The difficulty setting and permadeath options achievement frames. Ingame and concepts.
Final frames and proof-of-concept. Explorer, Insane, Insane Roguelike (RL), Madness, Madness RL, Nightmare, Nightmare RL, Normal, Normal RL
Ingame Achievement dialog
Normal & Nightmare difficulty. The skeleton deco is for the roguelike, aka permadeath mode
Explorer, Normal & Nightmare concepts
Insane difficulty concept and Nightmare deco dwarf
Madness difficulty concept
Arena & Infinite Dungeon (ID) Icon concepts