Polyaudios

Polyaudios is a minimalist 'rhythm' game built for mobile (this is a version for computers) where each level consists of a few 'polys' (notes) that you need to hit with the right timing.

Each kind of poly has differing timing and they do not move linearly. The game teaches you to memorize these patterns over time.

With each level taking about 2-3 minutes to beat on average and a catalog of 54 levels to beat sequentially, this game shouldn't take too long to complete and be a simple way to pass the time as well.

Consider giving it a go!