If any of these upcoming challenges take your fancy, get ahead of the curve and start creating!
ANY art that has not already been submitted to OGA qualifies as long as it is submitted within the specified date period of the challenge...
Got some old art lying around that fits the genre of the season? Finish it, polish it, enter it!
2023 Art Challenges:

Spring:

Dates: March 1st - April 1st
Theme: Shoot'em up
Tags to use: Shoot'em up, 2023

Summer:

Dates: June 1st - July 1st
Theme: Physics

Autumn:

Dates: September 1st - October 1st
Theme: Hack 'n' Slash

Winter:

Dates: December 1st - January 1st
Theme: Rhythm (Rhythm Action)