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Trademarks belong to their owners. AppsXi is not affiliated with the projects listed unless a listing says so.Every listed version is checked by AppsXi
PlayFlexbox Froggy

Flexbox Froggy

by Thomas Park · Learning · Open source

7.4K7,382 GitHub starsFree
Checked by AppsXi
Plays in your browser, on computers and phones.

Guide frogs to their lilypads by writing real CSS flexbox code.

Help Froggy and friends reach their matching lilypads by writing modern CSS layout rules. Type flexbox properties into the code editor to manipulate the positions of the frogs on screen. Progress through increasingly challenging levels that introduce key flexbox alignment and distribution concepts.

How to play

  • Keyboard
  • Works on phones

Click inside the game first so it gets your keys. Your progress is saved in this browser, on this game's own address.

Credits and licenses

Made by
Thomas Park
Code
MIT License
Art and sound
CC-BY-3.0
Source
github.com/thomaspark/flexboxfroggy

Created by Thomas Park, with translations by the community. Code under the MIT License; images by Thomas Park under CC BY 3.0.

Ratings and comments

No reviews yet. Anyone who plays it on AppsXi while signed in can review it a day later.

What AppsXi checked

Version main at commit 9a6feab, checked Oct 15, 2026.

  • License: Open source license confirmed in the repository
  • Files: Only static web files, within the size limits
  • Malware scan: Every file scanned, nothing found
  • Code review: Passed with notes for the curator
  • Test play: Played in a sealed browser: it ran and drew without crashing

31 files, 2.1 MB. The game runs sealed off from the internet: the 11 outside addresses its code mentions are blocked, it cannot open pop-ups, leave this page, or see your AppsXi account.

Something wrong with this game? Report it. Maintainers can ask for removal on the maintainers page.

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