Main article: Wunnel
This is an HTML5-based implementation of the esoteric programming language Wunnel.
Select an example program from the drop-down (or click Edit and compose your own,) then click Run.
INP is highlighted in the instruction matrix, the program is
waiting for input. Click on the Input text box and input some
1s (Wunnel programs take bits as input.) The program
will consume them in order, and continue running.