Nice effort, guys.

Here are the answers (spoiler tagged):
Top Row: Orion Pax, War Within, War For Cybertron, Fall of Cybertron, original G1, Powermaster, Action Master, original G2, G2 Combat Hero, G2 Laser
Middle Row: G2 Gobot, Convobat, MW, CR/RiD, Armada, Energon, Cybertron, Henkei (Classics), Alternator, Movie (Protoform)
Bottom Row: Movie, Animated (Cybertronian), Animated (Earth), Alternity, Prime (original), Prime (Beast Hunters), Go!, Age of Extinction, RiD (original), RiD (reformatted)