diff --git a/autogen/lua_definitions/constants.lua b/autogen/lua_definitions/constants.lua
index 678ab435..3913bc7f 100644
--- a/autogen/lua_definitions/constants.lua
+++ b/autogen/lua_definitions/constants.lua
@@ -4385,6 +4385,9 @@ ACT_FLAG_BUTT_OR_STOMACH_SLIDE = (1 << 18)
 --- @type integer
 ACT_FLAG_CONTROL_JUMP_HEIGHT = (1 << 25)
 
+--- @type integer
+ACT_FLAG_CUSTOM_ACTION = (1 << 30)
+
 --- @type integer
 ACT_FLAG_DIVING = (1 << 19)
 
diff --git a/autogen/lua_definitions/functions.lua b/autogen/lua_definitions/functions.lua
index a45ac4c8..b318d282 100644
--- a/autogen/lua_definitions/functions.lua
+++ b/autogen/lua_definitions/functions.lua
@@ -3476,6 +3476,12 @@ function collision_find_surface_on_ray(startX, startY, startZ, endX, endY, endZ)
     -- ...
 end
 
+--- @param actFlags integer
+--- @return integer
+function allocate_mario_action(actFlags)
+    -- ...
+end
+
 --- @return integer
 function get_network_area_timer()
     -- ...
diff --git a/docs/lua/constants.md b/docs/lua/constants.md
index 560dd496..3dcb4592 100644
--- a/docs/lua/constants.md
+++ b/docs/lua/constants.md
@@ -1550,6 +1550,7 @@
 - ACT_FLAG_ATTACKING
 - ACT_FLAG_BUTT_OR_STOMACH_SLIDE
 - ACT_FLAG_CONTROL_JUMP_HEIGHT
+- ACT_FLAG_CUSTOM_ACTION
 - ACT_FLAG_DIVING
 - ACT_FLAG_HANGING
 - ACT_FLAG_IDLE
diff --git a/docs/lua/functions.md b/docs/lua/functions.md
index 5296ab61..6c550dd2 100644
--- a/docs/lua/functions.md
+++ b/docs/lua/functions.md
@@ -634,6 +634,7 @@
 <br />
 
 - smlua_misc_utils.h
+   - [allocate_mario_action](#allocate_mario_action)
    - [get_network_area_timer](#get_network_area_timer)
    - [hud_hide](#hud_hide)
    - [hud_show](#hud_show)
@@ -11614,6 +11615,26 @@ The `reliable` field will ensure that the packet arrives, but should be used spa
 <br />
 
 
+## [allocate_mario_action](#allocate_mario_action)
+
+### Lua Example
+`local integerValue = allocate_mario_action(actFlags)`
+
+### Parameters
+| Field | Type |
+| ----- | ---- |
+| actFlags | `integer` |
+
+### Returns
+- `integer`
+
+### C Prototype
+`u32 allocate_mario_action(u32 actFlags);`
+
+[:arrow_up_small:](#)
+
+<br />
+
 ## [get_network_area_timer](#get_network_area_timer)
 
 ### Lua Example
diff --git a/include/sm64.h b/include/sm64.h
index b3f1ed34..e31e3eda 100644
--- a/include/sm64.h
+++ b/include/sm64.h
@@ -167,6 +167,7 @@
 #define ACT_FLAG_PAUSE_EXIT                  /* 0x08000000 */ (1 << 27)
 #define ACT_FLAG_SWIMMING_OR_FLYING          /* 0x10000000 */ (1 << 28)
 #define ACT_FLAG_WATER_OR_TEXT               /* 0x20000000 */ (1 << 29)
+#define ACT_FLAG_CUSTOM_ACTION               /* 0x40000000 */ (1 << 30)
 #define ACT_FLAG_THROWING                    /* 0x80000000 */ (1 << 31)
 
 #define ACT_UNINITIALIZED              0x00000000 // (0x000)
diff --git a/mods/character-movesets.lua b/mods/character-movesets.lua
index 3339976c..515e2b9d 100644
--- a/mods/character-movesets.lua
+++ b/mods/character-movesets.lua
@@ -36,8 +36,8 @@ end
 -- luigi --
 -----------
 
-ACT_SPIN_POUND_LAND = (0x037 | ACT_FLAG_STATIONARY | ACT_FLAG_ATTACKING)
-ACT_SPIN_POUND      = (0x08F | ACT_FLAG_AIR | ACT_FLAG_ATTACKING)
+ACT_SPIN_POUND_LAND = allocate_mario_action(ACT_FLAG_STATIONARY | ACT_FLAG_ATTACKING)
+ACT_SPIN_POUND      = allocate_mario_action(ACT_FLAG_AIR | ACT_FLAG_ATTACKING)
 
 function act_spin_pound(m)
     local e = gStateExtras[m.playerIndex]
@@ -360,7 +360,7 @@ gEventTable[CT_TOAD] = {
 -- waluigi --
 -------------
 
-ACT_WALL_SLIDE = (0x0BF | ACT_FLAG_AIR | ACT_FLAG_MOVING | ACT_FLAG_ALLOW_VERTICAL_WIND_ACTION)
+ACT_WALL_SLIDE = allocate_mario_action(ACT_FLAG_AIR | ACT_FLAG_MOVING | ACT_FLAG_ALLOW_VERTICAL_WIND_ACTION)
 
 function act_wall_slide(m)
     if (m.input & INPUT_A_PRESSED) ~= 0 then
@@ -482,10 +482,10 @@ gEventTable[CT_WALUIGI] = {
 -- wario --
 -----------
 
-ACT_WARIO_DASH         = (0x05B | ACT_FLAG_MOVING | ACT_FLAG_ATTACKING)
-ACT_WARIO_AIR_DASH     = (0x05B | ACT_FLAG_AIR | ACT_FLAG_ATTACKING)
-ACT_CORKSCREW_CONK     = (0x05D | ACT_FLAG_AIR | ACT_FLAG_ATTACKING | ACT_FLAG_ALLOW_VERTICAL_WIND_ACTION)
-ACT_WARIO_SPINNING_OBJ = (0x05B | ACT_FLAG_STATIONARY)
+ACT_WARIO_DASH         = allocate_mario_action(ACT_FLAG_MOVING | ACT_FLAG_ATTACKING)
+ACT_WARIO_AIR_DASH     = allocate_mario_action(ACT_FLAG_AIR | ACT_FLAG_ATTACKING)
+ACT_CORKSCREW_CONK     = allocate_mario_action(ACT_FLAG_AIR | ACT_FLAG_ATTACKING | ACT_FLAG_ALLOW_VERTICAL_WIND_ACTION)
+ACT_WARIO_SPINNING_OBJ = allocate_mario_action(ACT_FLAG_STATIONARY)
 
 function act_corkscrew_conk(m)
     local e = gStateExtras[m.playerIndex]
diff --git a/mods/extended-moveset.lua b/mods/extended-moveset.lua
index c9777e1a..b3b5f02e 100644
--- a/mods/extended-moveset.lua
+++ b/mods/extended-moveset.lua
@@ -6,18 +6,18 @@
 -- initialize actions --
 ------------------------
 
-ACT_SPIN_POUND_LAND =           (0x037 | ACT_FLAG_STATIONARY | ACT_FLAG_ATTACKING)
-ACT_ROLL =                      (0x05B | ACT_FLAG_MOVING | ACT_FLAG_BUTT_OR_STOMACH_SLIDE)
-ACT_GROUND_POUND_JUMP =         (0x084 | ACT_FLAG_AIR | ACT_FLAG_ALLOW_VERTICAL_WIND_ACTION)
-ACT_SPIN_JUMP =                 (0x08B | ACT_FLAG_AIR | ACT_FLAG_ALLOW_VERTICAL_WIND_ACTION)
-ACT_SPIN_POUND =                (0x08F | ACT_FLAG_AIR | ACT_FLAG_ATTACKING)
-ACT_LEDGE_PARKOUR =             (0x09D | ACT_FLAG_AIR)
-ACT_ROLL_AIR =                  (0x0BA | ACT_FLAG_AIR | ACT_FLAG_ALLOW_VERTICAL_WIND_ACTION)
-ACT_WALL_SLIDE =                (0x0BF | ACT_FLAG_AIR | ACT_FLAG_MOVING | ACT_FLAG_ALLOW_VERTICAL_WIND_ACTION)
-ACT_WATER_GROUND_POUND =        (0x0C9 | ACT_FLAG_MOVING | ACT_FLAG_SWIMMING | ACT_FLAG_SWIMMING_OR_FLYING | ACT_FLAG_WATER_OR_TEXT | ACT_FLAG_ATTACKING)
-ACT_WATER_GROUND_POUND_LAND =   (0x0CA | ACT_FLAG_STATIONARY | ACT_FLAG_SWIMMING | ACT_FLAG_SWIMMING_OR_FLYING | ACT_FLAG_WATER_OR_TEXT)
-ACT_WATER_GROUND_POUND_STROKE = (0x0CB | ACT_FLAG_MOVING | ACT_FLAG_SWIMMING | ACT_FLAG_SWIMMING_OR_FLYING | ACT_FLAG_WATER_OR_TEXT)
-ACT_WATER_GROUND_POUND_JUMP =   (0x0CC | ACT_FLAG_MOVING | ACT_FLAG_SWIMMING | ACT_FLAG_SWIMMING_OR_FLYING | ACT_FLAG_WATER_OR_TEXT)
+ACT_SPIN_POUND_LAND =           allocate_mario_action(ACT_FLAG_STATIONARY | ACT_FLAG_ATTACKING)
+ACT_ROLL =                      allocate_mario_action(ACT_FLAG_MOVING | ACT_FLAG_BUTT_OR_STOMACH_SLIDE)
+ACT_GROUND_POUND_JUMP =         allocate_mario_action(ACT_FLAG_AIR | ACT_FLAG_ALLOW_VERTICAL_WIND_ACTION)
+ACT_SPIN_JUMP =                 allocate_mario_action(ACT_FLAG_AIR | ACT_FLAG_ALLOW_VERTICAL_WIND_ACTION)
+ACT_SPIN_POUND =                allocate_mario_action(ACT_FLAG_AIR | ACT_FLAG_ATTACKING)
+ACT_LEDGE_PARKOUR =             allocate_mario_action(ACT_FLAG_AIR)
+ACT_ROLL_AIR =                  allocate_mario_action(ACT_FLAG_AIR | ACT_FLAG_ALLOW_VERTICAL_WIND_ACTION)
+ACT_WALL_SLIDE =                allocate_mario_action(ACT_FLAG_AIR | ACT_FLAG_MOVING | ACT_FLAG_ALLOW_VERTICAL_WIND_ACTION)
+ACT_WATER_GROUND_POUND =        allocate_mario_action(ACT_FLAG_MOVING | ACT_FLAG_SWIMMING | ACT_FLAG_SWIMMING_OR_FLYING | ACT_FLAG_WATER_OR_TEXT | ACT_FLAG_ATTACKING)
+ACT_WATER_GROUND_POUND_LAND =   allocate_mario_action(ACT_FLAG_STATIONARY | ACT_FLAG_SWIMMING | ACT_FLAG_SWIMMING_OR_FLYING | ACT_FLAG_WATER_OR_TEXT)
+ACT_WATER_GROUND_POUND_STROKE = allocate_mario_action(ACT_FLAG_MOVING | ACT_FLAG_SWIMMING | ACT_FLAG_SWIMMING_OR_FLYING | ACT_FLAG_WATER_OR_TEXT)
+ACT_WATER_GROUND_POUND_JUMP =   allocate_mario_action(ACT_FLAG_MOVING | ACT_FLAG_SWIMMING | ACT_FLAG_SWIMMING_OR_FLYING | ACT_FLAG_WATER_OR_TEXT)
 
 -----------------------------
 -- initialize extra fields --
diff --git a/src/pc/lua/smlua_constants_autogen.c b/src/pc/lua/smlua_constants_autogen.c
index a43e9121..ea73d035 100644
--- a/src/pc/lua/smlua_constants_autogen.c
+++ b/src/pc/lua/smlua_constants_autogen.c
@@ -1651,6 +1651,7 @@ char gSmluaConstants[] = ""
 "ACT_FLAG_PAUSE_EXIT = (1 << 27)\n"
 "ACT_FLAG_SWIMMING_OR_FLYING = (1 << 28)\n"
 "ACT_FLAG_WATER_OR_TEXT = (1 << 29)\n"
+"ACT_FLAG_CUSTOM_ACTION = (1 << 30)\n"
 "ACT_FLAG_THROWING = (1 << 31)\n"
 "ACT_UNINITIALIZED = 0x00000000\n"
 "ACT_IDLE = 0x0C400201\n"
diff --git a/src/pc/lua/smlua_functions_autogen.c b/src/pc/lua/smlua_functions_autogen.c
index 3ef69dcf..f7021451 100644
--- a/src/pc/lua/smlua_functions_autogen.c
+++ b/src/pc/lua/smlua_functions_autogen.c
@@ -7400,6 +7400,17 @@ int smlua_func_collision_find_surface_on_ray(lua_State* L) {
  // smlua_misc_utils.h //
 ////////////////////////
 
+int smlua_func_allocate_mario_action(lua_State* L) {
+    if(!smlua_functions_valid_param_count(L, 1)) { return 0; }
+
+    u32 actFlags = smlua_to_integer(L, 1);
+    if (!gSmLuaConvertSuccess) { return 0; }
+
+    lua_pushinteger(L, allocate_mario_action(actFlags));
+
+    return 1;
+}
+
 int smlua_func_get_network_area_timer(UNUSED lua_State* L) {
     if(!smlua_functions_valid_param_count(L, 0)) { return 0; }
 
@@ -8769,6 +8780,7 @@ void smlua_bind_functions_autogen(void) {
     smlua_bind_function(L, "collision_find_surface_on_ray", smlua_func_collision_find_surface_on_ray);
 
     // smlua_misc_utils.h
+    smlua_bind_function(L, "allocate_mario_action", smlua_func_allocate_mario_action);
     smlua_bind_function(L, "get_network_area_timer", smlua_func_get_network_area_timer);
     smlua_bind_function(L, "hud_hide", smlua_func_hud_hide);
     smlua_bind_function(L, "hud_show", smlua_func_hud_show);
diff --git a/src/pc/lua/smlua_hooks.c b/src/pc/lua/smlua_hooks.c
index 296d8b35..4507cecb 100644
--- a/src/pc/lua/smlua_hooks.c
+++ b/src/pc/lua/smlua_hooks.c
@@ -230,6 +230,7 @@ struct LuaHookedMarioAction {
 
 static struct LuaHookedMarioAction sHookedMarioActions[MAX_HOOKED_ACTIONS] = { 0 };
 static int sHookedMarioActionsCount = 0;
+u32 gLuaMarioActionIndex = 0;
 
 int smlua_hook_mario_action(lua_State* L) {
     if (L == NULL) { return 0; }
@@ -742,6 +743,7 @@ static void smlua_clear_hooks(void) {
         hooked->mod = NULL;
     }
     sHookedBehaviorsCount = 0;
+    gLuaMarioActionIndex = 0;
 }
 
 void smlua_bind_hooks(void) {
diff --git a/src/pc/lua/smlua_hooks.h b/src/pc/lua/smlua_hooks.h
index 987be442..e81eede4 100644
--- a/src/pc/lua/smlua_hooks.h
+++ b/src/pc/lua/smlua_hooks.h
@@ -40,6 +40,8 @@ static char* LuaHookedEventTypeName[] = {
     "HOOK_MAX"
 };
 
+extern u32 gLuaMarioActionIndex;
+
 void smlua_call_event_hooks(enum LuaHookedEventType hookType);
 void smlua_call_event_hooks_mario_param(enum LuaHookedEventType hookType, struct MarioState* m);
 void smlua_call_event_hooks_mario_params(enum LuaHookedEventType hookType, struct MarioState* m1, struct MarioState* m2);
diff --git a/src/pc/lua/utils/smlua_misc_utils.c b/src/pc/lua/utils/smlua_misc_utils.c
index 9f4d0826..0b786268 100644
--- a/src/pc/lua/utils/smlua_misc_utils.c
+++ b/src/pc/lua/utils/smlua_misc_utils.c
@@ -1,3 +1,4 @@
+#include "sm64.h"
 #include "types.h"
 
 #include "data/dynos_coop.c.h"
@@ -33,3 +34,8 @@ bool warp_exit_level(s32 aDelay) {
 bool warp_to_castle(s32 aLevel) {
     return dynos_warp_to_castle(aLevel);
 }
+
+u32 allocate_mario_action(u32 actFlags) {
+    actFlags = actFlags & (~((u32)0xFF));
+    return actFlags | ACT_FLAG_CUSTOM_ACTION | gLuaMarioActionIndex++;
+}
\ No newline at end of file
diff --git a/src/pc/lua/utils/smlua_misc_utils.h b/src/pc/lua/utils/smlua_misc_utils.h
index dfa1be07..5fdd83ed 100644
--- a/src/pc/lua/utils/smlua_misc_utils.h
+++ b/src/pc/lua/utils/smlua_misc_utils.h
@@ -11,4 +11,6 @@ bool warp_restart_level(void);
 bool warp_exit_level(s32 aDelay);
 bool warp_to_castle(s32 aLevel);
 
+u32 allocate_mario_action(u32 actFlags);
+
 #endif