I know of Ultrakill, I've never played the game but it looks pretty cool

Happy Ostara

Here's a Lily White doodle because it is now the spring equinox

Monika doodle

Merry Christmas!

Pearto

Teto but she is a pear (for some reason)

Happy New Year!

Another Okuu figure

Happy Easter

I didn't feel like making any special art for this day, so here's a W.I.P. image of Orin's cat ears instead

Yuletide art

The Tiny Queen's Charcoal Maker