diff --git a/assets_src/m03_algorithm.png b/assets_src/m03_algorithm.png
new file mode 100644
index 0000000..c0020b4
Binary files /dev/null and b/assets_src/m03_algorithm.png differ
diff --git a/assets_src/map_m03.png b/assets_src/map_m03.png
new file mode 100644
index 0000000..e87329c
Binary files /dev/null and b/assets_src/map_m03.png differ
diff --git a/mods/vinylgod/fluent/lua.ftl b/mods/vinylgod/fluent/lua.ftl
index 60a79d1..3072374 100644
--- a/mods/vinylgod/fluent/lua.ftl
+++ b/mods/vinylgod/fluent/lua.ftl
@@ -9,3 +9,8 @@ keep-the-van-alive = Do not lose the Pop-Up Shop
 destroy-the-transcoder = Destroy the Transcoder before the master is cut
 keep-the-selector-alive = The Selector must survive
 wipe-the-outpost = Level the whole outpost
+
+build-the-studio = Build a Mastering Studio
+silence-the-algorithm = Silence The Algorithm
+keep-the-shop-standing = Keep the Pop-Up Shop standing
+it-heard-you = THE ALGORITHM HAS NOTICED YOU
diff --git a/mods/vinylgod/maps/arena/map.bin b/mods/vinylgod/maps/arena/map.bin
index 1c997a0..13c2776 100644
Binary files a/mods/vinylgod/maps/arena/map.bin and b/mods/vinylgod/maps/arena/map.bin differ
diff --git a/mods/vinylgod/maps/compression/map.bin b/mods/vinylgod/maps/compression/map.bin
index b84601b..ebbf48f 100644
Binary files a/mods/vinylgod/maps/compression/map.bin and b/mods/vinylgod/maps/compression/map.bin differ
diff --git a/mods/vinylgod/maps/district/map.bin b/mods/vinylgod/maps/district/map.bin
index 466d053..1d2ee11 100644
Binary files a/mods/vinylgod/maps/district/map.bin and b/mods/vinylgod/maps/district/map.bin differ
diff --git a/mods/vinylgod/maps/m01/map.bin b/mods/vinylgod/maps/m01/map.bin
index 53d1c78..775da4b 100644
Binary files a/mods/vinylgod/maps/m01/map.bin and b/mods/vinylgod/maps/m01/map.bin differ
diff --git a/mods/vinylgod/maps/m02/map.bin b/mods/vinylgod/maps/m02/map.bin
index 2179b66..4e3af20 100644
Binary files a/mods/vinylgod/maps/m02/map.bin and b/mods/vinylgod/maps/m02/map.bin differ
diff --git a/mods/vinylgod/maps/m03/m03.lua b/mods/vinylgod/maps/m03/m03.lua
new file mode 100644
index 0000000..1fcb121
--- /dev/null
+++ b/mods/vinylgod/maps/m03/m03.lua
@@ -0,0 +1,59 @@
+-- 03: THE DROP — finale.
+
+CounterattackDone = false
+Ticks = 0
+
+WorldLoaded = function()
+	Mrp = Player.GetPlayer("Player")
+	Stream = Player.GetPlayer("Enemy")
+	InitObjectives(Mrp)
+
+	StudioObjective = Mrp.AddPrimaryObjective("build-the-studio")
+	AlgorithmObjective = Mrp.AddPrimaryObjective("silence-the-algorithm")
+	ShopObjective = Mrp.AddSecondaryObjective("keep-the-shop-standing")
+
+	Trigger.OnKilled(TheAlgorithm, function()
+		Mrp.MarkCompletedObjective(AlgorithmObjective)
+	end)
+
+	-- losing the HQ costs the secondary, not the mission
+	Trigger.OnKilled(TheVan, function()
+		Trigger.AfterDelay(DateTime.Seconds(2), function()
+			local hq = Utils.Where(Map.ActorsInWorld, function(a)
+				return a.Owner == Mrp and a.Type == "popupshop"
+			end)
+			if #hq == 0 then
+				Mrp.MarkFailedObjective(ShopObjective)
+			end
+		end)
+	end)
+end
+
+Tick = function()
+	Ticks = Ticks + 1
+	-- once a second is plenty; scanning every actor every frame is wasteful
+	if Ticks % 25 ~= 0 then
+		return
+	end
+	if StudioObjective == nil or Mrp.IsObjectiveCompleted(StudioObjective) then
+		return
+	end
+
+	local studios = Utils.Where(Map.ActorsInWorld, function(a)
+		return a.Owner == Mrp and a.Type == "mastering"
+	end)
+
+	if #studios > 0 then
+		Mrp.MarkCompletedObjective(StudioObjective)
+		if not CounterattackDone then
+			CounterattackDone = true
+			Media.DisplayMessage(UserInterface.GetFluentMessage("it-heard-you"))
+			Media.PlaySpeechNotification(Mrp, "BaseAttack")
+			Utils.Do(Map.ActorsInWorld, function(a)
+				if a.Owner == Stream and a.HasProperty("Hunt") then
+					a.Hunt()
+				end
+			end)
+		end
+	end
+end
diff --git a/mods/vinylgod/maps/m03/map.bin b/mods/vinylgod/maps/m03/map.bin
new file mode 100644
index 0000000..46cfe91
Binary files /dev/null and b/mods/vinylgod/maps/m03/map.bin differ
diff --git a/mods/vinylgod/maps/m03/map.png b/mods/vinylgod/maps/m03/map.png
new file mode 100644
index 0000000..e02ee05
Binary files /dev/null and b/mods/vinylgod/maps/m03/map.png differ
diff --git a/mods/vinylgod/maps/m03/map.yaml b/mods/vinylgod/maps/m03/map.yaml
new file mode 100644
index 0000000..79f4495
--- /dev/null
+++ b/mods/vinylgod/maps/m03/map.yaml
@@ -0,0 +1,152 @@
+MapFormat: 12
+
+RequiresMod: vinylgod
+
+Title: 03 - The Drop
+
+Author: Monster Robot Party
+
+Tileset: VINYLGOD
+
+MapSize: 66,66
+
+Bounds: 1,1,64,64
+
+Visibility: MissionSelector
+
+Categories: Campaign
+
+LockPreview: True
+
+Players:
+	PlayerReference@Neutral:
+		Name: Neutral
+		OwnsWorld: True
+		NonCombatant: True
+		Faction: vinylgod
+	PlayerReference@Player:
+		Name: Player
+		Playable: True
+		Required: True
+		AllowBots: False
+		LockFaction: True
+		Faction: vinylgod
+		LockSpawn: True
+		LockTeam: True
+		Enemies: Enemy
+	PlayerReference@Enemy:
+		Name: Enemy
+		Faction: stream
+		Bot: wax
+		Enemies: Player
+
+Actors:
+	spawn0: mpspawn
+		Owner: Neutral
+		Location: 10,54
+	TheVan: popupvan
+		Owner: Player
+		Location: 10,54
+	dig1: digger
+		Owner: Player
+		Location: 13,54
+	dig2: digger
+		Owner: Player
+		Location: 12,56
+	guard1: stacktank
+		Owner: Player
+		Location: 15,52
+	guard2: spinner
+		Owner: Player
+		Location: 16,55
+	guard3: djgrunt
+		Owner: Player
+		Location: 14,57
+	guard4: djgrunt
+		Owner: Player
+		Location: 15,57
+	TheAlgorithm: algorithm
+		Owner: Enemy
+		Location: 52,8
+	ehub: streamhub
+		Owner: Enemy
+		Location: 48,10
+	eproc1: transcoder
+		Owner: Enemy
+		Location: 44,8
+	eproc2: transcoder
+		Owner: Enemy
+		Location: 55,14
+	enode1: datacentre
+		Owner: Enemy
+		Location: 50,13
+	enode2: datacentre
+		Owner: Enemy
+		Location: 54,11
+	epods: podfarm
+		Owner: Enemy
+		Location: 45,13
+	eprint: printfarm
+		Owner: Enemy
+		Location: 49,16
+	eport: droneport
+		Owner: Enemy
+		Location: 56,18
+	etur1: adblocker
+		Owner: Enemy
+		Location: 46,17
+	etur2: adblocker
+		Owner: Enemy
+		Location: 52,18
+	etur3: adblocker
+		Owner: Enemy
+		Location: 43,11
+	escrap1: scraper
+		Owner: Enemy
+		Location: 47,20
+	escrap2: scraper
+		Owner: Enemy
+		Location: 50,20
+	emob1: drmwalker
+		Owner: Enemy
+		Location: 44,20
+	emob2: drmwalker
+		Owner: Enemy
+		Location: 53,22
+	emob3: bufferbot
+		Owner: Enemy
+		Location: 46,22
+	emob4: bufferbot
+		Owner: Enemy
+		Location: 47,22
+	emob5: bufferbot
+		Owner: Enemy
+		Location: 48,22
+	mid1: adblocker
+		Owner: Enemy
+		Location: 34,28
+	mid2: bufferbot
+		Owner: Enemy
+		Location: 33,30
+	mid3: bufferbot
+		Owner: Enemy
+		Location: 35,30
+	waxseed0: waxseed
+		Owner: Neutral
+		Location: 12,30
+	waxseed1: waxseed
+		Owner: Neutral
+		Location: 14,50
+	waxseed2: waxseed
+		Owner: Neutral
+		Location: 32,32
+	waxseed3: waxseed
+		Owner: Neutral
+		Location: 50,14
+	waxseed4: waxseed
+		Owner: Neutral
+		Location: 52,34
+
+Rules: vinylgod|rules/campaign.yaml, rules.yaml
+
+FluentMessages: vinylgod|fluent/lua.ftl
diff --git a/mods/vinylgod/maps/m03/rules.yaml b/mods/vinylgod/maps/m03/rules.yaml
new file mode 100644
index 0000000..62b4d69
--- /dev/null
+++ b/mods/vinylgod/maps/m03/rules.yaml
@@ -0,0 +1,5 @@
+world:
+	LuaScript:
+		Scripts: campaign.lua, m03.lua
+	MissionData:
+		Briefing: The Algorithm has surfaced. It is sitting in the north-east behind everything it owns, scoring us.\n\nBuild a base. Build a Mastering Studio. Charge the orbital tonearm.\n\nThen put the needle through it.\n\nIt will hear the studio go up, and it will come for you. Let it.
diff --git a/mods/vinylgod/maps/needledrop/map.bin b/mods/vinylgod/maps/needledrop/map.bin
index 0e1d2ae..c2f1f4b 100644
Binary files a/mods/vinylgod/maps/needledrop/map.bin and b/mods/vinylgod/maps/needledrop/map.bin differ
diff --git a/mods/vinylgod/maps/shellmap/map.bin b/mods/vinylgod/maps/shellmap/map.bin
index e2688cb..0ed6a15 100644
Binary files a/mods/vinylgod/maps/shellmap/map.bin and b/mods/vinylgod/maps/shellmap/map.bin differ
diff --git a/mods/vinylgod/maps/vinylgod/map.bin b/mods/vinylgod/maps/vinylgod/map.bin
index d173fbc..927feb9 100644
Binary files a/mods/vinylgod/maps/vinylgod/map.bin and b/mods/vinylgod/maps/vinylgod/map.bin differ
diff --git a/mods/vinylgod/missions/vinylgod.yaml b/mods/vinylgod/missions/vinylgod.yaml
index 272b3d0..4fdaab4 100644
--- a/mods/vinylgod/missions/vinylgod.yaml
+++ b/mods/vinylgod/missions/vinylgod.yaml
@@ -1,3 +1,4 @@
 SIDE A - Monster Robot Party:
 	m01
 	m02
+	m03
diff --git a/tools/gen_mission3.py b/tools/gen_mission3.py
new file mode 100644
index 0000000..c908a96
--- /dev/null
+++ b/tools/gen_mission3.py
@@ -0,0 +1,124 @@
+#!/usr/bin/env python3
+"""Generate campaign mission 03 — THE DROP (finale: full base vs a live Stream base)."""
+import os, struct
+from PIL import Image
+
+SIZE = 64
+W = H = SIZE + 2
+MAP = os.path.join(os.path.dirname(__file__), '..', 'mods', 'vinylgod', 'maps', 'm03')
+os.makedirs(MAP, exist_ok=True)
+
+WAX = [(14, 50, 6), (24, 40, 5), (32, 32, 6), (40, 24, 5), (50, 14, 6), (12, 30, 4), (52, 34, 4)]
+
+data = bytearray()
+data += struct.pack('<BHH', 2, W, H)
+data += struct.pack('<III', 17, 0, 3 * W * H + 17)
+data += b'\xff\x00\x00' * (W * H)
+res = bytearray(2 * W * H)
+for cx, cy, r in WAX:
+    for x in range(cx - r, cx + r + 1):
+        for y in range(cy - r, cy + r + 1):
+            d2 = (x - cx) ** 2 + (y - cy) ** 2
+            if d2 <= r * r and 0 < x < W - 1 and 0 < y < H - 1:
+                o = 2 * (x * H + y)
+                res[o], res[o + 1] = 1, max(2, round(12 * (1 - (d2 ** 0.5) / (r + 1))))
+data += res
+open(os.path.join(MAP, 'map.bin'), 'wb').write(data)
+
+ACTORS = [
+    ('spawn0', 'mpspawn', 'Neutral', 10, 54),
+    # the Party
+    ('TheVan', 'popupvan', 'Player', 10, 54),
+    ('dig1', 'digger', 'Player', 13, 54),
+    ('dig2', 'digger', 'Player', 12, 56),
+    ('guard1', 'stacktank', 'Player', 15, 52),
+    ('guard2', 'spinner', 'Player', 16, 55),
+    ('guard3', 'djgrunt', 'Player', 14, 57),
+    ('guard4', 'djgrunt', 'Player', 15, 57),
+    # the Algorithm's seat
+    ('TheAlgorithm', 'algorithm', 'Enemy', 52, 8),
+    ('ehub', 'streamhub', 'Enemy', 48, 10),
+    ('eproc1', 'transcoder', 'Enemy', 44, 8),
+    ('eproc2', 'transcoder', 'Enemy', 55, 14),
+    ('enode1', 'datacentre', 'Enemy', 50, 13),
+    ('enode2', 'datacentre', 'Enemy', 54, 11),
+    ('epods', 'podfarm', 'Enemy', 45, 13),
+    ('eprint', 'printfarm', 'Enemy', 49, 16),
+    ('eport', 'droneport', 'Enemy', 56, 18),
+    ('etur1', 'adblocker', 'Enemy', 46, 17),
+    ('etur2', 'adblocker', 'Enemy', 52, 18),
+    ('etur3', 'adblocker', 'Enemy', 43, 11),
+    ('escrap1', 'scraper', 'Enemy', 47, 20),
+    ('escrap2', 'scraper', 'Enemy', 50, 20),
+    ('emob1', 'drmwalker', 'Enemy', 44, 20),
+    ('emob2', 'drmwalker', 'Enemy', 53, 22),
+    ('emob3', 'bufferbot', 'Enemy', 46, 22),
+    ('emob4', 'bufferbot', 'Enemy', 47, 22),
+    ('emob5', 'bufferbot', 'Enemy', 48, 22),
+    # forward picket in the middle
+    ('mid1', 'adblocker', 'Enemy', 34, 28),
+    ('mid2', 'bufferbot', 'Enemy', 33, 30),
+    ('mid3', 'bufferbot', 'Enemy', 35, 30),
+]
+actors = '\n'.join(f'\t{n}: {t}\n\t\tOwner: {o}\n\t\tLocation: {x},{y}' for n, t, o, x, y in ACTORS)
+
+open(os.path.join(MAP, 'map.yaml'), 'w').write(f"""MapFormat: 12
+
+RequiresMod: vinylgod
+
+Title: 03 - The Drop
+
+Author: Monster Robot Party
+
+Tileset: VINYLGOD
+
+MapSize: {W},{H}
+
+Bounds: 1,1,{SIZE},{SIZE}
+
+Visibility: MissionSelector
+
+Categories: Campaign
+
+LockPreview: True
+
+Players:
+	PlayerReference@Neutral:
+		Name: Neutral
+		OwnsWorld: True
+		NonCombatant: True
+		Faction: vinylgod
+	PlayerReference@Player:
+		Name: Player
+		Playable: True
+		Required: True
+		AllowBots: False
+		LockFaction: True
+		Faction: vinylgod
+		LockSpawn: True
+		LockTeam: True
+		Enemies: Enemy
+	PlayerReference@Enemy:
+		Name: Enemy
+		Faction: stream
+		Bot: wax
+		Enemies: Player
+
+Actors:
+{actors}
+
+Rules: vinylgod|rules/campaign.yaml, rules.yaml
+
+FluentMessages: vinylgod|fluent/lua.ftl
+""")
+
+im = Image.new('RGB', (W, H), (55, 50, 52))
+for cx, cy, r in WAX:
+    for x in range(cx - r, cx + r + 1):
+        for y in range(cy - r, cy + r + 1):
+            if (x - cx) ** 2 + (y - cy) ** 2 <= r * r and 0 <= x < W and 0 <= y < H:
+                im.putpixel((x, y), (255, 45, 150))
+for _, _, o, x, y in ACTORS:
+    im.putpixel((x, y), (255, 255, 255) if o == 'Player' else (80, 150, 255) if o == 'Enemy' else (240, 210, 90))
+im.resize((W * 3, H * 3), Image.NEAREST).save(os.path.join(MAP, 'map.png'))
+print('m03 written')