diff --git a/src/mercury_engine_data_structures/formats/bmsad.py b/src/mercury_engine_data_structures/formats/bmsad.py
index e25d9d75..aed93322 100644
--- a/src/mercury_engine_data_structures/formats/bmsad.py
+++ b/src/mercury_engine_data_structures/formats/bmsad.py
@@ -69,7 +69,7 @@ def find_charclass_for_type(type_name: str):
         return as_char
 
     return find_charclass_for_type(
-        type_lib.get_parent_for(type_name),
+        type_lib.get_parent_for(Game.DREAD, type_name),
     )
 
 
@@ -124,7 +124,7 @@ def DreadDependencies():
 
     def component_type(this):
         for component_type in component_dependencies.keys():
-            if type_lib.is_child_of(this.type, component_type):
+            if type_lib.is_child_of(Game.DREAD, this.type, component_type):
                 return component_type
         return None
 
@@ -165,7 +165,7 @@ def component_type(this):
         )
     ),
     extra_fields=construct.If(
-        lambda this: type_lib.is_child_of(this.type, "CComponent"),
+        lambda this: type_lib.is_child_of(Game.DREAD, this.type, "CComponent"),
         ExtraFields,
     ),
     functions=Functions,
diff --git a/src/mercury_engine_data_structures/formats/bmsld.py b/src/mercury_engine_data_structures/formats/bmsld.py
index e5ec17a4..830d5c1d 100644
--- a/src/mercury_engine_data_structures/formats/bmsld.py
+++ b/src/mercury_engine_data_structures/formats/bmsld.py
@@ -1,3 +1,4 @@
+from typing import Iterator
 import construct
 from construct import Array, Const, Construct, Flag, Float32l, Hex, Int32ul, Struct
 
@@ -172,3 +173,13 @@ class Bmsld(BaseResource):
     @classmethod
     def construct_class(cls, target_game: Game) -> Construct:
         return BMSLD
+
+    def all_actor_groups(self) -> Iterator[str]:
+        for area in self.raw.sub_areas:
+            yield area.name
+
+    def is_actor_in_group(self, group_name: str, actor_name: str, layer_name: str = "default") -> bool:
+        generator = (area for area in self.raw.sub_areas if area.name == group_name)
+        for area in generator:
+            return actor_name in area.names
+        return False
diff --git a/src/mercury_engine_data_structures/formats/standard_format.py b/src/mercury_engine_data_structures/formats/standard_format.py
index 6627130b..aced8362 100644
--- a/src/mercury_engine_data_structures/formats/standard_format.py
+++ b/src/mercury_engine_data_structures/formats/standard_format.py
@@ -4,6 +4,7 @@
 
 from mercury_engine_data_structures import type_lib
 from mercury_engine_data_structures.formats.property_enum import PropertyEnum
+from mercury_engine_data_structures.game_check import Game
 
 
 def create(name: str, version: int, root_name: Optional[str] = None, explicit_root: bool = False):
@@ -14,10 +15,10 @@ def create(name: str, version: int, root_name: Optional[str] = None, explicit_ro
         root = construct.FocusedSeq(
             "root",
             "type" / construct.Rebuild(PropertyEnum, name),
-            "root" / type_lib.GetTypeConstruct(lambda this: this._.type)
+            "root" / type_lib.GetTypeConstruct(Game.DREAD, lambda this: this._.type)
         )
     else:
-        root = type_lib.get_type(root_name).construct
+        root = type_lib.get_type(Game.DREAD, root_name).construct
 
     result = construct.Struct(
         _class_crc=construct.Const(name, PropertyEnum),
diff --git a/src/mercury_engine_data_structures/samus_returns_data.py b/src/mercury_engine_data_structures/samus_returns_data.py
index 07aca980..62e9e274 100644
--- a/src/mercury_engine_data_structures/samus_returns_data.py
+++ b/src/mercury_engine_data_structures/samus_returns_data.py
@@ -11,7 +11,9 @@
 
 @functools.lru_cache
 def get_raw_types() -> Dict[str, typing.Any]:
-    raise NotImplementedError()
+    path = Path(__file__).parent.joinpath("samus_returns_types.json")
+    with path.open() as f:
+        return json.load(f)
 
 
 @functools.lru_cache
diff --git a/src/mercury_engine_data_structures/samus_returns_types.json b/src/mercury_engine_data_structures/samus_returns_types.json
index 761f4e1f..39257118 100644
--- a/src/mercury_engine_data_structures/samus_returns_types.json
+++ b/src/mercury_engine_data_structures/samus_returns_types.json
@@ -1347,5 +1347,67 @@
         "kind":"struct",
         "parent": "CZetaAttack",
         "fields": {}
+    },
+    "ProperActor": {
+        "kind": "struct",
+        "parent": "CGameObject",
+        "fields": {
+            "type": "base::global::StrId",
+            "x": "float",
+            "y": "float",
+            "z": "float",
+            "unk05": "unsigned",
+            "unk06": "unsigned",
+            "unk07": "unsigned",
+            "components": "base::global::CRntVector<Component>"
+        }
+    },
+    "CGameObject": {
+        "kind": "struct",
+        "parent": "base::core::CBaseObject",
+        "fields": {}
+    },
+    "Component": {
+        "kind": "struct",
+        "parent": "CGameObject",
+        "fields": {
+            "component_type": "base::global::StrId",
+            "command": "base::global::StrId",
+            "arguments": "base::global::CRntVector<FunctionArgument>"
+        }
+    },
+    "FunctionArgument": {
+        "kind": "struct",
+        "parent": "CGameObject",
+        "fields": {
+            "type": "base::global::StrId",
+            "value": "base::global::StrId"
+        }
+    },
+    "base::global::StrId": {
+        "kind": "primitive",
+        "primitive_kind": "string"
+    },
+    "base::core::CBaseObject": {
+        "kind": "struct",
+        "parent": null,
+        "fields": {}
+    },
+    "base::global::CRntVector<Component>": {
+        "kind": "vector",
+        "value_type": "Component"
+    },
+
+    "base::global::CRntVector<FunctionArgument>": {
+        "kind": "vector",
+        "value_type": "FunctionArgument"
+    },
+    "float": {
+        "kind": "primitive",
+        "primitive_kind": "float"
+    },
+    "unsigned": {
+        "kind": "primitive",
+        "primitive_kind": "uint"
     }
 }
diff --git a/src/mercury_engine_data_structures/sr_resource_names.json b/src/mercury_engine_data_structures/sr_resource_names.json
index f7c258a6..19b0df09 100644
--- a/src/mercury_engine_data_structures/sr_resource_names.json
+++ b/src/mercury_engine_data_structures/sr_resource_names.json
@@ -11613,7 +11613,7 @@
     "packs/cutscenes/intrometroidboss_discardables.pkg": 1759505438,
     "packs/cutscenes/intrometroidlarvasurface.pkg": 366587959,
     "packs/cutscenes/intrometroidlarvasurface_discardables.pkg": 4046021773,
-    "packs/cutscenes/introomega.pkg": 723017427,
+    "packs/cutscenes/introomega.pkg": 3477018848,
     "packs/cutscenes/introomega_discardables.pkg": 682647711,
     "packs/cutscenes/introqueen.pkg": 803003252,
     "packs/cutscenes/introqueen_discardables.pkg": 2787700573,
diff --git a/src/mercury_engine_data_structures/type_lib.py b/src/mercury_engine_data_structures/type_lib.py
index 3b8f7b9d..560a16d6 100644
--- a/src/mercury_engine_data_structures/type_lib.py
+++ b/src/mercury_engine_data_structures/type_lib.py
@@ -10,6 +10,8 @@
 import construct
 
 from mercury_engine_data_structures import dread_data
+from mercury_engine_data_structures import samus_returns_data
+from mercury_engine_data_structures.game_check import Game, is_dread
 
 # from mercury_engine_data_structures.construct_extensions.misc import ErrorWithMessage
 
@@ -203,47 +205,48 @@ def decode_type(name: str, data: dict) -> BaseType:
 
 
 @functools.lru_cache
-def all_types() -> Dict[str, BaseType]:
+def all_types(game: Game) -> Dict[str, BaseType]:
+    data = dread_data if is_dread(game) else samus_returns_data
     return {
         name: decode_type(name, data)
-        for name, data in dread_data.get_raw_types().items()
+        for name, data in data.get_raw_types().items()
     }
 
 
 @functools.lru_cache
-def all_constructs() -> Dict[str, construct.Construct]:
+def all_constructs(game: Game) -> Dict[str, construct.Construct]:
     return {
         name: type.construct
-        for name, type in all_types().items()
+        for name, type in all_types(game).items()
     }
 
 
-def get_type(type_name: str, *, follow_typedef: bool = True) -> BaseType:
-    result = all_types()[type_name]
+def get_type(game: Game, type_name: str, *, follow_typedef: bool = True) -> BaseType:
+    result = all_types(game)[type_name]
 
     if follow_typedef and result.kind == TypeKind.TYPEDEF:
         assert isinstance(result, TypedefType)
-        return get_type(result.alias, follow_typedef=follow_typedef)
+        return get_type(game, result.alias, follow_typedef=follow_typedef)
 
     return result
 
 
-def GetTypeConstruct(keyfunc, follow_typedef: bool = True) -> construct.Construct:
+def GetTypeConstruct(game: Game, keyfunc, follow_typedef: bool = True) -> construct.Construct:
     return construct.FocusedSeq(
         "switch",
         "key" / construct.Computed(keyfunc),
-        "type" / construct.Computed(lambda this: get_type(this.key, follow_typedef=follow_typedef).name),
+        "type" / construct.Computed(lambda this: get_type(game, this.key, follow_typedef=follow_typedef).name),
         "switch" / construct.Switch(
             lambda this: this.type,
-            all_constructs(),
+            all_constructs(game),
             construct.Error
             # ErrorWithMessage(lambda this: f"Unknown type: {this.type}", construct.SwitchError)
         )
     )
 
 
-def get_parent_for(type_name: str) -> Optional[str]:
-    data = get_type(type_name)
+def get_parent_for(game: Game, type_name: str) -> Optional[str]:
+    data = get_type(game, type_name)
 
     if data.kind == TypeKind.STRUCT:
         assert isinstance(data, StructType)
@@ -252,7 +255,7 @@ def get_parent_for(type_name: str) -> Optional[str]:
     return None
 
 
-def is_child_of(type_name: Optional[str], parent_name: str) -> bool:
+def is_child_of(game: Game, type_name: Optional[str], parent_name: str) -> bool:
     """
     Checks if the type_name is a direct or indirect child of the type parent_name
     """
@@ -262,24 +265,24 @@ def is_child_of(type_name: Optional[str], parent_name: str) -> bool:
     if type_name is None:
         return False
 
-    return is_child_of(get_parent_for(type_name), parent_name)
+    return is_child_of(game, get_parent_for(game, type_name), parent_name)
 
 
 @functools.lru_cache
-def all_direct_children() -> Dict[str, Set[str]]:
+def all_direct_children(game: Game) -> Dict[str, Set[str]]:
     """
     Returns a mapping of type names to all their direct children.
     """
     result = collections.defaultdict(set)
 
-    for type_name in all_types().keys():
-        if (parent := get_parent_for(type_name)) is not None:
+    for type_name in all_types(game).keys():
+        if (parent := get_parent_for(game, type_name)) is not None:
             result[parent].add(type_name)
 
     return dict(result)
 
 
-def get_all_children_for(type_name: str) -> Set[str]:
+def get_all_children_for(game: Game, type_name: str) -> Set[str]:
     """
     Get all direct and indirect children for a given type.
     """
@@ -293,6 +296,6 @@ def get_all_children_for(type_name: str) -> Set[str]:
             continue
         result.add(next_type)
 
-        types_to_check.update(all_direct_children().get(next_type, set()))
+        types_to_check.update(all_direct_children(game).get(next_type, set()))
 
     return result