How do you save in monster arena?
There is no way to save it automatically saves for you every month or two
Gourmet Race, The Arena, Helper to hero, and the true arena you need to beat to save. In GREAT CAVE OFFENSIVE, you need to find buttons. Jump on them and it will ask you to save your game. In Spring Breeze, Dynablade, and Milky Way Wishes, you need to beat a level to save. In META KNIGHTMARE ULTRA, You need to beat a game to save.