diff --git a/Cart_Reader/MD.ino b/Cart_Reader/MD.ino
index c50047a..13dbf07 100644
--- a/Cart_Reader/MD.ino
+++ b/Cart_Reader/MD.ino
@@ -763,6 +763,18 @@ void getCartInfo_MD() {
         break;
     }
   }
+  if (cartSize == 0x100000) {
+    switch (chksum) {
+      case 0xCDF5:  //Life on Mars (Aftermarket).md
+        cartSize = 0x400000;
+        chksum = 0x603A;
+        break;
+      case 0xF85F:  //Metal Dragon (Aftermarket).md
+        cartSize = 0x200000;
+        chksum = 0x6965;
+        break;
+    }
+  }
   if (cartSize == 0xC0000) {
     switch (chksum) {
       case 0x9D79:  //Wonder Boy in Monster World (USA, Europe).md
@@ -804,12 +816,12 @@ void getCartInfo_MD() {
     }
   }
 
-  // Beggar Prince rev.1 Check
+  // Beggar Prince (Rev 1)(Aftermarket).md
   if (!strncmp("SF-001", id, 6) && (chksum == 0x3E08)) {
     cartSize = 0x400000;
   }
 
-  // Legend of Wukong Check
+  // Legend of Wukong (Aftermarket).md
   if (!strncmp("SF-002", id, 6) && (chksum == 0x12B0)) {
     chksum = 0x45C6;
   }
diff --git a/sd/md.txt b/sd/md.txt
index 06694b4..359d9b1 100644
--- a/sd/md.txt
+++ b/sd/md.txt
@@ -1549,6 +1549,9 @@ Curse of Illmoore Bay, The (World) (Demo 1) (Aftermarket) (Unl).md
 Curse of Illmoore Bay, The (World) (Aftermarket) (Unl).md
 7AD106C0
 
+Cursed Knight, The (Europe) (En,Fr) (Aftermarket) (Unl).md
+573F195B
+
 Cursed Knight, The (World) (v2.1) (Demo) (Aftermarket) (Unl).md
 6F31E5B4
 
@@ -3451,6 +3454,9 @@ LHX Attack Chopper (USA, Europe).md
 Liberty or Death (USA).md
 2ADB0364
 
+Life on Mars (World) (Aftermarket) (Unl).md
+FD214116
+
 Light Crusader (Europe) (En,Fr,De,Es).md
 52C7252B
 
@@ -3829,6 +3835,9 @@ DFD4FE49
 Metal Blast 2277 (World) (Beta) (Aftermarket) (Unl).md
 0DE1117F
 
+Metal Dragon (World) (Aftermarket) (Unl).md
+9536280F
+
 Metal Fangs (Japan).md
 A8DF1C4C