diff --git a/src/main/kotlin/backend/config/MapConfig.kt b/src/main/kotlin/backend/config/MapConfig.kt
new file mode 100644
index 0000000..e5ebab3
--- /dev/null
+++ b/src/main/kotlin/backend/config/MapConfig.kt
@@ -0,0 +1,250 @@
+package backend.config
+
+import backend.config.ConfigField.Companion.default
+import tornadofx.*
+import kotlin.reflect.full.companionObjectInstance
+import kotlin.reflect.full.createInstance
+import kotlin.random.Random
+
+data class MapConfig(
+  val mapWidth: MapWidth = default(),
+  val mapHeight: MapHeight = default(),
+  val initialPlants: InitialPlants = default(),
+  val nutritionScore: NutritionScore = default(),
+  val plantsPerDay: PlantsPerDay = default(),
+  val plantGrowthVariant: PlantGrowthVariantField = default(),
+  val initialAnimals: InitialAnimals = default(),
+  val initialAnimalEnergy: InitialAnimalEnergy = default(),
+  val satietyEnergy: SatietyEnergy = default(),
+  val reproductionEnergyRatio: ReproductionEnergyRatio = default(),
+  val minMutations: MinMutations = default(),
+  val maxMutations: MaxMutations = default(),
+  val mutationVariant: MutationVariant = default(),
+  val genomeLength: GenomeLength = default(),
+)
+
+abstract class ConfigFieldInfo<T> {
+  abstract val label: String
+  abstract val description: String
+  abstract val errorMessage: String
+
+  abstract fun isValid(it: String): Boolean
+  fun validate(it: String) = require(isValid(it)) { errorMessage }
+}
+
+sealed class ConfigField<out T : Any>(
+  val value: T,
+) {
+  companion object {
+    inline fun <reified U : ConfigField<*>> find() = ConfigField::class.sealedSubclasses.first { it == U::class }
+
+    inline fun <reified U : ConfigField<*>> default(): U = find<U>().createInstance() as U
+
+    inline fun <reified U : ConfigField<*>> label() = (find<U>().companionObjectInstance as ConfigFieldInfo<*>).label
+
+    inline fun <reified U : ConfigField<*>> description() =
+      (find<U>().companionObjectInstance as ConfigFieldInfo<*>).description
+
+    inline fun <reified U : ConfigField<*>> errorMessage() =
+      (find<U>().companionObjectInstance as ConfigFieldInfo<*>).errorMessage
+
+    inline fun <reified U : ConfigField<*>> validate(value: String) =
+      (find<U>().companionObjectInstance as ConfigFieldInfo<*>).isValid(value)
+
+  }
+}
+
+class MapWidth(
+  mapWidth: Int = 50,
+) : ConfigField<Int>(
+  mapWidth,
+) {
+  companion object : ConfigFieldInfo<Int>() {
+    override val label = "Map width"
+    override val description = "Width of the map"
+    override val errorMessage = "Must be between 1 and 1000"
+    override fun isValid(it: String): Boolean = it.isInt() && it.toInt() in 1..1000
+  }
+}
+
+class MapHeight(
+  mapHeight: Int = 50,
+) : ConfigField<Int>(
+  mapHeight,
+) {
+  companion object : ConfigFieldInfo<Int>() {
+    override val label = "Map height"
+    override val description = "Height of the map"
+    override val errorMessage = "Must be between 1 and 1000"
+    override fun isValid(it: String): Boolean = it.isInt() && it.toInt() in 1..1000
+  }
+}
+
+class Seed(
+  seed: Int = Random.nextInt(),
+) : ConfigField<Int>(
+  seed,
+) {
+  companion object : ConfigFieldInfo<Int>() {
+    override val label = "Seed"
+    override val description = "Seed for random generator"
+    override val errorMessage = "Must be Int type"
+    override fun isValid(it: String): Boolean = it.isInt()
+  }
+}
+
+class InitialPlants(
+  initialPlants: Int = 300,
+) : ConfigField<Int>(
+  initialPlants,
+) {
+  companion object : ConfigFieldInfo<Int>() {
+    override val label = "Initial plants"
+    override val description = "Number of plants at the beginning of the simulation"
+    override val errorMessage: String = "Must be greater or equal than 0"
+    override fun isValid(it: String): Boolean = it.isInt() && it.toInt() >= 0
+  }
+}
+
+class NutritionScore(
+  nutritionScore: Int = 50,
+) : ConfigField<Int>(
+  nutritionScore,
+) {
+  companion object : ConfigFieldInfo<Int>() {
+    override val label = "Nutrition score"
+    override val description = "Energy provided by eating one plant"
+    override val errorMessage: String = "Must be greater or equal than 0"
+    override fun isValid(it: String): Boolean = it.isInt() && it.toInt() >= 0
+  }
+}
+
+class PlantsPerDay(
+  plantsPerDay: Int = 200,
+) : ConfigField<Int>(
+  plantsPerDay,
+) {
+  companion object : ConfigFieldInfo<Int>() {
+    override val label = "Plants per day"
+    override val description = "Number of plants growing each day"
+    override val errorMessage: String = "Must be greater or equal than 0"
+    override fun isValid(it: String): Boolean = it.isInt() && it.toInt() >= 0
+  }
+}
+
+class PlantGrowthVariantField(
+  plantGrowthVariant: PlantGrowthVariant = PlantGrowthVariant.EQUATOR,
+) : ConfigField<PlantGrowthVariant>(
+  plantGrowthVariant,
+) {
+  companion object : ConfigFieldInfo<PlantGrowthVariant>() {
+    override val label = "Plant growth variant"
+    override val description = "Variant of plant growth"
+    override val errorMessage: String = "Must be one of ${PlantGrowthVariant.entries.map { it.name }}"
+    override fun isValid(it: String) = PlantGrowthVariant.entries.map { it.name }.contains(it)
+  }
+}
+
+class InitialAnimals(
+  initialAnimals: Int = 100,
+) : ConfigField<Int>(
+  initialAnimals,
+) {
+  companion object : ConfigFieldInfo<Int>() {
+    override val label = "Initial animals"
+    override val description = "Number of animals at the beginning of the simulation"
+    override val errorMessage: String = "Must be greater or equal than 0"
+    override fun isValid(it: String) = it.isInt() && it.toInt() >= 0
+  }
+}
+
+class InitialAnimalEnergy(
+  initialAnimalEnergy: Int = 100,
+) : ConfigField<Int>(
+  initialAnimalEnergy,
+) {
+  companion object : ConfigFieldInfo<Int>() {
+    override val label = "Initial animal energy"
+    override val description = "Initial energy of animals"
+    override val errorMessage: String = "Must be greater than 0"
+    override fun isValid(it: String) = it.isInt() && it.toInt() > 0
+  }
+}
+
+class SatietyEnergy(
+  satietyEnergy: Int = 50,
+) : ConfigField<Int>(
+  satietyEnergy,
+) {
+  companion object : ConfigFieldInfo<Int>() {
+    override val label = "Satiety energy"
+    override val description = "Energy required to consider an animal full (and ready to reproduce)"
+    override val errorMessage: String = "Must be greater than 0"
+    override fun isValid(it: String) = it.isInt() && it.toInt() > 0
+  }
+}
+
+class ReproductionEnergyRatio(
+  reproductionEnergyRatio: Double = .5,
+) : ConfigField<Double>(
+  reproductionEnergyRatio,
+) {
+  companion object : ConfigFieldInfo<Double>() {
+    override val label = "Reproduction energy ratio"
+    override val description = "Proportion of energy used by parents to create offspring"
+    override val errorMessage: String = "Must be between 0 and 1"
+    override fun isValid(it: String) = it.isDouble() && it.toDouble() in 0.0..1.0
+  }
+}
+
+class MinMutations(
+  minMutations: Int = 0,
+) : ConfigField<Int>(
+  minMutations,
+) {
+  companion object : ConfigFieldInfo<Int>() {
+    override val label = "Min mutations"
+    override val description = "Minimum number of mutations in offspring (can be 0)"
+    override val errorMessage: String = "Must be greater or equal than 0"
+    override fun isValid(it: String) = it.isInt() && it.toInt() >= 0
+  }
+}
+
+class MaxMutations(
+  maxMutations: Int = 4,
+) : ConfigField<Int>(
+  maxMutations,
+) {
+  companion object : ConfigFieldInfo<Int>() {
+    override val label = "Max mutations"
+    override val description = "Maximum number of mutations in offspring (can be 0)"
+    override val errorMessage: String = "Must be greater or equal than 0"
+    override fun isValid(it: String) = it.isInt() && it.toInt() >= 0
+  }
+}
+
+class MutationVariant(
+  mutationVariant: Double = 0.0,
+) : ConfigField<Double>(
+  mutationVariant,
+) {
+  companion object : ConfigFieldInfo<Double>() {
+    override val label = "Mutation variant"
+    override val description = "Chance that genes will change, when 0 then default variant"
+    override val errorMessage: String = "Must be between 0 and 1"
+    override fun isValid(it: String) = it.isDouble() && it.toDouble() in 0.0..1.0
+  }
+}
+
+class GenomeLength(
+  genomeLength: Int = 5,
+) : ConfigField<Int>(
+  genomeLength,
+) {
+  companion object : ConfigFieldInfo<Int>() {
+    override val label = "Genome length"
+    override val description = "Length of the genome"
+    override val errorMessage: String = "Must be greater than 0"
+    override fun isValid(it: String) = it.isInt() && it.toInt() > 0
+  }
+}