2012: Quest for Energon
Kre-O continues under the "Quest for Energon" line. Sets contain translucent "Energon" pieces that can be assembled into larger weapons. This year also introduced Micro-changers, blind packed Kreons which could be disassembled and reassembled from one form to another. Micro-Changers did come with codes printed on the bags allowing you to determine which character was in the bag, but this would be eliminated in later reissues of these figures.