

Cons

  • Officially unmaintained — stated on its own homepage¹
  • Development moved to KAPLAY; Kaboom itself is frozen³
  • Smaller ecosystem and mindshare than Phaser⁴
  • Beginners report confusing errors like 'solid() is not defined'⁶

Gotchas

  • highOfficially unmaintained — expect no bug fixes, updates, or official support.¹
  • mediumTwo ecosystems now exist; older Kaboom tutorials may not match KAPLAY docs.³
  • mediumGuess: migrating existing code to KAPLAY may require changes as APIs diverge.³
  • mediumCommunity help only — Reddit, forums, and aging tutorials.

Best for

  • Maintaining existing hobby projects
  • JavaScript learners following classic tutorials
  • Quick 2D prototypes and game-jam experiments

Not for

  • New production or commercial games
  • Teams needing updates, bug fixes, or support
  • Anyone choosing a long-term game framework
  • Projects wanting an active ecosystem — use KAPLAY or Phaser

Companies that could

  • Disney⁷Uses Phaser instead
  • Facebook⁷Uses Phaser instead
  • Adobe⁷Uses Phaser instead

Pricing

Open source

$0

  • Full game library
  • Zero dependencies
  • In-browser playground

Security

No known public vulnerabilities found in the sources reviewed.

What users say

Beginners enjoy how quickly Kaboom gets a 2D game running, but many weigh switching to Phaser or the KAPLAY fork.

“Kaboom.js - a zero-dependency declarative JavaScript game library”
— Reddit, r/learnjavascript
“Kaplay is very simple, fast and gives good buildi”
— Reddit, r/gamedev

Alternatives

Compare Kaboom.js with each alternative.

KAPLAY

Community fork of Kaboom; actively maintained successor.

Vanilla JS + Canvas

Raw canvas works fine for small, simple games.

Full analysis

Based on 30+ public sources, including the official site, GitHub repos, Reddit threads, and Snyk.

Sources

  1. Kaboom.js — official site with discontinued noticekaboomjs.com
    official
  2. replit/kaboom on GitHubgithub.com
    official
  3. KAPLAY.js — community successor on GitHubgithub.com
    official
  4. Is Kaboom js or Phaser better to use as a web developer — Reddit r/gamedevreddit.com
    review
  5. Kaboom.js — a zero-dependency declarative JavaScript game library — Reddit r/learnjavascriptreddit.com
    review
  6. Kaboom.js: solid() is not defined — Reddit r/learnjavascriptreddit.com
    review
  7. Top 10 2D JavaScript Game Engines for Beginners — SitePointsitepoint.com
    review
  8. How to Build Mario, Zelda, and Space Invaders with Kaboom.js — freeCodeCampfreecodecamp.org
    review
  9. kaboom — Snyk Vulnerability Databasesecurity.snyk.io
    security
  10. Kaboom.js security page (not found)kaboomjs.com
    security

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