Rudd Zwolinski
Software Engineer


Zearn Math

A non-profit K-5 Math curriculum leading the way in personalized learning.

Yule Pixels

A small animated pixelog made for the holidays. Free on

Studio Xfinity Fun

A suite of four games and activities to play at the Studio Xfinity retail store. Developed with BumbleBear Games and ESI Design for Comcast.


A (now unavailable) iOS game designed to help strengthen multiplication and division automaticity. Developed with Zearn.


A (now unavailable) iOS game combining the genres of turn-based strategy and shoot-em-ups. Read the postmortem.

Other Projects

I have worked with companies such as Heartonomy, THIS IS POP, BumbleBear Games, and HappyFunCorp on various unreleased or otherwise non-public projects.