diff --git a/OpenRA.sln b/OpenRA.sln
index b2acf4d482..d36c0523d3 100644
--- a/OpenRA.sln
+++ b/OpenRA.sln
@@ -130,6 +130,8 @@ Project("{2150E333-8FDC-42A3-9474-1A3956D46DE8}") = "Dune 2000 Lua scripts", "Du
 		mods\d2k\maps\ordos-02a\ordos02a-AI.lua = mods\d2k\maps\ordos-02a\ordos02a-AI.lua
 		mods\d2k\maps\ordos-02b\ordos02b.lua = mods\d2k\maps\ordos-02b\ordos02b.lua
 		mods\d2k\maps\ordos-02b\ordos02b-AI.lua = mods\d2k\maps\ordos-02b\ordos02b-AI.lua
+		mods\d2k\maps\ordos-03a\ordos03a.lua = mods\d2k\maps\ordos-03a\ordos03a.lua
+		mods\d2k\maps\ordos-03a\ordos03a-AI.lua = mods\d2k\maps\ordos-03a\ordos03a-AI.lua
 		mods\d2k\maps\ordos-04\ordos04.lua = mods\d2k\maps\ordos-04\ordos04.lua
 		mods\d2k\maps\ordos-04\ordos04-AI.lua = mods\d2k\maps\ordos-04\ordos04-AI.lua
 	EndProjectSection
diff --git a/mods/d2k/maps/ordos-03a/map.bin b/mods/d2k/maps/ordos-03a/map.bin
new file mode 100644
index 0000000000..cb5c56e176
Binary files /dev/null and b/mods/d2k/maps/ordos-03a/map.bin differ
diff --git a/mods/d2k/maps/ordos-03a/map.png b/mods/d2k/maps/ordos-03a/map.png
new file mode 100644
index 0000000000..39f0d79c6e
Binary files /dev/null and b/mods/d2k/maps/ordos-03a/map.png differ
diff --git a/mods/d2k/maps/ordos-03a/map.yaml b/mods/d2k/maps/ordos-03a/map.yaml
new file mode 100644
index 0000000000..7d65d94ba0
--- /dev/null
+++ b/mods/d2k/maps/ordos-03a/map.yaml
@@ -0,0 +1,146 @@
+MapFormat: 11
+
+RequiresMod: d2k
+
+Title: Ordos 03a
+
+Author: Westwood Studios
+
+Tileset: ARRAKIS
+
+MapSize: 68,68
+
+Bounds: 2,2,64,64
+
+Visibility: MissionSelector
+
+Categories: Campaign
+
+LockPreview: True
+
+Players:
+	PlayerReference@Neutral:
+		Name: Neutral
+		OwnsWorld: True
+		NonCombatant: True
+		Faction: Random
+	PlayerReference@Creeps:
+		Name: Creeps
+		NonCombatant: True
+		Faction: Random
+		Enemies: Ordos, Harkonnen
+	PlayerReference@Ordos:
+		Name: Ordos
+		Playable: True
+		LockFaction: True
+		Faction: ordos
+		LockColor: True
+		Color: B3EAA5
+		Enemies: Harkonnen, Creeps
+	PlayerReference@Harkonnen:
+		Name: Harkonnen
+		LockFaction: True
+		Faction: harkonnen
+		LockColor: True
+		Color: FE0000
+		Enemies: Ordos
+
+Actors:
+	Actor0: light_inf
+		Location: 45,38
+		Owner: Ordos
+	Actor1: trooper
+		Location: 50,38
+		Owner: Ordos
+	Actor2: raider
+		Location: 44,41
+		Owner: Ordos
+	OConyard: construction_yard
+		Location: 48,41
+		Owner: Ordos
+	Actor4: light_inf
+		Location: 51,42
+		Owner: Ordos
+	Actor5: quad
+		Location: 46,44
+		Owner: Ordos
+	Actor6: wormspawner
+		Location: 26,46
+		Owner: Creeps
+	Actor7: trike
+		Location: 11,48
+		Owner: Harkonnen
+	Actor8: quad
+		Location: 3,49
+		Owner: Harkonnen
+	HRefinery: refinery
+		Location: 6,50
+		Owner: Harkonnen
+	HWindTrap1: wind_trap
+		Location: 10,53
+		Owner: Harkonnen
+	HLightFactory: light_factory
+		Location: 3,54
+		Owner: Harkonnen
+	HBarracks: barracks
+		Location: 7,56
+		Owner: Harkonnen
+	HSilo2: silo
+		Location: 3,59
+		Owner: Harkonnen
+	HOutpost: outpost
+		Location: 8,59
+		Owner: Harkonnen
+	OrdosRally: waypoint
+		Owner: Neutral
+		Location: 51,39
+	OrdosEntry: waypoint
+		Owner: Neutral
+		Location: 65,39
+	HarkonnenRally1: waypoint
+		Owner: Neutral
+		Location: 41,47
+	HarkonnenEntry1: waypoint
+		Owner: Neutral
+		Location: 41,65
+	HarkonnenRally2: waypoint
+		Owner: Neutral
+		Location: 40,53
+	HarkonnenEntry2: waypoint
+		Owner: Neutral
+		Location: 65,53
+	HarkonnenRally3: waypoint
+		Owner: Neutral
+		Location: 11,20
+	HarkonnenEntry3: waypoint
+		Owner: Neutral
+		Location: 2,20
+	HarkonnenRally4: waypoint
+		Owner: Neutral
+		Location: 7,54
+	HarkonnenEntry4: waypoint
+		Owner: Neutral
+		Location: 2,54
+	HarkonnenRally5: waypoint
+		Owner: Neutral
+		Location: 12,61
+	HarkonnenEntry5: waypoint
+		Owner: Neutral
+		Location: 12,65
+	HSilo1: silo
+		Owner: Harkonnen
+		Location: 4,59
+	HWindTrap2: wind_trap
+		Owner: Harkonnen
+		Location: 6,59
+	HConyard: construction_yard
+		Owner: Harkonnen
+		Location: 3,62
+	HSilo3: silo
+		Owner: Harkonnen
+		Location: 3,60
+	HSilo4: silo
+		Owner: Harkonnen
+		Location: 4,60
+
+Rules: d2k|rules/campaign-rules.yaml, rules.yaml
diff --git a/mods/d2k/maps/ordos-03a/ordos03a-AI.lua b/mods/d2k/maps/ordos-03a/ordos03a-AI.lua
new file mode 100644
index 0000000000..29fc817363
--- /dev/null
+++ b/mods/d2k/maps/ordos-03a/ordos03a-AI.lua
@@ -0,0 +1,159 @@
+IdlingUnits = { }
+
+AttackGroupSize =
+{
+	easy = 6,
+	normal = 8,
+	hard = 10
+}
+
+AttackDelays =
+{
+	easy = { DateTime.Seconds(4), DateTime.Seconds(9) },
+	normal = { DateTime.Seconds(2), DateTime.Seconds(7) },
+	hard = { DateTime.Seconds(1), DateTime.Seconds(5) }
+}
+
+HarkonnenInfantryTypes = { "light_inf", "light_inf", "light_inf", "trooper", "trooper" }
+HarkonnenVehicleTypes = { "trike", "trike", "quad" }
+
+HarvesterKilled = true
+
+IdleHunt = function(unit) if not unit.IsDead then Trigger.OnIdle(unit, unit.Hunt) end end
+
+SetupAttackGroup = function()
+	local units = { }
+
+	for i = 0, AttackGroupSize[Map.LobbyOption("difficulty")], 1 do
+		if #IdlingUnits == 0 then
+			return units
+		end
+
+		local number = Utils.RandomInteger(1, #IdlingUnits + 1)
+
+		if IdlingUnits[number] and not IdlingUnits[number].IsDead then
+			units[i] = IdlingUnits[number]
+			table.remove(IdlingUnits, number)
+		end
+	end
+
+	return units
+end
+
+SendAttack = function()
+	if IsAttacking then
+		return
+	end
+	IsAttacking = true
+	HoldProduction = true
+
+	local units = SetupAttackGroup()
+	Utils.Do(units, function(unit)
+		IdleHunt(unit)
+	end)
+
+	Trigger.OnAllRemovedFromWorld(units, function()
+		IsAttacking = false
+		HoldProduction = false
+	end)
+end
+
+ProtectHarvester = function(unit)
+	DefendActor(unit)
+	Trigger.OnKilled(unit, function() HarvesterKilled = true end)
+end
+
+DefendActor = function(unit)
+	Trigger.OnDamaged(unit, function(self, attacker)
+		if AttackOnGoing then
+			return
+		end
+		AttackOnGoing = true
+
+		local Guards = SetupAttackGroup()
+
+		if #Guards <= 0 then
+			AttackOnGoing = false
+			return
+		end
+
+		Utils.Do(Guards, function(unit)
+			if not self.IsDead then
+				unit.AttackMove(self.Location)
+			end
+			IdleHunt(unit)
+		end)
+
+		Trigger.OnAllRemovedFromWorld(Guards, function() AttackOnGoing = false end)
+	end)
+end
+
+InitAIUnits = function()
+	IdlingUnits = Reinforcements.Reinforce(harkonnen, HarkonnenInitialReinforcements, HarkonnenInitialPath)
+
+	Utils.Do(HarkonnenBase, function(actor)
+		DefendActor(actor)
+		Trigger.OnDamaged(actor, function(building)
+			if building.Health < building.MaxHealth * 3/4 then
+				building.StartBuildingRepairs()
+			end
+		end)
+	end)
+end
+
+ProduceInfantry = function()
+	if HBarracks.IsDead then
+		return
+	end
+
+	if HoldProduction then
+		Trigger.AfterDelay(DateTime.Minutes(1), ProduceInfantry)
+		return
+	end
+
+	local delay = Utils.RandomInteger(AttackDelays[Map.LobbyOption("difficulty")][1], AttackDelays[Map.LobbyOption("difficulty")][2] + 1)
+	local toBuild = { Utils.Random(HarkonnenInfantryTypes) }
+	harkonnen.Build(toBuild, function(unit)
+		IdlingUnits[#IdlingUnits + 1] = unit[1]
+		Trigger.AfterDelay(delay, ProduceInfantry)
+
+		if #IdlingUnits >= (AttackGroupSize[Map.LobbyOption("difficulty")] * 2.5) then
+			SendAttack()
+		end
+	end)
+end
+
+ProduceVehicles = function()
+	if HLightFactory.IsDead then
+		return
+	end
+
+	if HoldProduction then
+		Trigger.AfterDelay(DateTime.Minutes(1), ProduceVehicles)
+		return
+	end
+
+	local delay = Utils.RandomInteger(AttackDelays[Map.LobbyOption("difficulty")][1], AttackDelays[Map.LobbyOption("difficulty")][2] + 1)
+	local toBuild = { Utils.Random(HarkonnenVehicleTypes) }
+	harkonnen.Build(toBuild, function(unit)
+		IdlingUnits[#IdlingUnits + 1] = unit[1]
+		Trigger.AfterDelay(delay, ProduceVehicles)
+
+		if #IdlingUnits >= (AttackGroupSize[Map.LobbyOption("difficulty")] * 2.5) then
+			SendAttack()
+		end
+	end)
+end
+
+ActivateAI = function()
+	Trigger.AfterDelay(0, InitAIUnits)
+
+	HConyard.Produce(OrdosUpgrades[1])
+	HConyard.Produce(OrdosUpgrades[2])
+
+	-- Finish the upgrades first before trying to build something
+	Trigger.AfterDelay(DateTime.Seconds(14), function()
+		ProduceInfantry()
+		ProduceVehicles()
+	end)
+end
diff --git a/mods/d2k/maps/ordos-03a/ordos03a.lua b/mods/d2k/maps/ordos-03a/ordos03a.lua
new file mode 100644
index 0000000000..9efa91f242
--- /dev/null
+++ b/mods/d2k/maps/ordos-03a/ordos03a.lua
@@ -0,0 +1,175 @@
+HarkonnenBase = { HBarracks, HWindTrap1, HWindTrap2, HLightFactory, HOutpost, HConyard, HRefinery, HSilo1, HSilo2, HSilo3, HSilo4 }
+HarkonnenBaseAreaTrigger = { CPos.New(2, 58), CPos.New(3, 58), CPos.New(4, 58), CPos.New(5, 58), CPos.New(6, 58), CPos.New(7, 58), CPos.New(8, 58), CPos.New(9, 58), CPos.New(10, 58), CPos.New(11, 58), CPos.New(12, 58), CPos.New(13, 58), CPos.New(14, 58), CPos.New(15, 58), CPos.New(16, 58), CPos.New(16, 59), CPos.New(16, 60) }
+
+HarkonnenReinforcements =
+{
+	easy =
+	{
+		{ "light_inf", "trike", "trooper" },
+		{ "light_inf", "trike", "quad" },
+		{ "light_inf", "light_inf", "trooper", "trike", "trike", "quad" }
+	},
+
+	normal =
+	{
+		{ "light_inf", "trike", "trooper" },
+		{ "light_inf", "trike", "trike" },
+		{ "light_inf", "light_inf", "trooper", "trike", "trike", "quad" },
+		{ "light_inf", "light_inf", "trooper", "trooper" },
+		{ "light_inf", "light_inf", "light_inf", "light_inf" },
+		{ "light_inf", "trike", "quad", "quad" }
+	},
+
+	hard =
+	{
+		{ "trike", "trike", "quad" },
+		{ "light_inf", "trike", "trike" },
+		{ "trooper", "trooper", "light_inf", "trike" },
+		{ "light_inf", "light_inf", "light_inf", "trike", "trike" },
+		{ "light_inf", "light_inf", "trooper", "trooper" },
+		{ "trike", "trike", "quad", "quad", "quad", "trike" },
+		{ "light_inf", "light_inf", "light_inf", "trike", "trike" },
+		{ "light_inf", "trike", "light_inf", "trooper", "trooper", "quad" },
+		{ "trike", "trike", "quad", "quad", "quad", "trike" }
+	}
+}
+
+HarkonnenAttackDelay =
+{
+	easy = DateTime.Minutes(5),
+	normal = DateTime.Minutes(2) + DateTime.Seconds(40),
+	hard = DateTime.Minutes(1) + DateTime.Seconds(20)
+}
+
+HarkonnenAttackWaves =
+{
+	easy = 3,
+	normal = 6,
+	hard = 9
+}
+
+HarkonnenPaths =
+{
+	{ HarkonnenEntry1.Location, HarkonnenRally1.Location },
+	{ HarkonnenEntry2.Location, HarkonnenRally2.Location },
+	{ HarkonnenEntry3.Location, HarkonnenRally3.Location }
+}
+
+HarkonnenHunters = { "light_inf", "light_inf", "trike", "quad" }
+HarkonnenInitialReinforcements = { "light_inf", "light_inf", "quad", "quad", "trike", "trike", "trooper", "trooper" }
+
+HarkonnenHunterPath = { HarkonnenEntry5.Location, HarkonnenRally5.Location }
+HarkonnenInitialPath = { HarkonnenEntry4.Location, HarkonnenRally4.Location }
+
+OrdosReinforcements = { "quad", "raider" }
+OrdosPath = { OrdosEntry.Location, OrdosRally.Location }
+
+OrdosBaseBuildings = { "barracks", "light_factory" }
+OrdosUpgrades = { "upgrade.barracks", "upgrade.light" }
+
+wave = 0
+SendHarkonnen = function()
+	Trigger.AfterDelay(HarkonnenAttackDelay[Map.LobbyOption("difficulty")], function()
+		if player.IsObjectiveCompleted(KillHarkonnen) then
+			return
+		end
+
+		wave = wave + 1
+		if wave > HarkonnenAttackWaves[Map.LobbyOption("difficulty")] then
+			return
+		end
+
+		local path = Utils.Random(HarkonnenPaths)
+		local units = Reinforcements.ReinforceWithTransport(harkonnen, "carryall.reinforce", HarkonnenReinforcements[Map.LobbyOption("difficulty")][wave], path, { path[1] })[2]
+		Utils.Do(units, IdleHunt)
+
+		SendHarkonnen()
+	end)
+end
+
+MessageCheck = function(index)
+	return #player.GetActorsByType(OrdosBaseBuildings[index]) > 0 and not player.HasPrerequisites({ OrdosUpgrades[index] })
+end
+
+SendHunters = function(areaTrigger, unit, path, check)
+	Trigger.OnEnteredFootprint(areaTrigger, function(a, id)
+		if not check and a.Owner == player then
+			local units = Reinforcements.ReinforceWithTransport(harkonnen, "carryall.reinforce", unit, path, { path[1] })[2]
+			Utils.Do(units, IdleHunt)
+			check = true
+		end
+	end)
+end
+
+Tick = function()
+	if player.HasNoRequiredUnits() then
+		harkonnen.MarkCompletedObjective(KillOrdos)
+	end
+
+	if harkonnen.HasNoRequiredUnits() and not player.IsObjectiveCompleted(KillHarkonnen) then
+		Media.DisplayMessage("The Harkonnen have been annihilated!", "Mentat")
+		player.MarkCompletedObjective(KillHarkonnen)
+	end
+
+	if DateTime.GameTime % DateTime.Seconds(30) and HarvesterKilled then
+		local units = harkonnen.GetActorsByType("harvester")
+
+		if #units > 0 then
+			HarvesterKilled = false
+			ProtectHarvester(units[1])
+		end
+	end
+
+	if DateTime.GameTime % DateTime.Seconds(32) == 0 and (MessageCheck(1) or MessageCheck(2)) then
+		Media.DisplayMessage("Upgrade barracks and light factory to produce more advanced units.", "Mentat")
+	end
+end
+
+WorldLoaded = function()
+	harkonnen = Player.GetPlayer("Harkonnen")
+	player = Player.GetPlayer("Ordos")
+
+	InitObjectives()
+
+	Camera.Position = OConyard.CenterPosition
+
+	Trigger.OnAllKilled(HarkonnenBase, function()
+		Utils.Do(harkonnen.GetGroundAttackers(), IdleHunt)
+	end)
+
+	SendHarkonnen()
+	ActivateAI()
+
+	Trigger.AfterDelay(DateTime.Minutes(2) + DateTime.Seconds(30), function()
+		Reinforcements.ReinforceWithTransport(player, "carryall.reinforce", OrdosReinforcements, OrdosPath, { OrdosPath[1] })
+	end)
+
+	SendHunters(HarkonnenBaseAreaTrigger, HarkonnenHunters, HarkonnenHunterPath, HuntersSent)
+end
+
+InitObjectives = function()
+	Trigger.OnObjectiveAdded(player, function(p, id)
+		Media.DisplayMessage(p.GetObjectiveDescription(id), "New " .. string.lower(p.GetObjectiveType(id)) .. " objective")
+	end)
+
+	KillOrdos = harkonnen.AddPrimaryObjective("Kill all Ordos units.")
+	KillHarkonnen = player.AddPrimaryObjective("Eliminate all Harkonnen units and reinforcements\nin the area.")
+
+	Trigger.OnObjectiveCompleted(player, function(p, id)
+		Media.DisplayMessage(p.GetObjectiveDescription(id), "Objective completed")
+	end)
+	Trigger.OnObjectiveFailed(player, function(p, id)
+		Media.DisplayMessage(p.GetObjectiveDescription(id), "Objective failed")
+	end)
+
+	Trigger.OnPlayerLost(player, function()
+		Trigger.AfterDelay(DateTime.Seconds(1), function()
+			Media.PlaySpeechNotification(player, "Lose")
+		end)
+	end)
+	Trigger.OnPlayerWon(player, function()
+		Trigger.AfterDelay(DateTime.Seconds(1), function()
+			Media.PlaySpeechNotification(player, "Win")
+		end)
+	end)
+end
diff --git a/mods/d2k/maps/ordos-03a/rules.yaml b/mods/d2k/maps/ordos-03a/rules.yaml
new file mode 100644
index 0000000000..6afd90147e
--- /dev/null
+++ b/mods/d2k/maps/ordos-03a/rules.yaml
@@ -0,0 +1,56 @@
+Player:
+	PlayerResources:
+		DefaultCash: 5000
+
+World:
+	LuaScript:
+		Scripts: ordos03a.lua, ordos03a-AI.lua
+	MissionData:
+		Briefing: The Harkonnen hinder the production of Spice. A Harkonnen attack will disrupt efficient production. Inefficiency cannot be tolerated. The Harkonnen must be eliminated.\n\nNew weapons are available - the Quads. Newer weapons are more powerful. Powerful weapons ensure victory.
+		BriefingVideo: O_BR03_E.VQA
+	MapOptions:
+		TechLevel: low
+	ScriptLobbyDropdown@difficulty:
+		ID: difficulty
+		Label: Difficulty
+		Values:
+			easy: Easy
+			normal: Normal
+			hard: Hard
+		Default: easy
+
+carryall.reinforce:
+	Cargo:
+		MaxWeight: 10
+
+concreteb:
+	Buildable:
+		Prerequisites: ~disabled
+
+heavy_factory:
+	Buildable:
+		Prerequisites: ~disabled
+
+medium_gun_turret:
+	Buildable:
+		Prerequisites: ~disabled
+
+outpost:
+	Buildable:
+		Prerequisites: barracks
+
+quad:
+	Buildable:
+		Prerequisites: upgrade.light
+
+trooper:
+	Buildable:
+		Prerequisites: upgrade.barracks
+
+upgrade.conyard:
+	Buildable:
+		Prerequisites: ~disabled
+
+upgrade.heavy:
+	Buildable:
+		Prerequisites: ~disabled
diff --git a/mods/d2k/missions.yaml b/mods/d2k/missions.yaml
index a16a9b0007..732d629e9a 100644
--- a/mods/d2k/missions.yaml
+++ b/mods/d2k/missions.yaml
@@ -13,6 +13,7 @@ Ordos Campaign:
 	./mods/d2k/maps/ordos-01b
 	./mods/d2k/maps/ordos-02a
 	./mods/d2k/maps/ordos-02b
+	./mods/d2k/maps/ordos-03a
 	./mods/d2k/maps/ordos-04
 
 Harkonnen Campaign: