diff --git a/data/behavior_data.c b/data/behavior_data.c
index 7ddcc9afa..6b7b03055 100644
--- a/data/behavior_data.c
+++ b/data/behavior_data.c
@@ -839,7 +839,6 @@ const BehaviorScript bhvWfRotatingWoodenPlatform[] = {
     LOAD_COLLISION_DATA(wf_seg7_collision_clocklike_rotation),
     BEGIN_LOOP(),
         CALL_NATIVE(bhv_wf_rotating_wooden_platform_loop),
-        CALL_NATIVE(load_object_collision_model),
     END_LOOP(),
 };
 
@@ -1749,7 +1748,6 @@ const BehaviorScript bhvWfSlidingTowerPlatform[] = {
     LOAD_COLLISION_DATA(wf_seg7_collision_platform),
     BEGIN_LOOP(),
         CALL_NATIVE(bhv_wf_sliding_tower_platform_loop),
-        CALL_NATIVE(load_object_collision_model),
     END_LOOP(),
 };
 
@@ -1771,7 +1769,6 @@ const BehaviorScript bhvWfSolidTowerPlatform[] = {
     LOAD_COLLISION_DATA(wf_seg7_collision_platform),
     BEGIN_LOOP(),
         CALL_NATIVE(bhv_wf_solid_tower_platform_loop),
-        CALL_NATIVE(load_object_collision_model),
     END_LOOP(),
 };
 
@@ -2699,7 +2696,6 @@ const BehaviorScript bhvLllBowserPuzzlePiece[] = {
     SET_FLOAT(oCollisionDistance, 3000),
     BEGIN_LOOP(),
         CALL_NATIVE(bhv_lll_bowser_puzzle_piece_loop),
-        CALL_NATIVE(load_object_collision_model),
     END_LOOP(),
 };
 
@@ -4639,7 +4635,6 @@ const BehaviorScript bhvSmallBomp[] = {
     CALL_NATIVE(bhv_small_bomp_init),
     BEGIN_LOOP(),
         CALL_NATIVE(bhv_small_bomp_loop),
-        CALL_NATIVE(load_object_collision_model),
     END_LOOP(),
 };
 
@@ -4651,7 +4646,6 @@ const BehaviorScript bhvLargeBomp[] = {
     CALL_NATIVE(bhv_large_bomp_init),
     BEGIN_LOOP(),
         CALL_NATIVE(bhv_large_bomp_loop),
-        CALL_NATIVE(load_object_collision_model),
     END_LOOP(),
 };
 
@@ -4663,7 +4657,6 @@ const BehaviorScript bhvWfSlidingPlatform[] = {
     CALL_NATIVE(bhv_wf_sliding_platform_init),
     BEGIN_LOOP(),
         CALL_NATIVE(bhv_wf_sliding_platform_loop),
-        CALL_NATIVE(load_object_collision_model),
     END_LOOP(),
 };
 
@@ -6567,7 +6560,6 @@ const BehaviorScript bhvDDDPole[] = {
     SET_FLOAT(oDDDPoleVel, 10),
     BEGIN_LOOP(),
         CALL_NATIVE(bhv_ddd_pole_update),
-        CALL_NATIVE(bhv_pole_base_loop),
     END_LOOP(),
 };
 
diff --git a/include/types.h b/include/types.h
index d06a0503b..85151adf8 100644
--- a/include/types.h
+++ b/include/types.h
@@ -230,6 +230,7 @@ struct Object
     /*?????*/ enum AreaTimerType areaTimerType;
     /*?????*/ u32 areaTimer;
     /*?????*/ u32 areaTimerDuration;
+    /*?????*/ void (*areaTimerRunOnceCallback)(void);
     /*?????*/ u8 globalPlayerIndex;
 };
 
diff --git a/src/engine/behavior_script.c b/src/engine/behavior_script.c
index bf63c7359..dd245d14a 100644
--- a/src/engine/behavior_script.c
+++ b/src/engine/behavior_script.c
@@ -955,7 +955,7 @@ void cur_obj_update(void) {
     if (gCurrentObject->areaTimerType != AREA_TIMER_TYPE_NONE) {
         // make sure the area is valid
         if (gNetworkPlayerLocal == NULL || !gNetworkPlayerLocal->currAreaSyncValid) {
-            return;
+            goto cur_obj_update_end;
         }
 
         // catch up the timer in total loop increments
@@ -984,7 +984,7 @@ void cur_obj_update(void) {
 
         // cancel object update if it's running faster than the timer
         if (gCurrentObject->areaTimer > gNetworkAreaTimer) {
-            return;
+            goto cur_obj_update_end;
         }
     }
 
@@ -1098,6 +1098,14 @@ cur_obj_update_begin:;
             goto cur_obj_update_begin;
         }
     }
+
+    // call the network area timer's run-once callback
+cur_obj_update_end:;
+    if (gCurrentObject->areaTimerType != AREA_TIMER_TYPE_NONE) {
+        if (gCurrentObject->areaTimerRunOnceCallback != NULL) {
+            gCurrentObject->areaTimerRunOnceCallback();
+        }
+    }
 }
 
 u16 position_based_random_u16(void) {
diff --git a/src/engine/surface_load.c b/src/engine/surface_load.c
index 947f1ab45..e575c4188 100644
--- a/src/engine/surface_load.c
+++ b/src/engine/surface_load.c
@@ -762,11 +762,6 @@ void load_object_surfaces(s16** data, s16* vertexData) {
  * Transform an object's vertices, reload them, and render the object.
  */
 void load_object_collision_model(void) {
-    if (gCurrentObject->areaTimerType != AREA_TIMER_TYPE_NONE) {
-        // only load collision model on last frame
-        if (!cur_obj_is_last_nat_update_per_frame()) { return; }
-    }
-
     UNUSED s32 unused;
     s16 vertexData[600];
 
diff --git a/src/game/behaviors/bomp.inc.c b/src/game/behaviors/bomp.inc.c
index 3b725a0ae..e5783bced 100644
--- a/src/game/behaviors/bomp.inc.c
+++ b/src/game/behaviors/bomp.inc.c
@@ -7,6 +7,7 @@ void bhv_small_bomp_init(void) {
     o->areaTimerType = AREA_TIMER_TYPE_LOOP;
     o->areaTimer = 0;
     o->areaTimerDuration = 168;
+    o->areaTimerRunOnceCallback = load_object_collision_model;
 }
 
 void bhv_small_bomp_loop(void) {
@@ -66,6 +67,7 @@ void bhv_large_bomp_init(void) {
     o->areaTimerType = AREA_TIMER_TYPE_LOOP;
     o->areaTimer = 0;
     o->areaTimerDuration = 168;
+    o->areaTimerRunOnceCallback = load_object_collision_model;
 }
 
 void bhv_large_bomp_loop(void) {
diff --git a/src/game/behaviors/bowser_puzzle_piece.inc.c b/src/game/behaviors/bowser_puzzle_piece.inc.c
index f151435ae..f4b00352a 100644
--- a/src/game/behaviors/bowser_puzzle_piece.inc.c
+++ b/src/game/behaviors/bowser_puzzle_piece.inc.c
@@ -98,6 +98,7 @@ void bhv_lll_bowser_puzzle_spawn_piece(s16 model, const BehaviorScript *behavior
     puzzlePiece->areaTimerType = AREA_TIMER_TYPE_LOOP;
     puzzlePiece->areaTimer = 0;
     puzzlePiece->areaTimerDuration = 650;
+    puzzlePiece->areaTimerRunOnceCallback = load_object_collision_model;
 }
 
 /**
diff --git a/src/game/behaviors/checkerboard_platform.inc.c b/src/game/behaviors/checkerboard_platform.inc.c
index b45a35c8f..aa41d0dda 100644
--- a/src/game/behaviors/checkerboard_platform.inc.c
+++ b/src/game/behaviors/checkerboard_platform.inc.c
@@ -48,19 +48,22 @@ void checkerboard_plat_act_rotate(s32 a0, s16 a1) {
     o->oCheckerBoardPlatformUnkF8 = a0;
 }
 
+static void bhv_checkerboard_platform_run_once(void) {
+    if (o->oDistanceToMario < 1000.0f) {
+        cur_obj_play_sound_1(SOUND_ENV_ELEVATOR4);
+    }
+    load_object_collision_model();
+}
+
 void bhv_checkerboard_platform_init(void) {
     o->oCheckerBoardPlatformUnkFC = o->parentObj->oBehParams2ndByte;
     o->areaTimerType = AREA_TIMER_TYPE_LOOP;
     o->areaTimer = 0;
     o->areaTimerDuration = 132 + o->oCheckerBoardPlatformUnkFC * 2;
+    o->areaTimerRunOnceCallback = bhv_checkerboard_platform_run_once;
 }
 
 void bhv_checkerboard_platform_loop(void) {
-    bool lastNATUpdate = cur_obj_is_last_nat_update_per_frame();
-    if (o->oDistanceToMario < 1000.0f && lastNATUpdate) {
-        cur_obj_play_sound_1(SOUND_ENV_ELEVATOR4);
-    }
-
     f32 sp24 = o->oCheckerBoardPlatformUnk1AC;
     o->oCheckerBoardPlatformUnkF8 = 0;
     switch (o->oAction) {
@@ -97,8 +100,4 @@ void bhv_checkerboard_platform_loop(void) {
     } else {
         cur_obj_move_using_fvel_and_gravity();
     }
-
-    if (lastNATUpdate) {
-        load_object_collision_model();
-    }
 }
diff --git a/src/game/behaviors/ddd_pole.inc.c b/src/game/behaviors/ddd_pole.inc.c
index 48339e1fd..595e2e9e5 100644
--- a/src/game/behaviors/ddd_pole.inc.c
+++ b/src/game/behaviors/ddd_pole.inc.c
@@ -10,6 +10,7 @@ void bhv_ddd_pole_init(void) {
     o->areaTimerType = AREA_TIMER_TYPE_LOOP;
     o->areaTimer = 0;
     o->areaTimerDuration = (((u16)o->oDDDPoleMaxOffset / 10) + 20) * 2;
+    o->areaTimerRunOnceCallback = bhv_pole_base_loop;
 }
 
 void bhv_ddd_pole_update(void) {
diff --git a/src/game/behaviors/koopa.inc.c b/src/game/behaviors/koopa.inc.c
index 20b61c535..baf02d1e2 100644
--- a/src/game/behaviors/koopa.inc.c
+++ b/src/game/behaviors/koopa.inc.c
@@ -88,6 +88,10 @@ void bhv_koopa_the_quick_override_ownership(u8* shouldOverride, u8* shouldOwn) {
     *shouldOwn = (get_network_player_smallest_global() == gNetworkPlayerLocal);
 }
 
+static void bhv_koopa_the_quick_run_once(void) {
+    cur_obj_push_mario_away_from_cylinder(140.0f, 300.0f);
+}
+
 /**
  * Initialization function.
  */
@@ -140,6 +144,7 @@ void bhv_koopa_init(void) {
         o->areaTimerType = AREA_TIMER_TYPE_MAXIMUM;
         o->areaTimer = 0;
         o->areaTimerDuration = 60;
+        o->areaTimerRunOnceCallback = bhv_koopa_the_quick_run_once;
     } else {
         // normal koopa
         network_init_object(o, 4000.0f);
@@ -902,9 +907,6 @@ static void koopa_the_quick_update(void) {
         }
     }
 
-    if (cur_obj_is_last_nat_update_per_frame()) {
-        cur_obj_push_mario_away_from_cylinder(140.0f, 300.0f);
-    }
     cur_obj_move_standard(-78);
 }
 
diff --git a/src/game/behaviors/racing_penguin.inc.c b/src/game/behaviors/racing_penguin.inc.c
index 2efb95da1..9898bde00 100644
--- a/src/game/behaviors/racing_penguin.inc.c
+++ b/src/game/behaviors/racing_penguin.inc.c
@@ -29,6 +29,13 @@ void bhv_racing_penguin_the_quick_override_ownership(u8* shouldOverride, u8* sho
     *shouldOwn = (get_network_player_smallest_global() == gNetworkPlayerLocal);
 }
 
+void bhv_racing_penguin_run_once(void) {
+    cur_obj_align_gfx_with_floor();
+    cur_obj_push_mario_away_from_cylinder(
+        sRacingPenguinData[o->oBehParams2ndByte].radius,
+        sRacingPenguinData[o->oBehParams2ndByte].height);
+}
+
 void bhv_racing_penguin_init(void) {
     if (gMarioStates[0].numStars == 120) {
         cur_obj_scale(8.0f);
@@ -70,6 +77,7 @@ void bhv_racing_penguin_init(void) {
     o->areaTimerType = AREA_TIMER_TYPE_MAXIMUM;
     o->areaTimer = 0;
     o->areaTimerDuration = 60;
+    o->areaTimerRunOnceCallback = bhv_racing_penguin_run_once;
 }
 
 static void racing_penguin_act_wait_for_mario(void) {
@@ -277,12 +285,6 @@ void bhv_racing_penguin_update(void) {
     }
 
     cur_obj_move_standard(78);
-
-    if (cur_obj_is_last_nat_update_per_frame()) {
-        cur_obj_align_gfx_with_floor();
-        cur_obj_push_mario_away_from_cylinder(sRacingPenguinData[o->oBehParams2ndByte].radius,
-                                              sRacingPenguinData[o->oBehParams2ndByte].height);
-    }
 }
 
 void bhv_penguin_race_finish_line_update(void) {
diff --git a/src/game/behaviors/rotating_platform.inc.c b/src/game/behaviors/rotating_platform.inc.c
index 3bf4b5f91..921e55ad1 100644
--- a/src/game/behaviors/rotating_platform.inc.c
+++ b/src/game/behaviors/rotating_platform.inc.c
@@ -8,14 +8,21 @@ struct WFRotatingPlatformData sWFRotatingPlatformData[] = {
     { 0, 150, wdw_seg7_collision_070186B4, 1000 }
 };
 
+static void bhv_wf_rotating_wooden_platform_run_once(void) {
+    if (o->oAction != 0) {
+        cur_obj_play_sound_1(SOUND_ENV_ELEVATOR2);
+    }
+    load_object_collision_model();
+}
+
 void bhv_wf_rotating_wooden_platform_init(void) {
     o->areaTimerType = AREA_TIMER_TYPE_LOOP;
     o->areaTimer = 0;
     o->areaTimerDuration = 380;
+    o->areaTimerRunOnceCallback = bhv_wf_rotating_wooden_platform_run_once;
 }
 
 void bhv_wf_rotating_wooden_platform_loop(void) {
-    bool lastNATUpdate = cur_obj_is_last_nat_update_per_frame();
     if (o->oAction == 0) {
         o->oAngleVelYaw = 0;
         if (o->oTimer > 60) {
@@ -26,9 +33,6 @@ void bhv_wf_rotating_wooden_platform_loop(void) {
         if (o->oTimer > 126) {
             o->oAction = 0;
         }
-        if (lastNATUpdate) {
-            cur_obj_play_sound_1(SOUND_ENV_ELEVATOR2);
-        }
     }
     cur_obj_rotate_face_angle_using_vel();
 }
diff --git a/src/game/behaviors/sliding_platform.inc.c b/src/game/behaviors/sliding_platform.inc.c
index e8f126b36..c9a9d6e7f 100644
--- a/src/game/behaviors/sliding_platform.inc.c
+++ b/src/game/behaviors/sliding_platform.inc.c
@@ -24,6 +24,7 @@ void bhv_wf_sliding_platform_init(void) {
     o->areaTimerType = AREA_TIMER_TYPE_LOOP;
     o->areaTimer = 0;
     o->areaTimerDuration = 152;
+    o->areaTimerRunOnceCallback = load_object_collision_model;
 }
 
 void bhv_wf_sliding_platform_loop(void) {
diff --git a/src/game/behaviors/tower_platform.inc.c b/src/game/behaviors/tower_platform.inc.c
index 7c3d25e42..c9f5a37a3 100644
--- a/src/game/behaviors/tower_platform.inc.c
+++ b/src/game/behaviors/tower_platform.inc.c
@@ -94,12 +94,15 @@ void spawn_and_init_wf_platforms(s16 a, const BehaviorScript *bhv) {
     platform->oPlatformUnk10C = o->oPlatformSpawnerUnk108;
     o->oPlatformSpawnerUnkF4++;
 
-    u32 loopTime = 1 + (platform->oPlatformUnk110 / platform->oPlatformUnk10C);
-    loopTime *= 2;
-    loopTime += 1;
-    platform->areaTimerType = AREA_TIMER_TYPE_LOOP;
-    platform->areaTimer = 0;
-    platform->areaTimerDuration = loopTime;
+    if (bhv == bhvWfSolidTowerPlatform || bhv == bhvWfSlidingTowerPlatform) {
+        u32 loopTime = 1 + (platform->oPlatformUnk110 / platform->oPlatformUnk10C);
+        loopTime *= 2;
+        loopTime += 1;
+        platform->areaTimerType = AREA_TIMER_TYPE_LOOP;
+        platform->areaTimer = 0;
+        platform->areaTimerDuration = loopTime;
+        platform->areaTimerRunOnceCallback = load_object_collision_model;
+    }
 }
 
 void spawn_wf_platform_group(void) {
diff --git a/src/game/obj_behaviors.c b/src/game/obj_behaviors.c
index 2b7b9600e..15bc24231 100644
--- a/src/game/obj_behaviors.c
+++ b/src/game/obj_behaviors.c
@@ -31,6 +31,7 @@
 #include "save_file.h"
 #include "spawn_object.h"
 #include "spawn_sound.h"
+#include "engine/surface_load.h"
 #include "pc/network/network.h"
 #include "pc/network/reservation_area.h"
 #include "game/rng_position.h"
diff --git a/src/game/obj_behaviors_2.c b/src/game/obj_behaviors_2.c
index bed2e7a8f..4f44f8bc1 100644
--- a/src/game/obj_behaviors_2.c
+++ b/src/game/obj_behaviors_2.c
@@ -44,6 +44,7 @@
 #include "save_file.h"
 #include "seq_ids.h"
 #include "spawn_sound.h"
+#include "engine/surface_load.h"
 #include "pc/network/network.h"
 #include "pc/network/reservation_area.h"
 
diff --git a/src/game/spawn_object.c b/src/game/spawn_object.c
index 3888792d7..afaedf23e 100644
--- a/src/game/spawn_object.c
+++ b/src/game/spawn_object.c
@@ -309,6 +309,7 @@ struct Object *allocate_object(struct ObjectNode *objList) {
     obj->areaTimerType = AREA_TIMER_TYPE_NONE;
     obj->areaTimer = 0;
     obj->areaTimerDuration = 0;
+    obj->areaTimerRunOnceCallback = NULL;
 
     return obj;
 }