Can anyone who knows how Steam trading cards work please tell me what's going on?

You should know by now. How have the mighty fallen...

Does anyone know what monsters you need to lose a life on to get those specific animals?

I have tried several playthroughs to get both, I have all the endings and gold file but the hidden one. What is a surefire way to trigger the final boss's hidden dialog as well as the hidden ending?

I generally like the games approach of "pacifism" being the optimal, golden route...on paper. My two biggest issues with the game are: -It's structure. When your main gimmick is perfect running a stage...you also should have stages. I think its pseudo metroidvania structure doesn't add anything to the game and actively hinders it in that you can't just quickly restart a stage if you fail. -It's obstacles. The game throws way too many gotcha traps at the player for a game that wants you to try not to get hi...