Get Sylios' good ending
Ask Sylios if you can borrow his shovel.
Name the Monster in the epilogue
Get General good ending
Die by having the big dictionary in your pocket
Die by having the weed grower in your pocket
Have a Monster with white hair.
Talk to Iggs to get a clue
Add Dr. Oink to your inventory.
Clicked on "Don't Use!!!" In extras screen
Have a Monster with the "Just like my animes" option.