hey, thanks for the feedback!
yep, the abstract pack is quite easy, but there is an update bringing community packs, so now you can create your own packs, play and share them https://wertins.itch.io/sketchdown/devlog/1634400/community-packs-are-here
also there is a new pack that I consider quite challenging. It took me a while to get 10/10 :D