diff --git a/code/modules/atmospherics/machinery/components/fusion/hfr_defines.dm b/code/modules/atmospherics/machinery/components/fusion/hfr_defines.dm
index d39fcbdd720..da26f72f9ef 100644
--- a/code/modules/atmospherics/machinery/components/fusion/hfr_defines.dm
+++ b/code/modules/atmospherics/machinery/components/fusion/hfr_defines.dm
@@ -50,3 +50,14 @@
 #define HYPERTORUS_SUBCRITICAL_MOLES 2000
 #define HYPERTORUS_HYPERCRITICAL_MOLES 10000
 #define HYPERTORUS_MAX_MOLE_DAMAGE 10
+
+#define HYPERTORUS_FLAG_BASE_EXPLOSION (1<<0)
+#define HYPERTORUS_FLAG_MEDIUM_EXPLOSION (1<<1)
+#define HYPERTORUS_FLAG_DEVASTATING_EXPLOSION (1<<2)
+#define HYPERTORUS_FLAG_RADIATION_PULSE (1<<3)
+#define HYPERTORUS_FLAG_EMP (1<<4)
+#define HYPERTORUS_FLAG_MINIMUM_SPREAD (1<<5)
+#define HYPERTORUS_FLAG_MEDIUM_SPREAD (1<<6)
+#define HYPERTORUS_FLAG_BIG_SPREAD (1<<7)
+#define HYPERTORUS_FLAG_MASSIVE_SPREAD (1<<8)
+#define HYPERTORUS_FLAG_CRITICAL_MELTDOWN (1<<9)
diff --git a/code/modules/atmospherics/machinery/components/fusion/hfr_fuel_datums.dm b/code/modules/atmospherics/machinery/components/fusion/hfr_fuel_datums.dm
index 2334997574d..1b33ef94a40 100644
--- a/code/modules/atmospherics/machinery/components/fusion/hfr_fuel_datums.dm
+++ b/code/modules/atmospherics/machinery/components/fusion/hfr_fuel_datums.dm
@@ -34,6 +34,8 @@ GLOBAL_LIST_INIT(hfr_fuels_list, hfr_fuels_create_list())
 	var/primary_products = list()
 	///Gases that gets produced in the moderator gasmix or directly ejected (must be 6 gases), the order indicate at what power level the gases are going to be made (from power level 1 to 6)
 	var/secondary_products = list()
+	///Flags to decide what behaviour the meltdown will have depending on the fuel mix used
+	var/meltdown_flags = HYPERTORUS_FLAG_BASE_EXPLOSION
 
 /datum/hfr_fuel/hydrogen_tritium_fuel
 	id = "h2_t2_fuel"
@@ -47,6 +49,7 @@ GLOBAL_LIST_INIT(hfr_fuels_list, hfr_fuels_create_list())
 	requirements = list(/datum/gas/hydrogen, /datum/gas/tritium)
 	primary_products = list(/datum/gas/helium)
 	secondary_products = list(/datum/gas/helium, /datum/gas/plasma, /datum/gas/oxygen, /datum/gas/nitrogen, /datum/gas/bz, /datum/gas/hypernoblium)
+	meltdown_flags = HYPERTORUS_FLAG_MEDIUM_EXPLOSION | HYPERTORUS_FLAG_RADIATION_PULSE | HYPERTORUS_FLAG_EMP | HYPERTORUS_FLAG_MEDIUM_SPREAD
 
 /datum/hfr_fuel/hydrogen_oxy_fuel
 	id = "h2_o2_fuel"
@@ -60,6 +63,7 @@ GLOBAL_LIST_INIT(hfr_fuels_list, hfr_fuels_create_list())
 	requirements = list(/datum/gas/hydrogen, /datum/gas/oxygen)
 	primary_products = list(/datum/gas/helium, /datum/gas/nitrogen)
 	secondary_products = list(/datum/gas/helium, /datum/gas/plasma, /datum/gas/oxygen, /datum/gas/nitrogen, /datum/gas/bz, /datum/gas/hypernoblium)
+	meltdown_flags = HYPERTORUS_FLAG_BASE_EXPLOSION | HYPERTORUS_FLAG_EMP | HYPERTORUS_FLAG_MEDIUM_SPREAD
 
 /datum/hfr_fuel/tritium_oxy_fuel
 	id = "t2_o2_fuel"
@@ -73,6 +77,7 @@ GLOBAL_LIST_INIT(hfr_fuels_list, hfr_fuels_create_list())
 	requirements = list(/datum/gas/tritium, /datum/gas/oxygen)
 	primary_products = list(/datum/gas/helium, /datum/gas/pluoxium)
 	secondary_products = list(/datum/gas/helium, /datum/gas/plasma, /datum/gas/oxygen, /datum/gas/nitrogen, /datum/gas/bz, /datum/gas/hypernoblium)
+	meltdown_flags = HYPERTORUS_FLAG_BASE_EXPLOSION | HYPERTORUS_FLAG_RADIATION_PULSE | HYPERTORUS_FLAG_MEDIUM_SPREAD
 
 /datum/hfr_fuel/plasma_oxy_fuel
 	id = "plasma_o2_fuel"
@@ -86,6 +91,7 @@ GLOBAL_LIST_INIT(hfr_fuels_list, hfr_fuels_create_list())
 	requirements = list(/datum/gas/plasma, /datum/gas/oxygen)
 	primary_products = list(/datum/gas/carbon_dioxide, /datum/gas/water_vapor)
 	secondary_products = list(/datum/gas/carbon_dioxide, /datum/gas/water_vapor, /datum/gas/freon, /datum/gas/nitrous_oxide, /datum/gas/pluoxium, /datum/gas/halon)
+	meltdown_flags = HYPERTORUS_FLAG_BASE_EXPLOSION | HYPERTORUS_FLAG_MINIMUM_SPREAD
 
 /datum/hfr_fuel/hypernob_hydrogen_fuel
 	id = "hypernob_hydrogen_fuel"
@@ -99,6 +105,7 @@ GLOBAL_LIST_INIT(hfr_fuels_list, hfr_fuels_create_list())
 	requirements = list(/datum/gas/hypernoblium, /datum/gas/hydrogen)
 	primary_products = list(/datum/gas/antinoblium)
 	secondary_products = list(/datum/gas/antinoblium, /datum/gas/helium, /datum/gas/proto_nitrate, /datum/gas/zauker, /datum/gas/healium, /datum/gas/miasma)
+	meltdown_flags = HYPERTORUS_FLAG_DEVASTATING_EXPLOSION | HYPERTORUS_FLAG_RADIATION_PULSE | HYPERTORUS_FLAG_EMP | HYPERTORUS_FLAG_BIG_SPREAD
 
 /datum/hfr_fuel/hypernob_trit_fuel
 	id = "hypernob_trit_fuel"
@@ -112,6 +119,7 @@ GLOBAL_LIST_INIT(hfr_fuels_list, hfr_fuels_create_list())
 	requirements = list(/datum/gas/hypernoblium, /datum/gas/tritium)
 	primary_products = list(/datum/gas/antinoblium)
 	secondary_products = list(/datum/gas/antinoblium, /datum/gas/helium, /datum/gas/proto_nitrate, /datum/gas/zauker, /datum/gas/healium, /datum/gas/miasma)
+	meltdown_flags = HYPERTORUS_FLAG_DEVASTATING_EXPLOSION | HYPERTORUS_FLAG_RADIATION_PULSE | HYPERTORUS_FLAG_EMP | HYPERTORUS_FLAG_BIG_SPREAD
 
 /datum/hfr_fuel/hypernob_antinob_fuel
 	id = "hypernob_antinob_fuel"
@@ -125,3 +133,4 @@ GLOBAL_LIST_INIT(hfr_fuels_list, hfr_fuels_create_list())
 	requirements = list(/datum/gas/hypernoblium, /datum/gas/antinoblium)
 	primary_products = list(/datum/gas/helium)
 	secondary_products = list(/datum/gas/plasma, /datum/gas/oxygen, /datum/gas/nitrogen, /datum/gas/proto_nitrate, /datum/gas/stimulum, /datum/gas/miasma)
+	meltdown_flags = HYPERTORUS_FLAG_DEVASTATING_EXPLOSION | HYPERTORUS_FLAG_RADIATION_PULSE | HYPERTORUS_FLAG_EMP | HYPERTORUS_FLAG_MASSIVE_SPREAD | HYPERTORUS_FLAG_CRITICAL_MELTDOWN
diff --git a/code/modules/atmospherics/machinery/components/fusion/hfr_procs.dm b/code/modules/atmospherics/machinery/components/fusion/hfr_procs.dm
index d02e76d305d..06d5014c3ed 100644
--- a/code/modules/atmospherics/machinery/components/fusion/hfr_procs.dm
+++ b/code/modules/atmospherics/machinery/components/fusion/hfr_procs.dm
@@ -294,6 +294,10 @@
 		return
 	final_countdown = TRUE
 
+	var/critical = selected_fuel.meltdown_flags & HYPERTORUS_FLAG_CRITICAL_MELTDOWN
+	if(critical)
+		priority_announce("WARNING - The explosion will likely cover a big part of the station and the coming EMP will wipe out most of the electronics. \
+				Get as far away as possible from the reactor or find a way to shut it down.", "Alert")
 	var/speaking = "[emergency_alert] The Hypertorus fusion reactor has reached critical integrity failure. Emergency magnetic dampeners online."
 	radio.talk_into(src, speaking, common_channel, language = get_selected_language())
 	for(var/i in HYPERTORUS_COUNTDOWN_TIME to 0 step -10)
@@ -305,6 +309,8 @@
 			sleep(10)
 			continue
 		else if(i > 50)
+			if(i == 10 SECONDS && critical)
+				sound_to_playing_players('sound/machines/hypertorus/HFR_critical_explosion.ogg')
 			speaking = "[DisplayTimeText(i, TRUE)] remain before total integrity failure."
 		else
 			speaking = "[i*0.1]..."
@@ -318,10 +324,76 @@
  * Create the explosion + the gas emission before deleting the machine core.
  */
 /obj/machinery/atmospherics/components/unary/hypertorus/core/proc/meltdown()
-	explosion(src, light_impact_range = power_level * 5, flash_range = power_level * 6, adminlog = TRUE, ignorecap = TRUE)
-	radiation_pulse(loc, power_level * 7000, (1 / (power_level + 5)), TRUE)
-	empulse(loc, power_level * 5, power_level * 7, TRUE)
-	var/list/around_turfs = circlerangeturfs(src, power_level * 5)
+	var/flash_explosion = 0
+	var/light_impact_explosion = 0
+	var/heavy_impact_explosion = 0
+	var/devastating_explosion = 0
+	var/em_pulse = selected_fuel.meltdown_flags & HYPERTORUS_FLAG_EMP
+	var/rad_pulse = selected_fuel.meltdown_flags & HYPERTORUS_FLAG_RADIATION_PULSE
+	var/emp_light_size = 0
+	var/emp_heavy_size = 0
+	var/rad_pulse_size = 0
+	var/rad_pulse_strength = 0
+	var/gas_spread = 0
+	var/gas_pockets = 0
+	var/critical = selected_fuel.meltdown_flags & HYPERTORUS_FLAG_CRITICAL_MELTDOWN
+
+	if(selected_fuel.meltdown_flags & HYPERTORUS_FLAG_BASE_EXPLOSION)
+		flash_explosion = power_level * 3
+		light_impact_explosion = power_level * 2
+
+	if(selected_fuel.meltdown_flags & HYPERTORUS_FLAG_MEDIUM_EXPLOSION)
+		flash_explosion = power_level * 6
+		light_impact_explosion = power_level * 5
+		heavy_impact_explosion = power_level * 0.5
+
+	if(selected_fuel.meltdown_flags & HYPERTORUS_FLAG_DEVASTATING_EXPLOSION)
+		flash_explosion = power_level * 8
+		light_impact_explosion = power_level * 7
+		heavy_impact_explosion = power_level * 2
+		devastating_explosion = power_level
+
+	if(selected_fuel.meltdown_flags & HYPERTORUS_FLAG_MINIMUM_SPREAD)
+		if(em_pulse)
+			emp_light_size = power_level * 3
+			emp_heavy_size = power_level * 1
+		if(rad_pulse)
+			rad_pulse_size = (1 / (power_level + 1))
+			rad_pulse_strength = power_level * 3000
+		gas_pockets = 5
+		gas_spread = power_level * 2
+
+	if(selected_fuel.meltdown_flags & HYPERTORUS_FLAG_MEDIUM_SPREAD)
+		if(em_pulse)
+			emp_light_size = power_level * 5
+			emp_heavy_size = power_level * 3
+		if(rad_pulse)
+			rad_pulse_size = (1 / (power_level + 3))
+			rad_pulse_strength = power_level * 5000
+		gas_pockets = 7
+		gas_spread = power_level * 4
+
+	if(selected_fuel.meltdown_flags & HYPERTORUS_FLAG_BIG_SPREAD)
+		if(em_pulse)
+			emp_light_size = power_level * 7
+			emp_heavy_size = power_level * 5
+		if(rad_pulse)
+			rad_pulse_size = (1 / (power_level + 5))
+			rad_pulse_strength = power_level * 7000
+		gas_pockets = 10
+		gas_spread = power_level * 6
+
+	if(selected_fuel.meltdown_flags & HYPERTORUS_FLAG_MASSIVE_SPREAD)
+		if(em_pulse)
+			emp_light_size = power_level * 9
+			emp_heavy_size = power_level * 7
+		if(rad_pulse)
+			rad_pulse_size = (1 / (power_level + 7))
+			rad_pulse_strength = power_level * 9000
+		gas_pockets = 15
+		gas_spread = power_level * 8
+
+	var/list/around_turfs = circlerangeturfs(src, gas_spread)
 	for(var/turf/turf as anything in around_turfs)
 		if(isclosedturf(turf) || isspaceturf(turf))
 			around_turfs -= turf
@@ -330,8 +402,8 @@
 	if(internal_fusion.total_moles() > 0)
 		remove_fusion = internal_fusion.remove_ratio(0.2)
 		var/datum/gas_mixture/remove
-		for(var/i in 1 to 10)
-			remove = remove_fusion.remove_ratio(0.1)
+		for(var/i in 1 to gas_pockets)
+			remove = remove_fusion.remove_ratio(1/gas_pockets)
 			var/turf/local = pick(around_turfs)
 			local.assume_air(remove)
 		loc.assume_air(internal_fusion)
@@ -339,11 +411,39 @@
 	if(moderator_internal.total_moles() > 0)
 		remove_moderator = moderator_internal.remove_ratio(0.2)
 		var/datum/gas_mixture/remove
-		for(var/i in 1 to 10)
-			remove = remove_moderator.remove_ratio(0.1)
+		for(var/i in 1 to gas_pockets)
+			remove = remove_moderator.remove_ratio(1/gas_pockets)
 			var/turf/local = pick(around_turfs)
 			local.assume_air(remove)
 		loc.assume_air(moderator_internal)
+
+	//Max explosion ranges: devastation = 12, heavy = 24, light = 42
+	explosion(
+		origin = src,
+		devastation_range = critical ? devastating_explosion * 2 : devastating_explosion,
+		heavy_impact_range = critical ?  heavy_impact_explosion * 2 : heavy_impact_explosion,
+		light_impact_range = light_impact_explosion,
+		flash_range = flash_explosion,
+		adminlog = TRUE,
+		ignorecap = TRUE
+		)
+
+	if(rad_pulse)
+		radiation_pulse(
+			source = loc,
+			intensity = rad_pulse_strength,
+			range_modifier = rad_pulse_size,
+			log = TRUE
+			)
+
+	if(em_pulse)
+		empulse(
+			epicenter = loc,
+			heavy_range = critical ? emp_heavy_size * 2 : emp_heavy_size,
+			light_range = critical ? emp_light_size * 2 : emp_heavy_size,
+			log = TRUE
+			)
+
 	qdel(src)
 
 /obj/machinery/atmospherics/components/unary/hypertorus/core/proc/check_cracked_parts()
diff --git a/sound/machines/hypertorus/HFR_critical_explosion.ogg b/sound/machines/hypertorus/HFR_critical_explosion.ogg
new file mode 100644
index 00000000000..5db3cd611f0
Binary files /dev/null and b/sound/machines/hypertorus/HFR_critical_explosion.ogg differ