You're right — I'll consider adjusting when spirit monsters appear.
The idea of building-based skills is pretty interesting, but it might increase the learning curve and decision-making load for new players, especially early on. Not sure if it fits yet, but I'll think more about it.
Thanks for the feedback! After winning the game, you'll unlock Ascension Mode with longer mortgage years for more challenge. Endless Mode and more frequent passives are great suggestions — we'll keep optimizing!
