LOOPY

Cause and effect simulator

Press play and watch a change snowball or settle down.

Make it mineTry it (opens the authors’ own copy in a new tab)

“Make it mine” asks you to sign in first. On the Free plan, your copy is your one app; you can delete it any time.
“Try it” opens the authors’ own copy, not yours.

Made by
ncase
Licence
CC0-1.0
Popularity
1.8k stars on GitHub
Uses
Your browser

What you can do

  • Draw a circle for each thing and arrows for what affects what
  • Save your drawing as a link to share
  • Put it on your own web page for others to play

Who it’s forTeachers, students and people who plan policies or products

Once it’s yours

  • Your own copy, at its own address
  • Anyone with its address can open it, until you choose who can
  • Change it with your own coding agent

Ideas for changing it

Once it’s live, give any line below to your coding agent.

  • Start with a ready-made example on how phone use affects sleep

  • Add a line chart that shows each circle rising and falling during play

  • Swap the circle colors for our school's colors

Source and licence

LOOPY is open source: its authors, ncase, published the code for anyone to use and change.

Its licence, CC0-1.0, lets you use and change it freely, with no conditions.

Your copy is the version you copied; the authors’ later updates don’t arrive by themselves.

This version on TofuThe authors’ original code

More like this

All templates