diff --git a/code/__defines/belly_modes_vr.dm b/code/__defines/belly_modes_vr.dm
index e6f072ca0c..c85550b991 100644
--- a/code/__defines/belly_modes_vr.dm
+++ b/code/__defines/belly_modes_vr.dm
@@ -29,9 +29,10 @@
 #define DM_TRANSFORM_FEMALE_EGG						"Transform (Female) (EGG)"
 
 //Addon mode flags
-#define DM_FLAG_NUMBING		0x1
-#define DM_FLAG_ITEMWEAK	0x2
-#define DM_FLAG_STRIPPING	0x4
+#define DM_FLAG_NUMBING			0x1
+#define DM_FLAG_STRIPPING		0x2
+#define DM_FLAG_LEAVEREMAINS	0x4	//TFF 30/4/19: Ports VoreStation Remains Option - new belly mode
+#define DM_FLAG_ITEMWEAK		0x8
 
 // Stance for hostile mobs to be in while devouring someone.
 #define HOSTILE_STANCE_EATING	99
diff --git a/code/__defines/mobs_vr.dm b/code/__defines/mobs_vr.dm
index 2e3f8b0760..1ed0f361a0 100644
--- a/code/__defines/mobs_vr.dm
+++ b/code/__defines/mobs_vr.dm
@@ -27,3 +27,10 @@
 #define SPECIES_ZORREN_FLAT		"Flatland Zorren"
 #define SPECIES_ZORREN_HIGH		"Highlander Zorren"
 #define SPECIES_CUSTOM			"Custom Species"
+
+//TFF 30/4/19: Ports VoreStation Remains Option - new mob defines
+
+#define SPECIES_MONKEY_AKULA		"Sobaka"
+#define SPECIES_MONKEY_NEVREAN		"Sparra"
+#define SPECIES_MONKEY_SERGAL		"Saru"
+#define SPECIES_MONKEY_VULPKANIN	"Wolpin"