diff --git a/server/prisma/migrations/20260609220134_game_improvements/migration.sql b/server/prisma/migrations/20260609220134_game_improvements/migration.sql
new file mode 100644
index 0000000..76d81af
--- /dev/null
+++ b/server/prisma/migrations/20260609220134_game_improvements/migration.sql
@@ -0,0 +1,12 @@
+-- AlterTable
+ALTER TABLE "City" ADD COLUMN     "mapX" DOUBLE PRECISION NOT NULL DEFAULT 50,
+ADD COLUMN     "mapY" DOUBLE PRECISION NOT NULL DEFAULT 50;
+
+-- AlterTable
+ALTER TABLE "Mission" ADD COLUMN     "description" TEXT NOT NULL DEFAULT '',
+ADD COLUMN     "minLevel" INTEGER NOT NULL DEFAULT 1,
+ADD COLUMN     "rewardItemId" TEXT,
+ADD COLUMN     "rewardItemQuantity" INTEGER;
+
+-- AddForeignKey
+ALTER TABLE "Mission" ADD CONSTRAINT "Mission_rewardItemId_fkey" FOREIGN KEY ("rewardItemId") REFERENCES "Item"("id") ON DELETE SET NULL ON UPDATE CASCADE;
diff --git a/server/prisma/schema.prisma b/server/prisma/schema.prisma
index 48b7afb..2a42163 100644
--- a/server/prisma/schema.prisma
+++ b/server/prisma/schema.prisma
@@ -60,6 +60,8 @@ model City {
   riskLevel       Int
   policePressure  Float    @default(1.0)
   economyModifier Float    @default(1.0)
+  mapX            Float    @default(50)
+  mapY            Float    @default(50)
   createdAt       DateTime @default(now())
 
   players  Player[]
@@ -77,9 +79,10 @@ model Item {
   weight       Int      @default(1)
   createdAt    DateTime @default(now())
 
-  inventory InventoryItem[]
-  prices    MarketPrice[]
-  missions  Mission[]
+  inventory          InventoryItem[]
+  prices             MarketPrice[]
+  requiredInMissions Mission[]       @relation("MissionRequiredItem")
+  rewardInMissions   Mission[]       @relation("MissionRewardItem")
 }
 
 model InventoryItem {
@@ -112,19 +115,24 @@ model Mission {
   id                   String      @id @default(uuid())
   cityId               String
   title                String
+  description          String      @default("")
   type                 MissionType
   difficulty           Int
+  minLevel             Int         @default(1)
   durationSeconds      Int
   rewardMoney          Int
   rewardXp             Int
   risk                 Float
   requiredItemId       String?
   requiredItemQuantity Int?
+  rewardItemId         String?
+  rewardItemQuantity   Int?
   expiresAt            DateTime
   createdAt            DateTime    @default(now())
 
   city           City            @relation(fields: [cityId], references: [id])
-  requiredItem   Item?           @relation(fields: [requiredItemId], references: [id])
+  requiredItem   Item?           @relation("MissionRequiredItem", fields: [requiredItemId], references: [id])
+  rewardItem     Item?           @relation("MissionRewardItem", fields: [rewardItemId], references: [id])
   playerMissions PlayerMission[]
 }
 
diff --git a/server/prisma/seed.ts b/server/prisma/seed.ts
index 4b90ec9..498f7a8 100644
--- a/server/prisma/seed.ts
+++ b/server/prisma/seed.ts
@@ -4,13 +4,16 @@ import { randomFloat } from '../src/shared/validators.js';
 
 const prisma = new PrismaClient();
 
-/** Città iniziali (blueprint §19): economia e rischio differenziati. */
+/**
+ * Città iniziali (blueprint §19): economia e rischio differenziati.
+ * mapX/mapY sono coordinate percentuali (0-100) sulla mappa stilizzata dell'Italia.
+ */
 const CITIES = [
-  { name: 'Milano', riskLevel: 3, policePressure: 1.1, economyModifier: 1.25 },
-  { name: 'Napoli', riskLevel: 4, policePressure: 1.3, economyModifier: 1.0 },
-  { name: 'Palermo', riskLevel: 4, policePressure: 1.25, economyModifier: 0.85 },
-  { name: 'Torino', riskLevel: 2, policePressure: 0.9, economyModifier: 1.0 },
-  { name: 'Bari', riskLevel: 3, policePressure: 1.0, economyModifier: 0.85 },
+  { name: 'Milano', riskLevel: 3, policePressure: 1.1, economyModifier: 1.25, mapX: 32, mapY: 12 },
+  { name: 'Napoli', riskLevel: 4, policePressure: 1.3, economyModifier: 1.0, mapX: 60, mapY: 58 },
+  { name: 'Palermo', riskLevel: 4, policePressure: 1.25, economyModifier: 0.85, mapX: 52, mapY: 86 },
+  { name: 'Torino', riskLevel: 2, policePressure: 0.9, economyModifier: 1.0, mapX: 16, mapY: 16 },
+  { name: 'Bari', riskLevel: 3, policePressure: 1.0, economyModifier: 0.85, mapX: 78, mapY: 52 },
 ];
 
 /** Item commerciabili iniziali (blueprint §19). */
@@ -32,6 +35,8 @@ async function main(): Promise<void> {
         riskLevel: city.riskLevel,
         policePressure: city.policePressure,
         economyModifier: city.economyModifier,
+        mapX: city.mapX,
+        mapY: city.mapY,
       },
     });
   }