There are three Difficulty levels for 3D Dot Game Heroes. The first difficulty is the normal difficulty where you put in any name except SPELUNKER. The second difficulty is FROM Mode difficulty and you have to complete the game once in order to access the FROM Mode difficulty. The third difficulty is Spelunker Mode difficulty and it can be accessed either at the name screen by inputting SPELUNKER or in FROM Mode and finding Spelunker in sector A1.