A puzzle game about managing concurrency.

Important Note: You can't drag the pieces around by holding the mouse button. You click once to pick up, once to put back down. Just didn't have time make holding-down work.

Tutorial

This is an orb. Every orb has some number.

This is a flag. For every orb there is a flag, and your goal is to match them up.

Every orb and flag is connected to a path. When you hit GO, the orbs will move from left to right, towards the flags.

As you can see, the orbs aren't usually lined up correctly. That's where swappers come into play. When two orbs hit each side of a swapper at the same time, they will swap:

If two swappers are aligned vertically, only the top swapper will function:

This is a stopper. This will slow down an orb by one step, allowing you to sync them up correctly:

Finally, there are certain spots where swappers cannot be placed. These are marked with red: