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Life & fun · January 1, 2026

CT

C-TURTL, a turtle graphics game

Happy New Year! Here's a small turtle graphics game I made for my kids, that I want to share. You write the "DNA" of the turtle, and watch what happens. Any comments or suggestions appreciated!

C-TURTL, a turtle graphics game launched on January 1, 2026 with 12 votes, #893 of 14,584 launches that month and more than 90% of that year's launches.

Visit michae2.github.io ↗Alternativestop 6% of January 2026

In plain words

C-TURTL is a turtle graphics game where players write DNA code to control a turtle's behavior and watch it draw patterns. The game is designed for children and anyone interested in creative coding through visual feedback. Players input instructions that determine how the turtle moves and creates drawings, making it an educational tool for learning programming concepts in an interactive, game-like format.

written from the facts on this page · September 2026

From the sources

The turtle dies at the end of the DNA. Baby turtles start over at the beginning of the DNA. I'm not much of an artist, so the turtles look like this: ■ This was inspired by Isabel Beach's L-systems and Turtle Graphics and Susam Pal's CFRS[] . Source and examples on GitHubfrom michae2.github.io

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