Finnish has 16, Estonian 14. Though most inflections can be derived via suffixes from about 4 of them (3 singular, 1 plural), What's probably complicated is when to use the correct form.
01. Trick Or Treat 02. After Midnight 03. Don't Stop The Fight 04. Stand Up 05. Tear Down The Walls 06. Get Tough 07. Hold On To The Night 08. Heft 09. If You Could See