Here is a provided list of different type of Contests.
Sotw
Signature of the week Contest
Sotm
Signature of the month contest
soty
Signature of the year contest
Laotw
Large art of the week contest
Laotm
Large Art of the week contest
Laoty
Large Art of the year contest
TC
Tutorial Contest
Sotw
Signature of the week Contest
Sotm
Signature of the month contest
soty
Signature of the year contest
Laotw
Large art of the week contest
Laotm
Large Art of the week contest
Laoty
Large Art of the year contest
TC
Tutorial Contest