diff --git a/code/__DEFINES/donator_groupings.dm b/code/__DEFINES/donator_groupings.dm
new file mode 100644
index 0000000000..6d28d2acb5
--- /dev/null
+++ b/code/__DEFINES/donator_groupings.dm
@@ -0,0 +1,18 @@
+#define DONATOR_GROUPING_TIER_1_CONFIG_PATH /datum/config_entry/keyed_list/donator/tier_1_donators
+#define DONATOR_GROUPING_TIER_2_CONFIG_PATH /datum/config_entry/keyed_list/donator/tier_2_donators
+#define DONATOR_GROUPING_TIER_3_CONFIG_PATH /datum/config_entry/keyed_list/donator/tier_3_donators
+
+#define DONATOR_GROUPING_TIER_1_CONFIG_SUBPATH keyed_list/donator/tier_1_donators
+#define DONATOR_GROUPING_TIER_2_CONFIG_SUBPATH keyed_list/donator/tier_2_donators
+#define DONATOR_GROUPING_TIER_3_CONFIG_SUBPATH keyed_list/donator/tier_3_donators
+
+#define TIER_1_DONATORS CONFIG_GET(DONATOR_GROUPING_TIER_1_CONFIG_SUBPATH)
+#define TIER_2_DONATORS CONFIG_GET(DONATOR_GROUPING_TIER_2_CONFIG_SUBPATH)
+#define TIER_3_DONATORS CONFIG_GET(DONATOR_GROUPING_TIER_3_CONFIG_SUBPATH)
+
+//flags
+#define DONATOR_GROUP_TIER_1 "T1"
+#define DONATOR_GROUP_TIER_2 "T2"
+#define DONATOR_GROUP_TIER_3 "T3"
+
+#define IS_CKEY_DONATOR_GROUP(ckey, group) is_donator_group(ckey, group)
diff --git a/code/__HELPERS/donator_groupings.dm b/code/__HELPERS/donator_groupings.dm
new file mode 100644
index 0000000000..3dad088629
--- /dev/null
+++ b/code/__HELPERS/donator_groupings.dm
@@ -0,0 +1,26 @@
+/*
+Current specifications:
+
+Donator groups in __DEFINES/donator_groupings.dm, config entries in controllers/configuration/entries/donator.dm
+
+3 groups, Tier 1/2/3
+Each tier includes the one before it (ascending)
+For fast lookups, this is generated using regenerate_donator_grouping_list()
+
+*/
+
+/proc/is_donator_group(ckey, group)
+	ckey = ckey(ckey)		//make sure it's ckey'd.
+	return GLOB.donators_by_group[group]?.Find(ckey)
+
+/proc/regenerate_donator_grouping_list()
+	var/list/donator_list = GLOB.donators_by_group = list()			//reinit everything
+
+	var/list/inclusive_add = list()		//speed!
+
+	inclusive_add += TIER_1_DONATORS
+	donator_list[DONATOR_GROUP_TIER_1] = inclusive_add.Copy()
+	inclusive_add += TIER_2_DONATORS
+	donator_list[DONATOR_GROUP_TIER_2] = inclusive_add.Copy()
+	inclusive_add += TIER_3_DONATORS
+	donator_list[DONATOR_GROUP_TIER_3] = inclusive_add.Copy()
diff --git a/code/_globalvars/lists/misc.dm b/code/_globalvars/lists/misc.dm
new file mode 100644
index 0000000000..1dcde53a72
--- /dev/null
+++ b/code/_globalvars/lists/misc.dm
@@ -0,0 +1 @@
+GLOBAL_LIST_EMPTY(donators_by_group)	//group id = donator list of ckeys
diff --git a/code/controllers/configuration/config_entry.dm b/code/controllers/configuration/config_entry.dm
index 49ff1c8d49..3ac103affc 100644
--- a/code/controllers/configuration/config_entry.dm
+++ b/code/controllers/configuration/config_entry.dm
@@ -19,6 +19,7 @@
 	var/abstract_type = /datum/config_entry	//do not instantiate if type matches this
 
 	var/vv_VAS = TRUE		//Force validate and set on VV. VAS proccall guard will run regardless.
+	var/postload_required = FALSE		//requires running OnPostload()
 
 	var/dupes_allowed = FALSE
 
@@ -72,6 +73,9 @@
 /datum/config_entry/proc/DeprecationUpdate(value)
 	return
 
+/datum/config_entry/proc/OnPostload()
+	return
+
 /datum/config_entry/string
 	config_entry_value = ""
 	abstract_type = /datum/config_entry/string
@@ -80,7 +84,7 @@
 /datum/config_entry/string/vv_edit_var(var_name, var_value)
 	return var_name != "auto_trim" && ..()
 
-/datum/config_entry/string/ValidateAndSet(str_val)
+/datum/config_entry/string/ValidateAndSet(str_val, during_load)
 	if(!VASProcCallGuard(str_val))
 		return FALSE
 	config_entry_value = auto_trim ? trim(str_val) : str_val
diff --git a/code/controllers/configuration/configuration.dm b/code/controllers/configuration/configuration.dm
index 0232081c1a..ea2919f342 100644
--- a/code/controllers/configuration/configuration.dm
+++ b/code/controllers/configuration/configuration.dm
@@ -101,6 +101,7 @@
 	log_config("Loading config file [filename]...")
 	var/list/lines = world.file2list("[directory]/[filename]")
 	var/list/_entries = entries
+	var/list/postload_required = list()
 	for(var/L in lines)
 		L = trim(L)
 		if(!L)
@@ -157,18 +158,24 @@
 			else
 				warning("[new_ver.type] is deprecated but gave no proper return for DeprecationUpdate()")
 
-		var/validated = E.ValidateAndSet(value)
+		var/validated = E.ValidateAndSet(value, TRUE)
 		if(!validated)
 			log_config("Failed to validate setting \"[value]\" for [entry]")
 		else
 			if(E.modified && !E.dupes_allowed)
 				log_config("Duplicate setting for [entry] ([value], [E.resident_file]) detected! Using latest.")
+		if(E.postload_required)
+			postload_required[E] = TRUE
 
 		E.resident_file = filename
 
 		if(validated)
 			E.modified = TRUE
 
+	for(var/i in postload_required)
+		var/datum/config_entry/E = i
+		E.OnPostload()
+
 	++.
 
 /datum/controller/configuration/can_vv_get(var_name)
diff --git a/code/controllers/configuration/entries/donator.dm b/code/controllers/configuration/entries/donator.dm
new file mode 100644
index 0000000000..b74d5f5839
--- /dev/null
+++ b/code/controllers/configuration/entries/donator.dm
@@ -0,0 +1,22 @@
+/datum/config_entry/keyed_list/donator_group
+	key_mode = KEY_MODE_TEXT
+	value_mode = VALUE_MODE_FLAG
+	abstract_type = /datum/config_entry/keyed_list/donator_group
+
+//If we're in the middle of a config load, only do the regeneration afterwards to prevent this from wasting a massive amount of CPU for list regenerations.
+/datum/config_entry/keyed_list/donator_group/ValidateAndSet(str_val, during_load)
+	. = ..()
+	if(. && during_load)
+		regenerate_donator_grouping_list()
+
+/datum/config_entry/keyed_list/donator_group/OnPostload()
+	. = ..()
+	regenerate_donator_grouping_list()
+
+//This is kinda weird in that the config entries are defined here but all the handling/calculations are in __HELPERS/donator_groupings.dm
+
+/datum/config_entry/keyed_list/donator_group/tier_1_donators
+
+/datum/config_entry/keyed_list/donator_group/tier_2_donators
+
+/datum/config_entry/keyed_list/donator_group/tier_3_donators
diff --git a/config/config.txt b/config/config.txt
index 3bc9f873a9..a01f5424da 100644
--- a/config/config.txt
+++ b/config/config.txt
@@ -4,6 +4,7 @@ $include game_options.txt
 $include dbconfig.txt
 $include comms.txt
 $include antag_rep.txt
+$include donator_groupings.txt
 
 # You can use the @ character at the beginning of a config option to lock it from being edited in-game
 # Example usage:
diff --git a/config/donator_groupings.txt b/config/donator_groupings.txt
new file mode 100644
index 0000000000..b26d1efe22
--- /dev/null
+++ b/config/donator_groupings.txt
@@ -0,0 +1,8 @@
+#this is a bad system but I'm lazy so it piggybacks off config loader system.
+#Specify group followed by ckey for each ckey.
+
+#TIER_1_DONATORS test_ckey
+
+#TIER_2_DONATORS test_ckey
+
+#TIER_3_DONATORS test_ckey
diff --git a/modular_citadel/code/modules/client/loadout/loadout.dm b/modular_citadel/code/modules/client/loadout/_loadout.dm
similarity index 97%
rename from modular_citadel/code/modules/client/loadout/loadout.dm
rename to modular_citadel/code/modules/client/loadout/_loadout.dm
index 2e11519d0b..8571a62893 100644
--- a/modular_citadel/code/modules/client/loadout/loadout.dm
+++ b/modular_citadel/code/modules/client/loadout/_loadout.dm
@@ -50,6 +50,9 @@ GLOBAL_LIST_EMPTY(loadout_whitelist_ids)
 	var/path //item-to-spawn path
 	var/cost = 1 //normally, each loadout costs a single point.
 	var/geargroupID //defines the ID that the gear inherits from the config
+
+	var/donator_group_id		//New donator group ID system.
+
 	var/list/restricted_roles
 	var/list/ckeywhitelist
 	var/restricted_desc