Girl Genius Games!
It’s the Girl Genius Adventures in Castle Heterodyne video game from Rain Games! Explore and repair your fiendish new mechanical fortress with the help of your loyal dingbot companion! You can even read volumes 1-22 of the comic in-game when you unlock the Castle’s cozy library! Available for PC, Mac and Linux, as well as the Nintendo Switch. Look for the electronic version in the Nintendo shop or the physical version in regular and deluxe “Genius” editions!
If tabletop and role-playing are more your style, check out Steve Jackson Games, and get a fun dice calendar from Box Mountain!
And yes, Phil and Kaja painted many Magic the Gathering cards back in the long-ago. Check out their playmat selection at Original Magic Art!