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Blockly Games vs KTurtle: catalog facts
Blockly Games	KTurtle
Free Free to play in the browser.	Free Free KDE application.
Web	Windows, Linux
No installation or account needed Visual blocks avoid syntax errors for beginners	Commands translated into the learner's own language Step and slow-motion execution to follow a program
Covers only introductory concepts Block-based, so learners need another tool for typed code	TurtleScript is a teaching language, not one used for real projects No macOS build listed
Web application	Downloadable app
Open source	Open source
License: Apache-2.0	License not stated
No account needed	No account needed
Not stated if it works offline	Works offline
Official website Full listing and sources Checked October 2, 2026	Official website Full listing and sources Checked September 24, 2026

Catalog facts only. Anything “not stated” is unconfirmed. Check full listings for details.