X0101 EFFECT 33 LIVE 2012-12-28 10:00:00

S-4

0001323921 Scientific Games International, Inc. 333-184835 0001323935 SG Gaming, Inc. 333-184835-06 0001323931 MDI Entertainment, LLC 333-184835-05 0001442385 Scientific Games Products Inc 333-184835-04 0001442384 Scientific Games SA Inc 333-184835-03 0001561695 Sciplay Inc. 333-184835-02 0000750004 SCIENTIFIC GAMES CORP 333-184835-01