diff --git a/__init__.py b/__init__.py
index 1a67b17..b18a007 100644
--- a/__init__.py
+++ b/__init__.py
@@ -26,6 +26,7 @@ from .fast64_internal.oot.actor.properties import initOOTActorProperties
 from .fast64_internal.utility_anim import utility_anim_register, utility_anim_unregister, ArmatureApplyWithMeshOperator
 
 from .fast64_internal.mk64 import MK64_Properties, mk64_register, mk64_unregister
+from .fast64_internal.mk64.mk64_constants import mk64_world_defaults
 
 from .fast64_internal.f3d.f3d_material import (
     F3D_MAT_CUR_VERSION,
@@ -392,6 +393,9 @@ def set_game_defaults(scene: bpy.types.Scene, set_ucode=True):
     if scene.gameEditorMode == "SM64":
         f3d_type = "F3D"
         world_defaults = sm64_world_defaults
+    elif scene.gameEditorMode == "MK64":
+        f3d_type = "F3DEX"
+        world_defaults = mk64_world_defaults
     elif scene.gameEditorMode == "OOT":
         f3d_type = "F3DEX2/LX2"
         world_defaults = oot_world_defaults
diff --git a/fast64_internal/f3d/f3d_material_presets.py b/fast64_internal/f3d/f3d_material_presets.py
index 2a9c26a..da4c7f6 100644
--- a/fast64_internal/f3d/f3d_material_presets.py
+++ b/fast64_internal/f3d/f3d_material_presets.py
@@ -6444,4 +6444,23 @@ material_presets = {
         "sm64_vertex_colored_texture": sm64_vertex_colored_texture,
         "sm64_vertex_colored_texture_transparent": sm64_vertex_colored_texture_transparent,
     },
+    "mk64": {
+        "shaded_environment_mapped": shaded_environment_mapped,
+        "shaded_environment_mapped_transparent": shaded_environment_mapped_transparent,
+        "shaded_multitexture_lerp": shaded_multitexture_lerp,
+        "shaded_multitexture_lerp_transparent": shaded_multitexture_lerp_transparent,
+        "shaded_solid": shaded_solid,
+        "shaded_multitexture_lerp_transparent_vertex_alpha": shaded_multitexture_lerp_transparent_vertex_alpha,
+        "shaded_solid_transparent": shaded_solid_transparent,
+        "shaded_texture": shaded_texture,
+        "shaded_texture_cutout": shaded_texture_cutout,
+        "shaded_texture_transparent": shaded_texture_transparent,
+        "shaded_texture_transparent_vertex_alpha": shaded_texture_transparent_vertex_alpha,
+        "unlit_texture": unlit_texture,
+        "unlit_texture_cutout": unlit_texture_cutout,
+        "unlit_texture_transparent": unlit_texture_transparent,
+        "vertex_colored_texture": vertex_colored_texture,
+        "vertex_colored_texture_cutout": vertex_colored_texture_cutout,
+        "vertex_colored_texture_transparent": vertex_colored_texture_transparent,
+    },
 }
diff --git a/fast64_internal/mk64/mk64_constants.py b/fast64_internal/mk64/mk64_constants.py
new file mode 100644
index 0000000..e625c2d
--- /dev/null
+++ b/fast64_internal/mk64/mk64_constants.py
@@ -0,0 +1,16 @@
+mk64_world_defaults = {
+    "geometryMode": {
+        "zBuffer": True,
+        "shade": True,
+        "cullBack": True,
+        "lighting": True,
+        "shadeSmooth": True,
+    },
+    "otherModeH": {
+        "alphaDither": "G_AD_NOISE",
+        "textureFilter": "G_TF_BILERP",
+        "perspectiveCorrection": "G_TP_PERSP",
+        "textureConvert": "G_TC_FILT",
+        "cycleType": "G_CYC_2CYCLE",
+    },
+}