diff --git a/src/mercury_engine_data_structures/formats/collision.py b/src/mercury_engine_data_structures/formats/collision.py
index d7874aac..bc232f82 100644
--- a/src/mercury_engine_data_structures/formats/collision.py
+++ b/src/mercury_engine_data_structures/formats/collision.py
@@ -49,6 +49,11 @@
         value4=Float,
         value5=Float,
     ),
+    "OBOX2D": Struct(
+        position=CVector3D,
+        angle=Float,
+        size=CVector2D,
+    ),
     "POLYCOLLECTION2D": Struct(
         position=CVector3D,
         polys=make_vector(CollisionPoly),
diff --git a/tests/formats/test_collision.py b/tests/formats/test_collision.py
new file mode 100644
index 00000000..25d9b483
--- /dev/null
+++ b/tests/formats/test_collision.py
@@ -0,0 +1,53 @@
+
+import pytest
+from tests.test_lib import parse_build_compare_editor_parsed
+
+from mercury_engine_data_structures import dread_data, samus_returns_data
+from mercury_engine_data_structures.formats.bmscc import Bmscc
+
+sr_missing_cc = [
+    "maps/levels/c10_samus/s901_alpha/s901_alpha.bmscc",
+    "maps/levels/c10_samus/s902_gamma/s902_gamma.bmscc",
+    "maps/levels/c10_samus/s903_zeta/s903_zeta.bmscc",
+    "maps/levels/c10_samus/s904_omega/s904_omega.bmscc",
+    "maps/levels/c10_samus/s905_arachnus/s905_arachnus.bmscc",
+    "maps/levels/c10_samus/s905_queen/s905_queen.bmscc",
+    "maps/levels/c10_samus/s906_metroid/s906_metroid.bmscc",
+    "maps/levels/c10_samus/s907_manicminerbot/s907_manicminerbot.bmscc",
+    "maps/levels/c10_samus/s908_manicminerbotrun/s908_manicminerbotrun.bmscc",
+    "maps/levels/c10_samus/s909_ridley/s909_ridley.bmscc",
+    "maps/levels/c10_samus/s910_gym/s910_gym.bmscc",
+    "maps/levels/c10_samus/s911_swarmgym/s911_swarmgym.bmscc",
+    "maps/levels/c10_samus/s920_traininggallery/s920_traininggallery.bmscc"
+]
+
+sr_missing_cd = [
+    "actors/props/doorcreatureleft/collisions/doorcreatureleft.bmscd",
+    "actors/props/grapplemovable4x1/collisions/grapplemovable4x1.bmscd",
+    "actors/props/ridleyclouds/collisions/ridleyclouds.bmscd",
+    "actors/props/spenergybestowalstatue/collisions/spenergybestowalstatue.bmscd",
+    "actors/props/unlockarea/collisions/unlockarea.bmscd",
+    "maps/levels/c10_samus/s901_alpha/s901_alpha.bmscd",
+    "maps/levels/c10_samus/s902_gamma/s902_gamma.bmscd",
+    "maps/levels/c10_samus/s903_zeta/s903_zeta.bmscd",
+    "maps/levels/c10_samus/s904_omega/s904_omega.bmscd",
+    "maps/levels/c10_samus/s905_arachnus/s905_arachnus.bmscd",
+    "maps/levels/c10_samus/s905_queen/s905_queen.bmscd",
+    "maps/levels/c10_samus/s906_metroid/s906_metroid.bmscd",
+    "maps/levels/c10_samus/s907_manicminerbot/s907_manicminerbot.bmscd",
+    "maps/levels/c10_samus/s908_manicminerbotrun/s908_manicminerbotrun.bmscd",
+    "maps/levels/c10_samus/s909_ridley/s909_ridley.bmscd",
+    "maps/levels/c10_samus/s910_gym/s910_gym.bmscd",
+    "maps/levels/c10_samus/s911_swarmgym/s911_swarmgym.bmscd",
+    "maps/levels/c10_samus/s920_traininggallery/s920_traininggallery.bmscd"
+]
+
+@pytest.mark.parametrize("file_path", dread_data.all_files_ending_with(".bmscc")
+                         + dread_data.all_files_ending_with(".bmscd"))
+def test_compare_dread(dread_file_tree, file_path):
+    parse_build_compare_editor_parsed(Bmscc, dread_file_tree, file_path)
+
+@pytest.mark.parametrize("file_path", samus_returns_data.all_files_ending_with(".bmscc", sr_missing_cc)
+                         + samus_returns_data.all_files_ending_with(".bmscd", sr_missing_cd))
+def test_compare_msr(samus_returns_tree, file_path):
+    parse_build_compare_editor_parsed(Bmscc, samus_returns_tree, file_path)