Is it possible to automatically rotate the d-pad/analog controls when I rotate the display? I think that doesn't happen currently, at least when I tried on Steam Deck.

There tends to be a delay before the bundle is shown on the game store page, so I will share a link to the bundle below:

Shmupers! This forum is a space for players to share experiences and tips and tricks, discuss the game, and help each other. If you have a support-related question or feedback on the game's features, please email support@bitwavegames.com, and we're happy to look into it. You can also join our Discord server and submit your ticket over there....

Is this by not picking up any bonus item or ur not allowed to scroll forward and backwards?

The boss cannot be defeated in Stage 3 due to undodgable attacks.