Explore the CodeHS Sandbox
Explore the programming languages and types of programs you can write in the CodeHS IDE. All programs are runnable in the browser—even on Chromebooks!
Create New Sandbox Program: JavaScript Karel
Looking for some inspiration?
Get started by forking a template.
JavaScript SuperKarel
Karel
Code instructions for Karel the Dog in JavaScript. SuperKarel knows how to turnRight and turnAround.
Create NewCreate New Sandbox Program: JavaScript SuperKarel
Default Template
Create your own JavaScript SuperKarel program from a pre-made template.
Get StartedLooking for some inspiration?
Get started by forking a template.
JavaScript UltraKarel
Karel
Write a Karel program in JavaScript. This includes everything in SuperKarel plus painting colors.
Create NewCreate New Sandbox Program: JavaScript UltraKarel
Default Template
Create your own JavaScript UltraKarel program from a pre-made template.
Get StartedLooking for some inspiration?
Get started by forking a template.
Paint by Numbers
ForkJava Karel
Karel
Use the Java programming language to give instructions to Karel the Dog.
Create NewCreate New Sandbox Program: Java Karel
Java SuperKarel
Karel
Use the Java programming language to give instructions to Karel the Dog. In SuperKarel, Karel knows turnRight and turnAround.
Create NewPython Super Karel
Karel
Use the Python programming language to program with Karel! Super Karel knows how to turn_right and turn_around.
Create NewPython Ultra Karel
Karel
Use the Python programming language to program with Karel! Ultra Karel can do everything Super Karel can, plus painting colors.
Create New
