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

Monika doodle

Another Okuu figure

Merry Christmas!

StrawPage messages

Happy New Year!

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

Pearto

Teto but she is a pear (for some reason)

Yuletide art

Kasane Teto