diff --git a/AUTHORS b/AUTHORS
index f85c823e..cbd5ae26 100644
--- a/AUTHORS
+++ b/AUTHORS
@@ -17,3 +17,4 @@ Starbeamrainbowlabs <contact@starbeamrainbowlabs.com>
 Alexander Roper <minirop@gmail.com>
 Will Speak <will@willspeak.me>
 Damien Radtke <damienradtke@gmail.com>
+Max Ferguson <maxxferguson@gmail.com>
diff --git a/src/vm/wren_core.c b/src/vm/wren_core.c
index 4f91d3ca..28f3cafc 100644
--- a/src/vm/wren_core.c
+++ b/src/vm/wren_core.c
@@ -239,6 +239,41 @@ DEF_PRIMITIVE(list_new)
   RETURN_OBJ(wrenNewList(vm, 0));
 }
 
+//creates a new list of size args[1], with all elements initilized to null
+DEF_PRIMITIVE(list_newWithSize)
+{
+  if(!validateInt(vm, args[1], "Size")) return false;
+
+  uint32_t size = (uint32_t)AS_NUM(args[1]);
+  ObjList* list = wrenNewList(vm, size);
+
+  for(uint32_t i=0; i < size; i++)
+  {
+    list->elements.data[i] = NULL_VAL;
+  }
+
+  RETURN_OBJ(list);
+}
+
+
+//creates a new list of size args[1], with all elements initilized to args[2]
+DEF_PRIMITIVE(list_newWithSizeDefault)
+{
+  if(!validateInt(vm, args[1], "Size")) return false;
+
+  uint32_t size = (uint32_t)AS_NUM(args[1]);
+
+  ObjList* list = wrenNewList(vm, size);
+
+  for(uint32_t i=0; i < size; i++)
+  {
+    list->elements.data[i] = args[2];
+  }
+
+  RETURN_OBJ(list);
+}
+
+
 DEF_PRIMITIVE(list_add)
 {
   wrenValueBufferWrite(vm, &AS_LIST(args[0])->elements, args[1]);
@@ -1274,6 +1309,8 @@ void wrenInitializeCore(WrenVM* vm)
 
   vm->listClass = AS_CLASS(wrenFindVariable(vm, coreModule, "List"));
   PRIMITIVE(vm->listClass->obj.classObj, "new()", list_new);
+  PRIMITIVE(vm->listClass->obj.classObj, "new(_)", list_newWithSize);
+  PRIMITIVE(vm->listClass->obj.classObj, "filled(_,_)", list_newWithSizeDefault);
   PRIMITIVE(vm->listClass, "[_]", list_subscript);
   PRIMITIVE(vm->listClass, "[_]=(_)", list_subscriptSetter);
   PRIMITIVE(vm->listClass, "add(_)", list_add);
diff --git a/test/core/list/new_extra_args.wren b/test/core/list/new_extra_args.wren
new file mode 100644
index 00000000..1fc236e9
--- /dev/null
+++ b/test/core/list/new_extra_args.wren
@@ -0,0 +1,8 @@
+var list = List.new(5)
+
+System.print(list.count) // expect: 5
+System.print(list) // expect: [null, null, null, null, null]
+
+var list2 = List.filled(5, 2)
+System.print(list2.count) // expect: 5
+System.print(list2) // expect: [2, 2, 2, 2, 2]