I'll edit this post tomorrow in order to add my own commentary on the results. For now, here is a rundown of the final results to hold you over. Note that a nomination has to have received at least 2 votes in order to be a considered a runner up.

Best Battle Level

Winner: Horizon Approaching (3 votes)
Runners Up: Dilapidation & Robust Ruins (2 votes)

Best CTF Level

Winner: Pinball Arena 2k15 (5 votes)
Runner Up: Forgotten Civilisation (3 votes)

Best Other MP Level

Winner: Mighty Switch Test (5 votes)
Runners Up: Jazzopoly (3 votes), Outrageously Orange V2 (2 votes)

Best SP Release

Winner: Lost Ages v2.0 (3 votes)

Best Tileset

Winner: Organic (7 votes)

Best Remix

Winners: Medieval Jam (Outbreak Remix) & Semi Lucid Experience Chrysilis Spilled Out (Adventure of SSB SAMUS in$$ide the c0c41n3 c4stl3) XxX (3 votes)

Best Level Script

Winner: Mighty Switch Test (4 votes)
Runner Up: Jazzopoly (3 votes)

Best Mutator

Winner: Survivor.mut (6 votes)

Best JCSer

Winner: PurpleJazz (6 votes)
Runner Up: Blackraptor (3 votes)

Most Improved JCSer

Winners: Sir Ementaler & TreyLina (4 votes)