# Welcome! I'm the lead developer at [SemiColin Games](https://www.semicolin.games) in Somerville, MA. Previously at Google, reCAPTCHA, & Carnegie Mellon. [![@mcmillen](/img/twitter.svg)](https://twitter.com/mcmillen) [@mcmillen](https://twitter.com/mcmillen) [![Git](/img/git.svg)](https://git.mcmillen.dev/mcmillen?tab=activity) [git.mcmillen.dev](https://git.mcmillen.dev/mcmillen?tab=activity) For more details, check my [resumé](resume.html) & [publications](publications.html). ## Recent Posts You can sign up for occasional updates via my [email newsletter](https://tinyletter.com/mcmillen). * [93% of Paint Splatters are Valid Perl Programs](sigbovik/) In this paper, we aim to answer a long-standing open problem in the programming languages community: is it possible to smear paint on the wall without creating valid Perl? * [Programming Language Checklist](language_checklist.html) You appear to be advocating a new programming language. Your language will not work. Here is why it will not work. * [ohnosay](https://twitter.com/mcmillen/status/1095795492196364297) ## Videogames Currently playing: **Persona 5**, **Monster Hunter Rise**, & **Slipways**. Sometimes I stream on Twitch! [![Twitch](/img/twitch.svg)](https://twitch.tv/FamiColin) [FamiColin](https://twitch.tv/FamiColin) [![Steam](/img/steam.svg)](https://steamcommunity.com/id/FamiColin/) [FamiColin](https://steamcommunity.com/id/FamiColin/) [![PlayStation](/img/playstation.svg)](https://psnprofiles.com/robomancer) [robomancer](https://psnprofiles.com/robomancer) ![Nintendo Switch](/img/nintendoswitch.svg) SW-1906-3662-4308