diff --git a/server/src/main/kotlin/delta/codecharacter/server/config/GameConfiguration.kt b/server/src/main/kotlin/delta/codecharacter/server/config/GameConfiguration.kt
index 4427c107..151bac96 100644
--- a/server/src/main/kotlin/delta/codecharacter/server/config/GameConfiguration.kt
+++ b/server/src/main/kotlin/delta/codecharacter/server/config/GameConfiguration.kt
@@ -14,16 +14,17 @@ class GameConfiguration {
         return GameParameters(
             attackers =
             setOf(
-                Attacker(id = 1, hp = 10, range = 3, attackPower = 3, speed = 3, price = 1),
-                Attacker(id = 2, hp = 10, range = 3, attackPower = 3, speed = 3, price = 1),
+                Attacker(id = 1, hp = 10, range = 2, attackPower = 4, speed = 4, price = 2),
+                Attacker(id = 2, hp = 20, range = 4, attackPower = 2, speed = 2, price = 2),
             ),
             defenders =
             setOf(
-                Defender(id = 1, hp = 10, range = 4, attackPower = 5, price = 1),
-                Defender(id = 2, hp = 10, range = 6, attackPower = 5, price = 1),
+                Defender(id = 1, hp = 400, range = 4, attackPower = 10, price = 25),
+                Defender(id = 2, hp = 600, range = 6, attackPower = 20, price = 50),
             ),
             numberOfTurns = 500,
-            numberOfCoins = 1000,
+            numberOfCoins = 1500,
+            mapCoins = 5000,
         )
     }
 }
diff --git a/server/src/main/kotlin/delta/codecharacter/server/logic/validation/MapValidator.kt b/server/src/main/kotlin/delta/codecharacter/server/logic/validation/MapValidator.kt
index da513a5f..3244f357 100644
--- a/server/src/main/kotlin/delta/codecharacter/server/logic/validation/MapValidator.kt
+++ b/server/src/main/kotlin/delta/codecharacter/server/logic/validation/MapValidator.kt
@@ -36,5 +36,17 @@ class MapValidator {
         ) {
             throw CustomException(HttpStatus.BAD_REQUEST, invalidMapMessage)
         }
+
+        var totalCoins = 0
+        map.forEach { row ->
+            row.forEach { cell ->
+                if (cell != 0) {
+                    totalCoins += gameParameters.defenders.first { it.id == cell }.price
+                }
+            }
+        }
+        if (totalCoins > gameParameters.mapCoins) {
+            throw CustomException(HttpStatus.BAD_REQUEST, invalidMapMessage)
+        }
     }
 }
diff --git a/server/src/main/kotlin/delta/codecharacter/server/params/GameParameters.kt b/server/src/main/kotlin/delta/codecharacter/server/params/GameParameters.kt
index 1e5e3e3d..5bd5a830 100644
--- a/server/src/main/kotlin/delta/codecharacter/server/params/GameParameters.kt
+++ b/server/src/main/kotlin/delta/codecharacter/server/params/GameParameters.kt
@@ -1,5 +1,6 @@
 package delta.codecharacter.server.params
 
+import com.fasterxml.jackson.annotation.JsonIgnore
 import com.fasterxml.jackson.annotation.JsonProperty
 import delta.codecharacter.server.params.game_entities.Attacker
 import delta.codecharacter.server.params.game_entities.Defender
@@ -9,4 +10,5 @@ data class GameParameters(
     @field:JsonProperty("defenders", required = true) val defenders: Set<Defender>,
     @field:JsonProperty("no_of_turns", required = true) val numberOfTurns: Int,
     @field:JsonProperty("no_of_coins", required = true) val numberOfCoins: Int,
+    @JsonIgnore val mapCoins: Int,
 )