itch.io

Literally me every time Glitch City day resets.

If you want all cards just for artwork, just check Manyakis' Patreon or Twitter smh Why would you need card unlocks specifically.
Everything else is pretty much unlockable by playing just a little bit. Saddle up and start clearing Warden challenges if you don't have enough bits to unlock some of artworks, it really doesn't take all that much time. Otherwise it kinda kills the purpose of those things being unlockables. Or cheat, no one will care, although you still will have to put in some effort to do it.

Not so much an issue or complain, but more of a notion.
I decided to go for Twins Challenges today, and as I haven't done them before aside from just once for access to each room, I got to do unlock other stuff at last.
The thing that kinda disturbs me is that, apparently, when you have options obtained that would be no longer available (access to the room, Surge unlock), wardens still speak of full list of unlocks as if you actually have these options. I do understand that it would require additional writing... but it's still kinda weird to have room option unlocked, pick another option and then receive a dialogue that instead of room option you picked another.
Additionally, since today was the first time when I exhausted my pick options, I got to pick one with money. It seems like there is also no check in the game if you choose money for the first time as a reward from a warden or not, as in dialogue I got her exclaiming that I pick the money "again", despite it literally being the first time. RNG dialogue picks can be wild sometimes.
I understand that it's not easy to write a lot of dialogues (and even less easy to perform all the checks to pick them in accordance with existing setup), being attentive to all potentialities, but I still hope that there will be more dialogue variety for wardens in the future, hopefully keeping in mind the status of your character aka options being already picked and whatnot.

Sounds like a skill issue

It's okay, since it's not exactly game-breaking and was probably in the game for a while (it was present all way back in 6.2.0 at very least, but it seems like I was the first one to start fooling around with it, or people just collectively chose to stay silent).

There is a very peculiar bug that allows NPC sprites to stay even outside of shops. Pressing Z (the button that hides UI) during transition from exiting the shop, if timed correctly (just after the last line of NPC message and before you get returned to Glitch City), will make NPC sprite stay on the screen. NPC sprite then can be easily removed from the screen by re-entering a shop and quitting normally.