diff --git a/SabreTools.RedumpLib.Test/Data/ExtensionsTests.cs b/SabreTools.RedumpLib.Test/Data/ExtensionsTests.cs
index 7b2ab6c..c957bc2 100644
--- a/SabreTools.RedumpLib.Test/Data/ExtensionsTests.cs
+++ b/SabreTools.RedumpLib.Test/Data/ExtensionsTests.cs
@@ -1187,6 +1187,7 @@ public void SiteCode_ShortName(SiteCode? siteCode, bool expectNull)
             [RedumpSystem.NintendoWiiU] = SystemCategory.DiscBasedConsole,
             [RedumpSystem.Panasonic3DOInteractiveMultiplayer] = SystemCategory.DiscBasedConsole,
             [RedumpSystem.PhilipsCDi] = SystemCategory.DiscBasedConsole,
+            [RedumpSystem.PlaymajiPolymega] = SystemCategory.DiscBasedConsole,
             [RedumpSystem.PioneerLaserActive] = SystemCategory.DiscBasedConsole,
             [RedumpSystem.SegaDreamcast] = SystemCategory.DiscBasedConsole,
             [RedumpSystem.SegaMegaCDSegaCD] = SystemCategory.DiscBasedConsole,
@@ -1537,6 +1538,7 @@ public void SiteCode_ShortName(SiteCode? siteCode, bool expectNull)
             RedumpSystem.NECPCEngineCDTurboGrafxCD,
             RedumpSystem.NECPCFXPCFXGA,
             RedumpSystem.NintendoSonySuperNESCDROMSystem,
+            RedumpSystem.PlaymajiPolymega,
             RedumpSystem.SegaDreamcast,
             RedumpSystem.SegaMegaCDSegaCD,
             RedumpSystem.SegaSaturn,
diff --git a/SabreTools.RedumpLib/Data/Enumerations.cs b/SabreTools.RedumpLib/Data/Enumerations.cs
index 0afe731..062c222 100644
--- a/SabreTools.RedumpLib/Data/Enumerations.cs
+++ b/SabreTools.RedumpLib/Data/Enumerations.cs
@@ -2008,6 +2008,9 @@ public enum RedumpSystem
         [System(Category = SystemCategory.DiscBasedConsole, LongName = "Philips CD-i", ShortName = "cdi", HasCues = true, HasDat = true)]
         PhilipsCDi,
 
+        [System(Category = SystemCategory.DiscBasedConsole, Available = false, LongName = "Playmaji Polymega")]
+        PlaymajiPolymega,
+
         [System(Category = SystemCategory.DiscBasedConsole, Available = false, LongName = "Pioneer LaserActive")]
         PioneerLaserActive,
 
diff --git a/SabreTools.RedumpLib/Data/Extensions.cs b/SabreTools.RedumpLib/Data/Extensions.cs
index e295f78..47cfaff 100644
--- a/SabreTools.RedumpLib/Data/Extensions.cs
+++ b/SabreTools.RedumpLib/Data/Extensions.cs
@@ -159,6 +159,12 @@ public static class Extensions
                     types.Add(MediaType.CDROM);
                     break;
 
+                // https://en.wikipedia.org/wiki/Polymega
+                case RedumpSystem.PlaymajiPolymega:
+                    types.Add(MediaType.CDROM);
+                    types.Add(MediaType.DVD);
+                    break;
+
                 // https://en.wikipedia.org/wiki/LaserActive
                 case RedumpSystem.PioneerLaserActive:
                     types.Add(MediaType.CDROM);