Optionary
Adjective; When something is both optional and necessary.
That zone in the game not required and full of monsters, but it is also full of some great loot. It is completely optionary.
Optionary
Coined in Stillwater, MN by the Great Bob, optionary simply combines the words optional and voluntary.
I thought you were supposed to be at school?
No that program was optionary.
No that program was optionary.