diff --git a/src/mercury_engine_data_structures/formats/__init__.py b/src/mercury_engine_data_structures/formats/__init__.py
index 40b95070..39b9ca83 100644
--- a/src/mercury_engine_data_structures/formats/__init__.py
+++ b/src/mercury_engine_data_structures/formats/__init__.py
@@ -15,6 +15,7 @@
 from mercury_engine_data_structures.formats.bmsld import Bmsld
 from mercury_engine_data_structures.formats.bmslgroup import Bmslgroup
 from mercury_engine_data_structures.formats.bmslink import Bmslink
+from mercury_engine_data_structures.formats.bmsmd import Bmsmd
 from mercury_engine_data_structures.formats.bmsmsd import Bmsmsd
 from mercury_engine_data_structures.formats.bmsnav import Bmsnav
 from mercury_engine_data_structures.formats.bmssd import Bmssd
@@ -57,6 +58,7 @@
     "BMSNAV": Bmsnav,
     "BMSLGROUP": Bmslgroup,
     "BMSLINK": Bmslink,
+    "BMSMD": Bmsmd,
     "BMTRE": Bmtre,
     "BRSA": Brsa,
     "BREM": Brem,
diff --git a/src/mercury_engine_data_structures/formats/bmsmd.py b/src/mercury_engine_data_structures/formats/bmsmd.py
new file mode 100644
index 00000000..488725cc
--- /dev/null
+++ b/src/mercury_engine_data_structures/formats/bmsmd.py
@@ -0,0 +1,49 @@
+import functools
+
+from construct.core import (
+    Array,
+    Const,
+    Construct,
+    Float32l,
+    Hex,
+    Int32sl,
+    Int32ul,
+    Struct,
+)
+
+from mercury_engine_data_structures.common_types import StrId, make_vector
+from mercury_engine_data_structures.formats import BaseResource
+from mercury_engine_data_structures.game_check import Game
+
+BMSMD = Struct(
+    "_magic" / Const(b"MSMD"),
+    "version" / Const(0x000D0001, Hex(Int32ul)),
+    "map_data" / make_vector(Struct(
+        "icon" / StrId,
+        "scenarios" / make_vector(Struct(
+            "name" / StrId,
+            "unk1" / Hex(Int32ul),
+            "unk2" / Hex(Int32ul),
+            "unk3" / Hex(Int32ul),
+            "unk4" / Hex(Int32ul),
+            "unk5" / Hex(Int32ul),
+            "unk6" / Hex(Int32ul),
+            "number_of_tiles" / Int32ul,
+            "unk7" / Hex(Int32ul),
+            "unk8" / Hex(Int32ul),
+            "coordinates" / Array(2, Int32ul),
+            "sub_scenarios" / make_vector(Struct(
+                "name" / StrId,
+                "unk1" / Float32l,
+                "unk2" / Float32l,
+                "coordinates" / Array(2, Int32sl),
+            )),
+        )),
+    )),
+)
+
+class Bmsmd(BaseResource):
+    @classmethod
+    @functools.lru_cache
+    def construct_class(cls, target_game: Game) -> Construct:
+        return BMSMD
diff --git a/tests/formats/test_bmsmd.py b/tests/formats/test_bmsmd.py
new file mode 100644
index 00000000..09b9c52d
--- /dev/null
+++ b/tests/formats/test_bmsmd.py
@@ -0,0 +1,9 @@
+from tests.test_lib import parse_build_compare_editor
+
+from mercury_engine_data_structures.formats.bmsmd import Bmsmd
+
+
+def test_bmsmd(samus_returns_tree):
+    parse_build_compare_editor(
+        Bmsmd, samus_returns_tree, r"gui/minimaps/c10_samus.bmsmd"
+    )