diff --git a/cev_eris.dme b/cev_eris.dme
index 1ead764f680..00d6c4583d7 100644
--- a/cev_eris.dme
+++ b/cev_eris.dme
@@ -2641,6 +2641,7 @@
 #include "code\modules\research\nodes\combat.dm"
 #include "code\modules\research\nodes\engineering.dm"
 #include "code\modules\research\nodes\illegal.dm"
+#include "code\modules\research\nodes\onestar.dm"
 #include "code\modules\research\nodes\power.dm"
 #include "code\modules\research\nodes\robotics.dm"
 #include "code\modules\sanity\breakdown.dm"
diff --git a/code/__DEFINES/research.dm b/code/__DEFINES/research.dm
index 0270b88cf4f..799a5ed6a14 100644
--- a/code/__DEFINES/research.dm
+++ b/code/__DEFINES/research.dm
@@ -8,6 +8,7 @@
 #define TECH_MAGNET "magnets"
 #define TECH_DATA "programming"
 #define TECH_COVERT "covert"
+#define TECH_ONESTAR "One Star" //not sure how to make it more like the others but if you know feel free to fix :)
 #define TECH_ARCANE "arcane"
 
 //used in design to specify which machine can build it
@@ -29,7 +30,7 @@
 #define RESEARCH_BLUESPACE     /datum/tech/bluespace
 #define RESEARCH_ROBOTICS      /datum/tech/robotics
 #define RESEARCH_COVERT        /datum/tech/covert
-
+#define RESEARCH_ONESTAR       /datum/tech/onestar
 
 // Design categories
 #define CAT_MISC        "Misc"
diff --git a/code/game/objects/items/weapons/stock_parts.dm b/code/game/objects/items/weapons/stock_parts.dm
index 4b3c4175d56..ff83dd01d7c 100644
--- a/code/game/objects/items/weapons/stock_parts.dm
+++ b/code/game/objects/items/weapons/stock_parts.dm
@@ -201,14 +201,15 @@
 	spawn_blacklisted = TRUE
 
 //one star stock parts (rating 5)
+//these parts are more expensive to make due to their advanced technologies, and to make it less of a viable money cheat for guild
 
 /obj/item/stock_parts/capacitor/one_star
 	name = "one star capacitor"
 	desc = "A super-high capacity capacitor used in the construction of a variety of devices."
 	icon_state = "one_capacitor"
-	origin_tech = list(TECH_POWER = 5, TECH_MATERIAL = 4)
+	origin_tech = list(TECH_POWER = 5, TECH_MATERIAL = 4, TECH_ONESTAR = 2)
 	rating = 5
-	matter = list(MATERIAL_STEEL = 2, MATERIAL_PLASTIC = 2, MATERIAL_GLASS = 1)
+	matter = list(MATERIAL_PLASTEEL = 2, MATERIAL_PLATINUM = 2, MATERIAL_PLASMA = 1)
 	spawn_blacklisted = TRUE
 	spawn_tags = SPAWN_TAG_STOCK_PARTS_OS
 
@@ -216,9 +217,9 @@
 	name = "one star scanning module"
 	desc = "A compact, high resolution phasic scanning module used in the construction of certain devices."
 	icon_state = "one_scan_module"
-	origin_tech = list(TECH_MAGNET = 5)
+	origin_tech = list(TECH_MAGNET = 5, TECH_ONESTAR = 2)
 	rating = 5
-	matter = list(MATERIAL_STEEL = 2, MATERIAL_PLASTIC = 2, MATERIAL_GLASS = 1)
+	matter = list(MATERIAL_PLASTEEL = 4, MATERIAL_PLATINUM = 2, MATERIAL_PLASMA = 2)
 	spawn_blacklisted = TRUE
 	spawn_tags = SPAWN_TAG_STOCK_PARTS_OS
 
@@ -226,9 +227,9 @@
 	name = "one star manipulator"
 	desc = "A tiny little manipulator used in the construction of certain devices."
 	icon_state = "one_mani"
-	origin_tech = list(TECH_MATERIAL = 5, TECH_DATA = 2)
+	origin_tech = list(TECH_MATERIAL = 5, TECH_DATA = 2, TECH_ONESTAR = 2)
 	rating = 5
-	matter = list(MATERIAL_STEEL = 2, MATERIAL_PLASTIC = 2)
+	matter = list(MATERIAL_PLASTEEL = 4, MATERIAL_PLATINUM = 2)
 	spawn_blacklisted = TRUE
 	spawn_tags = SPAWN_TAG_STOCK_PARTS_OS
 
@@ -236,9 +237,9 @@
 	name = "one star micro-laser"
 	icon_state = "one_laser"
 	desc = "A tiny laser used in certain devices."
-	origin_tech = list(TECH_MAGNET = 5)
+	origin_tech = list(TECH_MAGNET = 5, TECH_ONESTAR = 2)
 	rating = 5
-	matter = list(MATERIAL_STEEL = 2, MATERIAL_PLASTIC = 2, MATERIAL_GLASS = 1)
+	matter = list(MATERIAL_PLASTEEL = 4, MATERIAL_PLATINUM = 2, MATERIAL_PLASMA = 2)
 	spawn_blacklisted = TRUE
 	spawn_tags = SPAWN_TAG_STOCK_PARTS_OS
 
@@ -246,9 +247,9 @@
 	name = "one star matter bin"
 	desc = "A container for hold compressed matter awaiting re-construction."
 	icon_state = "one_matter"
-	origin_tech = list(TECH_MATERIAL = 5)
+	origin_tech = list(TECH_MATERIAL = 5, TECH_ONESTAR = 2)
 	rating = 5
-	matter = list(MATERIAL_PLASTIC = 3, MATERIAL_GLASS = 1)
+	matter = list(MATERIAL_PLATINUM = 3, MATERIAL_PLASMA = 2)
 	spawn_blacklisted = TRUE
 	spawn_tags = SPAWN_TAG_STOCK_PARTS_OS
 
diff --git a/code/game/objects/items/weapons/tools/crowbars.dm b/code/game/objects/items/weapons/tools/crowbars.dm
index 08ace3bb107..76b0a4e4b75 100644
--- a/code/game/objects/items/weapons/tools/crowbars.dm
+++ b/code/game/objects/items/weapons/tools/crowbars.dm
@@ -29,9 +29,9 @@
 	desc = "Looks like a classic one, but more durable. Has more space for mods too."
 	icon_state = "one_star_crowbar"
 	item_state = "onestar_crowbar"
-	matter = list(MATERIAL_STEEL = 3, MATERIAL_PLATINUM = 1)
+	matter = list(MATERIAL_PLASTEEL = 6, MATERIAL_PLATINUM = 2)
 	tool_qualities = list(QUALITY_PRYING = 25, QUALITY_DIGGING = 10)
-	origin_tech = list(TECH_ENGINEERING = 1, TECH_MATERIAL = 2)
+	origin_tech = list(TECH_ENGINEERING = 1, TECH_MATERIAL = 2, TECH_ONESTAR = 1)
 	degradation = 0.6
 	workspeed = 1.2
 	spawn_blacklisted = TRUE
diff --git a/code/game/objects/items/weapons/tools/hammer.dm b/code/game/objects/items/weapons/tools/hammer.dm
index 039d22a1ae1..f210ae90438 100644
--- a/code/game/objects/items/weapons/tools/hammer.dm
+++ b/code/game/objects/items/weapons/tools/hammer.dm
@@ -113,7 +113,7 @@
 	force_wielded_multiplier = 1.5
 	w_class = ITEM_SIZE_HUGE
 	slot_flags = SLOT_BACK
-	matter = list(MATERIAL_STEEL = 10, MATERIAL_PLATINUM = 5, MATERIAL_DIAMOND = 5)
+	matter = list(MATERIAL_PLASTEEL = 12, MATERIAL_PLATINUM = 8, MATERIAL_DIAMOND = 5)
 	tool_qualities = list(QUALITY_HAMMERING = 50)
 	suitable_cell = /obj/item/cell/medium
 	degradation = 0.6
diff --git a/code/game/objects/items/weapons/tools/misc.dm b/code/game/objects/items/weapons/tools/misc.dm
index 88581badbbc..095688a12d4 100644
--- a/code/game/objects/items/weapons/tools/misc.dm
+++ b/code/game/objects/items/weapons/tools/misc.dm
@@ -20,9 +20,9 @@
 	name = "One Star medmultitool"
 	desc = "A compact One Star medical multitool. It has all surgery tools."
 	icon_state = "medmulti"
-	matter = list(MATERIAL_STEEL = 3, MATERIAL_GLASS = 2, MATERIAL_PLATINUM = 2)
+	matter = list(MATERIAL_PLASTEEL = 5, MATERIAL_PLASMA = 2, MATERIAL_PLATINUM = 3)
 	flags = CONDUCT
-	origin_tech = list(TECH_MATERIAL = 3, TECH_BIO = 4)
+	origin_tech = list(TECH_MATERIAL = 3, TECH_BIO = 4, TECH_ONESTAR = 2)
 	tool_qualities = list(QUALITY_CLAMPING = 30, QUALITY_RETRACTING = 30, QUALITY_BONE_SETTING = 30, QUALITY_CAUTERIZING = 30, QUALITY_SAWING = 15, QUALITY_CUTTING = 30, QUALITY_WIRE_CUTTING = 25)
 
 	max_upgrades = 2
diff --git a/code/game/objects/items/weapons/tools/pickaxe.dm b/code/game/objects/items/weapons/tools/pickaxe.dm
index 9e13ef93bff..f83d7f2634a 100644
--- a/code/game/objects/items/weapons/tools/pickaxe.dm
+++ b/code/game/objects/items/weapons/tools/pickaxe.dm
@@ -50,8 +50,8 @@
 	desc = "A standard One Star basic tool. There used energy technologies what makes it enough powerful and cheap at the same time."
 	icon_state = "one_star_pickaxe"
 	item_state = "pickaxe"
-	matter = list(MATERIAL_STEEL = 4, MATERIAL_PLATINUM = 2, MATERIAL_DIAMOND = 2)
-	origin_tech = list(TECH_MATERIAL = 3, TECH_ENGINEERING = 2, TECH_POWER = 3)
+	matter = list(MATERIAL_PLASTEEL = 6, MATERIAL_PLATINUM = 4, MATERIAL_DIAMOND = 2)
+	origin_tech = list(TECH_MATERIAL = 3, TECH_ENGINEERING = 2, TECH_POWER = 3, TECH_ONESTAR = 1)
 	switched_on_force = WEAPON_FORCE_ROBUST
 	tool_qualities = list(QUALITY_EXCAVATION = 15, QUALITY_PRYING = 25)
 	switched_off_qualities = list(QUALITY_EXCAVATION = 15, QUALITY_PRYING = 25)
@@ -86,11 +86,11 @@
 	desc = "A heavy One Star tool that cracks rocks with blasts, perfect for killing capitalist pigs."
 	icon_state = "one_star_jackhammer"
 	item_state = "jackhammer"
-	matter = list(MATERIAL_STEEL = 7, MATERIAL_PLATINUM = 2)
+	matter = list(MATERIAL_PLASTEEL = 8, MATERIAL_PLATINUM = 4)
 	tool_qualities = list(QUALITY_EXCAVATION = 10)
 	switched_off_qualities = list(QUALITY_EXCAVATION = 10)
 	switched_on_qualities = list(QUALITY_DIGGING = 55)
-	origin_tech = list(TECH_MATERIAL = 4, TECH_POWER = 2, TECH_ENGINEERING = 3)
+	origin_tech = list(TECH_MATERIAL = 4, TECH_POWER = 2, TECH_ENGINEERING = 3, TECH_ONESTAR = 1)
 	degradation = 0.6
 	workspeed = 1.8
 	max_upgrades = 2
@@ -122,8 +122,8 @@
 	tool_qualities = list(QUALITY_EXCAVATION = 10, QUALITY_DRILLING = 10)
 	switched_off_qualities = list(QUALITY_EXCAVATION = 10, QUALITY_DRILLING = 10)
 	switched_on_qualities = list(QUALITY_DIGGING = 60, QUALITY_DRILLING = 10)
-	matter = list(MATERIAL_STEEL = 8, MATERIAL_PLATINUM = 2)
-	origin_tech = list(TECH_MATERIAL = 4, TECH_POWER = 3, TECH_ENGINEERING = 2)
+	matter = list(MATERIAL_PLASTEEL = 8, MATERIAL_PLATINUM = 4)
+	origin_tech = list(TECH_MATERIAL = 4, TECH_POWER = 3, TECH_ENGINEERING = 2, TECH_ONESTAR = 1)
 	degradation = 0.6
 	workspeed = 1.9
 	max_upgrades = 2
diff --git a/code/game/objects/items/weapons/tools/screwdrivers.dm b/code/game/objects/items/weapons/tools/screwdrivers.dm
index bf40230d90c..7a40596c8e3 100644
--- a/code/game/objects/items/weapons/tools/screwdrivers.dm
+++ b/code/game/objects/items/weapons/tools/screwdrivers.dm
@@ -65,9 +65,9 @@
 	name = "One Star combi driver"
 	desc = "A One Star combi driver. Does better than the standard combi drivers on the market, but has less slots for tool mods."
 	icon_state = "one_star_combidriver"
-	matter = list(MATERIAL_STEEL = 4, MATERIAL_PLATINUM = 2)
+	matter = list(MATERIAL_PLASTEEL = 6, MATERIAL_PLATINUM = 3)
 	tool_qualities = list(QUALITY_SCREW_DRIVING = 60, QUALITY_BOLT_TURNING = 60, QUALITY_DRILLING = 25)
-	origin_tech = list(TECH_ENGINEERING = 3, TECH_MATERIAL = 2)
+	origin_tech = list(TECH_ENGINEERING = 3, TECH_MATERIAL = 2, TECH_ONESTAR = 1)
 	degradation = 0.6
 	workspeed = 1.7
 	use_power_cost = 0.3
diff --git a/code/game/objects/items/weapons/tools/weldingtools.dm b/code/game/objects/items/weapons/tools/weldingtools.dm
index c1931d2bcf3..331391b6231 100644
--- a/code/game/objects/items/weapons/tools/weldingtools.dm
+++ b/code/game/objects/items/weapons/tools/weldingtools.dm
@@ -82,8 +82,8 @@
 	desc = "An old and legendary One Star welding tool. Very powerful and reliable, but its compact design causes it to suffer from a lack of both fuel storage and efficiency."
 	icon_state = "one_star_welder"
 	item_state = "welder"
-	matter = list(MATERIAL_STEEL = 4, MATERIAL_PLATINUM = 2)
-	origin_tech = list(TECH_ENGINEERING = 2, TECH_MATERIAL = 3)
+	matter = list(MATERIAL_PLASTEEL = 6, MATERIAL_PLATINUM = 3)
+	origin_tech = list(TECH_ENGINEERING = 2, TECH_MATERIAL = 3, TECH_ONESTAR = 1)
 	switched_on_qualities = list(QUALITY_WELDING = 30, QUALITY_CAUTERIZING = 10, QUALITY_WIRE_CUTTING = 10)
 	glow_color = COLOR_RED_LIGHT
 	use_fuel_cost = 0.15
diff --git a/code/modules/organs/external/subtypes/robotic_types.dm b/code/modules/organs/external/subtypes/robotic_types.dm
index b919b4637e3..582c6d0fef9 100644
--- a/code/modules/organs/external/subtypes/robotic_types.dm
+++ b/code/modules/organs/external/subtypes/robotic_types.dm
@@ -171,7 +171,7 @@
 	force_icon = 'icons/mob/human_races/cyberlimbs/one_star.dmi'
 	model = "one_star"
 	armor = list(melee = 10, bullet = 10, energy = 10, bomb = 50, bio = 100, rad = 100)
-	matter = list(MATERIAL_STEEL = 1, MATERIAL_PLASTIC = 4, MATERIAL_GOLD = 2)
+	matter = list(MATERIAL_PLASTEEL = 6, MATERIAL_PLATINUM = 4, MATERIAL_GOLD = 4)
 	max_damage = 70
 	min_broken_damage = 45
 	spawn_blacklisted = TRUE
diff --git a/code/modules/research/debug.dm b/code/modules/research/debug.dm
index 8502463a585..f8c0c12ec7b 100755
--- a/code/modules/research/debug.dm
+++ b/code/modules/research/debug.dm
@@ -6,6 +6,6 @@
 	origin_tech = list(
 		TECH_MATERIAL = 19, TECH_ENGINEERING = 19, TECH_PLASMA = 19,
 		TECH_POWER = 19, TECH_BLUESPACE = 19, TECH_BIO = 19, TECH_COMBAT = 19,
-		TECH_MAGNET = 19, TECH_DATA = 19, TECH_COVERT = 19, TECH_ARCANE = 19
+		TECH_MAGNET = 19, TECH_DATA = 19, TECH_COVERT = 19, TECH_ONESTAR = 19, TECH_ARCANE = 19
 	)
 	spawn_frequency = 0
diff --git a/code/modules/research/designs/prosthesis_implants.dm b/code/modules/research/designs/prosthesis_implants.dm
index 4536b4d05a8..02e4d49ad1e 100644
--- a/code/modules/research/designs/prosthesis_implants.dm
+++ b/code/modules/research/designs/prosthesis_implants.dm
@@ -50,6 +50,22 @@
 /datum/design/research/item/mechfab/prosthesis_moebius/head
 	build_path = /obj/item/organ/external/robotic/moebius/reinforced/head
 
+//One Star prosthesis =======================
+/datum/design/research/item/mechfab/prosthesis_one_star
+	category = CAT_PROSTHESIS
+
+/datum/design/research/item/organ/external/robotic/one_star/l_arm
+	build_path = /obj/item/organ/external/robotic/one_star/l_arm
+
+/datum/design/research/item/organ/external/robotic/one_star/r_arm
+	build_path = /obj/item/organ/external/robotic/one_star/r_arm
+
+/datum/design/research/item/organ/external/robotic/one_star/l_leg
+	build_path = /obj/item/organ/external/robotic/one_star/l_leg
+
+/datum/design/research/item/organ/external/robotic/one_star/r_leg
+	build_path = /obj/item/organ/external/robotic/one_star/r_leg
+
 //Modules ====================================
 
 /datum/design/research/item/mechfab/modules
@@ -80,6 +96,9 @@
 	build_path = /obj/item/organ_module/active/multitool/miner
 	name = "Embedded mining multitool"
 
+/datum/design/research/item/mechfab/modules/multitool/ossurgical
+	build_path = /obj/item/tool/medmultitool
+	name = "One Star surgical multitool"
 //Implants
 /datum/design/research/item/implant
 	build_type = PROTOLATHE | MECHFAB
diff --git a/code/modules/research/designs/stock_parts.dm b/code/modules/research/designs/stock_parts.dm
index 465b185b939..31c1bf87a07 100644
--- a/code/modules/research/designs/stock_parts.dm
+++ b/code/modules/research/designs/stock_parts.dm
@@ -19,6 +19,10 @@
 	build_path = /obj/item/stock_parts/capacitor/super
 	sort_string = "CAAAC"
 
+/datum/design/research/item/part/os_capacitor
+	build_path = /obj/item/stock_parts/capacitor/one_star
+	sort_string = "CAAAD"
+
 /datum/design/research/item/part/micro_mani
 	build_path = /obj/item/stock_parts/manipulator
 	sort_string = "CAABA"
@@ -31,6 +35,10 @@
 	build_path = /obj/item/stock_parts/manipulator/pico
 	sort_string = "CAABC"
 
+/datum/design/research/item/part/os_mani
+	build_path = /obj/item/stock_parts/manipulator/one_star
+	sort_string = "CAABD"
+
 /datum/design/research/item/part/basic_matter_bin
 	build_path = /obj/item/stock_parts/matter_bin
 	sort_string = "CAACA"
@@ -43,6 +51,10 @@
 	build_path = /obj/item/stock_parts/matter_bin/super
 	sort_string = "CAACC"
 
+/datum/design/research/item/part/os_matter_bin
+	build_path = /obj/item/stock_parts/matter_bin/one_star
+	sort_string = "CAACD"
+
 /datum/design/research/item/part/basic_micro_laser
 	build_path = /obj/item/stock_parts/micro_laser
 	sort_string = "CAADA"
@@ -55,6 +67,10 @@
 	build_path = /obj/item/stock_parts/micro_laser/ultra
 	sort_string = "CAADC"
 
+/datum/design/research/item/part/os_micro_laser
+	build_path = /obj/item/stock_parts/micro_laser/one_star
+	sort_string = "CAADD"
+
 /datum/design/research/item/part/basic_sensor
 	build_path = /obj/item/stock_parts/scanning_module
 	sort_string = "CAAEA"
@@ -67,6 +83,10 @@
 	build_path = /obj/item/stock_parts/scanning_module/phasic
 	sort_string = "CAAEC"
 
+/datum/design/research/item/part/os_sensor
+	build_path = /obj/item/stock_parts/scanning_module/one_star
+	sort_string = "CAAED"
+
 
 // Telecomm parts
 /datum/design/research/item/part/subspace_ansible
diff --git a/code/modules/research/experiment.dm b/code/modules/research/experiment.dm
index 90ec8449202..3581dff11d2 100644
--- a/code/modules/research/experiment.dm
+++ b/code/modules/research/experiment.dm
@@ -17,6 +17,7 @@ GLOBAL_LIST_EMPTY(explosion_watcher_list)
 		TECH_MAGNET = 350,
 		TECH_DATA = 400,
 		TECH_COVERT = 5000,
+		TECH_ONESTAR = 4000,
 	)
 
 	var/list/saved_tech_levels = list() // list("materials" = list(1, 4, ...), ...)
diff --git a/code/modules/research/nodes/onestar.dm b/code/modules/research/nodes/onestar.dm
new file mode 100644
index 00000000000..9c73c0a1e53
--- /dev/null
+++ b/code/modules/research/nodes/onestar.dm
@@ -0,0 +1,65 @@
+/datum/technology/one_star_basic
+	name = "Simple One Star Technology"
+	desc = "Reverse engineered OneStar parts."
+	tech_type = RESEARCH_ONESTAR
+
+	x = 0.1
+	y = 0.5
+	icon = "one_star"
+
+	cost = 10000
+
+/datum/technology/one_star_engineering
+	name = "One Star Engineering"
+	desc = "Advanced engineering technology once thought lost to time."
+	tech_type = RESEARCH_ONESTAR
+
+	x = 0.3
+	y = 0.2
+	icon = "one_star"
+
+	required_technologies = list(/datum/technology/super_adv_engineering)
+	required_tech_levels = list(RESEARCH_ENGINEERING = 10)
+	cost = 5000
+
+	unlocks_designs = list(	/datum/design/research/item/part/os_capacitor,
+							/datum/design/research/item/part/os_micro_laser,
+							/datum/design/research/item/part/os_matter_bin
+						)
+
+/datum/technology/one_star_biotech
+	name = "One Star Biotech"
+	desc = "Advanced biotechnology once thought lost to time."
+	tech_type = RESEARCH_ONESTAR
+
+	x = 0.2
+	y = 0.4
+	icon = "medmulti"
+
+	required_technologies = list(/datum/technology/top_biotech,
+								 /datum/technology/one_star_basic
+							)
+	required_tech_levels = list(RESEARCH_BIOTECH = 10)
+	cost = 5000
+
+	unlocks_designs = list(	/datum/design/research/item/part/os_mani,
+							/datum/design/research/item/part/os_sensor,
+							/datum/design/research/
+						)
+
+/datum/technology/one_star_weapons
+	name = "One Star Weapons"
+	desc = "Advanced weapons technology once thought lost to time."
+	tech_type = RESEARCH_ONESTAR
+
+	x = 0.3
+	y = 0.6
+	icon = "one_star"
+
+	required_technologies = list(/datum/technology/one_star_engineering)
+	required_tech_levels = list(RESEARCH_COMBAT = 10)
+	cost = 8000
+
+	unlocks_designs = list(	/datum/design/research/item/,
+							/datum/design/research/item/,
+						)
diff --git a/code/modules/research/research.dm b/code/modules/research/research.dm
index ffa6ca60d79..2bedd778885 100644
--- a/code/modules/research/research.dm
+++ b/code/modules/research/research.dm
@@ -258,6 +258,14 @@ Procs:
 	shown = FALSE
 	item_tech_req = TECH_COVERT // research any contractor item and this tech will show up
 
+/datum/tech/onestar
+	name = "OS Reverse-Engineered Research"
+	shortname = "One Star Tech"
+	desc = "The reconstruction of schematics long since lost to time."
+	rare = 4
+	shown = FALSE
+	item_tech_req = TECH_ONESTAR // research any one star item and this tech will show up
+
 /datum/technology
 	var/name = "name"
 	var/desc = "description"                // Not used because lazy