diff --git a/src/lang/es.json b/src/lang/es.json
new file mode 100644
index 0000000..c3bce98
--- /dev/null
+++ b/src/lang/es.json
@@ -0,0 +1,215 @@
+{
+    "OSE.Edit": "Editar",
+    "OSE.Delete": "Borrar",
+    "OSE.Show": "Ver",
+    "OSE.Add": "Añadir",
+    "OSE.Ok": "Ok",
+    "OSE.Reset": "Reinciar",
+    "OSE.Cancel": "Cancelar",
+    "OSE.Roll": "Tirada",
+    "OSE.Success": "Éxito",
+    "OSE.Failure": "Fallo",
+
+    "OSE.Formula": "Formula",
+    "OSE.SitMod": "Modificador Situational",
+    "OSE.Modifier": "Modificador",
+    "OSE.RollMode": "Modo Tirada",
+    "OSE.RollExample": "ej. +1d4",
+
+    "OSE.Name": "Nombre",
+    "OSE.Class": "Clase",
+    "OSE.Title": "Titulo",
+    "OSE.Alignment": "Alineamiento",
+    "OSE.Level": "Nivel",
+    "OSE.Experience": "Experiencia",
+    "OSE.ExperienceBonus": "Bonus Experiencia",
+    "OSE.ExperienceAward": "Premio EXP",
+    "OSE.Treasure": "Tipo de Tesoro",
+    "OSE.TreasureTable": "Tabla",
+    "OSE.TreasureTableHint": "Arrastra una tabla aquí para tirar el tesoro del monstruo",
+    "OSE.Size": "Tamaño",
+    "OSE.Morale": "Moral",
+    "OSE.Retainer": "Seguidores",
+    "OSE.Appearing": "NA",
+    "OSE.Attack": "Ataque",
+    "OSE.Encumbrance": "Carga",
+
+    "OSE.Loyalty": "Puntuación Lealtad",
+    "OSE.LoyaltyShort": "PL",
+    
+    "OSE.AttributeCheck": "Prueba de Atributo",
+    "OSE.AttributeCheckDetails": "Tira 1d20 <= {score} para éxito",
+    "OSE.scores.str.long": "Fuerza",
+    "OSE.scores.str.short": "FUE",
+    "OSE.scores.wis.long": "Sabiduría",
+    "OSE.scores.wis.short": "SAB",
+    "OSE.scores.int.long": "Inteligencia",
+    "OSE.scores.int.short": "INT",
+    "OSE.scores.dex.long": "Destreza",
+    "OSE.scores.dex.short": "DES",
+    "OSE.scores.con.long": "Constitucion",
+    "OSE.scores.con.short": "CON",
+    "OSE.scores.cha.long": "Carisma",
+    "OSE.scores.cha.short": "CAR",
+
+    "OSE.SavingThrow": "Salvación",
+    "OSE.SavingThrowDetails": "Tira 1d20 >= {save} para éxito",
+    "OSE.saves.death.short": "M",
+    "OSE.saves.death.long": "Veneno o Muerte",
+    "OSE.saves.wand.short": "V",
+    "OSE.saves.wand.long": "Varitas mágicas",
+    "OSE.saves.paralysis.short": "P",
+    "OSE.saves.paralysis.long": "Petrificación o Parálisis",
+    "OSE.saves.breath.short": "A",
+    "OSE.saves.breath.long": "Aliento de Dragón",
+    "OSE.saves.spell.short": "C",
+    "OSE.saves.spell.long": "Sort. Varas Báculos",
+    "OSE.saves.magic.long": "Bonificación vs Magia",
+
+    "OSE.Health": "Puntos de Golpes",
+    "OSE.HealthMax": "Puntos de Golpes Máximos",
+    "OSE.HealthShort": "PG",
+    "OSE.HitDice": "Puntos de Golpe",
+    "OSE.HitDiceShort": "DG",
+    "OSE.Movement": "Movimiento",
+    "OSE.MovementDetails": "Detalles de Movimiento",
+    "OSE.MovementEncounter": "Combate",
+    "OSE.MovementEncounterShort": "Co",
+    "OSE.MovementOverland": "Base",
+    "OSE.MovementOverlandShort": "Ba",
+    "OSE.MovementExplorationShort": "Ex",
+    "OSE.MovementShort": "MV",
+    "OSE.ArmorClassNaked": "Sin Armadura",
+    "OSE.ArmorClass": "Clase de Armadura",
+    "OSE.ArmorClassShort": "CA",
+    "OSE.AscArmorClassShort": "CAA",
+    "OSE.SpellDC": "CD Conjuro",
+    "OSE.SpellDCShort": "CD",
+    "OSE.Thac0": "GAC0",
+    "OSE.ABShort": "BA",
+    "OSE.AB": "Bono Ataque",
+    "OSE.MeleeShort": "CC",
+    "OSE.Melee": "Cuerpo a Cuerpo",
+    "OSE.MeleeBonus": "Bono CC",
+    "OSE.MissileShort": "DIS",
+    "OSE.Missile": "Distancia",
+    "OSE.MissileBonus": "Bono Distancia",
+    "OSE.Initiative": "Iniciativa",
+    "OSE.InitiativeBonus": "Bonificador Iniciativa",
+    "OSE.InitiativeShort": "INI",
+    "OSE.Attacks": "Ataques usables por Round",
+    "OSE.AttacksShort": "ATQ",
+    "OSE.Damage": "Daño",
+    "OSE.Spellcaster": "Lanzador Conjuros",
+
+    "OSE.SpokenLanguages": "Lenguajes Hablados",
+    "OSE.Literacy": "Leer/Esc.",
+    "OSE.Literate": "Alfabetizado",
+    "OSE.LiteracyBasic": "Basico",
+    "OSE.Illiterate": "Analfabeto",
+    "OSE.NPCReaction": "Reacción NPC",
+    "OSE.RetainersMax": "#Seguidores",
+    
+    "OSE.category.attributes": "Atributos",
+    "OSE.category.inventory": "Inventario",
+    "OSE.category.abilities": "Habilidades",
+    "OSE.category.spells": "Conjuros",
+    "OSE.category.notes": "Notas",
+    
+    "OSE.panel.abilities": "Habilidades",
+    "OSE.panel.equipment": "Equipo",
+
+    "OSE.Setting.IndividualInit": "Iniciativa Individual",
+    "OSE.Setting.IndividualInitHint": "La iniciativa se lanza por cada actor y se modifica por su puntuación de DES",
+    "OSE.Setting.AscendingAC": "Categoria de Armadura Ascendente",
+    "OSE.Setting.AscendingACHint": "En cuanto más mejor",
+    "OSE.Setting.Morale": "Activar puntuación de Moral para monstruos",
+    "OSE.Setting.MoraleHint": "La puntuación de moral se ve en las hojas de monstruo",
+    "OSE.Setting.THAC0Attacks": "Ataques con GAC0",
+    "OSE.Setting.THAC0AttacksHint": "Los Ataques se resuelven usango el valor de GACO, no compatible con CAA",
+    "OSE.Setting.VariableWeaponDamage": "Daño de arma variable",
+    "OSE.Setting.VariableWeaponDamageHint": "Las armas tienen diferente dado de daño",
+    "OSE.Setting.Encumbrance": "Carga",
+    "OSE.Setting.EncumbranceHint": "Elige como se calcula la Carga",
+    "OSE.Setting.EncumbranceBasic": "Básica",
+    "OSE.Setting.EncumbranceDetailed": "Detallada",
+    "OSE.Setting.MovementAuto": "Calcular Movimiento",
+    "OSE.Setting.SignificantTreasure": "Peso de tesoro significativo",
+    "OSE.Setting.SignificantTreasureHint": "Peso con el que el tesoro reducirá el movimiento, solo útil para el cálculo básico",
+    "OSE.Setting.Welcome": "Mostrar mensaje de Bienvenida",
+    "OSE.Setting.WelcomeHint": "Muestra este molesto mensaje de Bienvenida",
+
+    "OSE.items.Equip": "Equipar",
+    "OSE.items.Unequip": "Desequipar",
+    "OSE.items.Misc": "Misc",
+    "OSE.items.Weapons": "Armas",
+    "OSE.items.Treasure": "Tesoro",
+    "OSE.items.Armors": "Armaduras",
+    "OSE.items.Weight": "Peso",
+    "OSE.items.Qualities": "Cualidades",
+    "OSE.items.Notes": "Notas",
+    "OSE.items.Cost": "Coste",
+    "OSE.items.Quantity": "Qt.",
+    "OSE.items.Roll": "Tirada",
+    "OSE.items.BlindRoll": "Ciega",
+    "OSE.items.Damage": "Daño",
+    "OSE.items.Melee": "CC",
+    "OSE.items.Missile": "Distancia",
+    "OSE.items.Slow": "Slow",
+    "OSE.items.ArmorAC": "CA",
+    "OSE.items.ArmorAAC": "CAA",
+    "OSE.items.Bonus": "Bonus",
+    "OSE.items.roundAttacks": "Ataques usados este Round",
+    "OSE.items.roundAttacksMax": "Máximo Ataques por Round",
+    "OSE.items.resetAttacks": "Reiniciar Ataques por Round",
+
+    "OSE.armor.type": "Tipo Armadura",
+    "OSE.armor.unarmored": "Sin Armadura",
+    "OSE.armor.light": "Ligera",
+    "OSE.armor.heavy": "Pesada",
+    "OSE.armor.shield": "Escudo",
+    
+    "OSE.spells.spend": "{speaker} esta lanzando {name}!",
+    "OSE.spells.Memorized": "Memorizado",
+    "OSE.spells.Cast": "Lanzar",
+    "OSE.spells.Range": "Alcance",
+    "OSE.spells.Slots": "Espacios",
+    "OSE.spells.Class": "Clase",
+    "OSE.spells.Duration": "Duración",
+    "OSE.spells.Level": "Nivel",
+    "OSE.spells.Save": "Salvación",
+    "OSE.spells.ResetSlots": "Reniciar Espacios de conjuro",
+
+    "OSE.abilities.Requirements": "Requisitos",
+
+    "OSE.ExplorationCheck": "Check",
+    "OSE.ExplorationCheckDetails": "Tirar 1d6 <= {expl} para éxito",
+    "OSE.exploration.ld.long": "Escuchar Ruidos",
+    "OSE.exploration.ld.short": "Escuchar Ruidos",
+    "OSE.exploration.ld.abrev": "ER",
+    "OSE.exploration.od.long": "Abrir puertas",
+    "OSE.exploration.od.short": "Abrir puertas",
+    "OSE.exploration.od.abrev": "AP",
+    "OSE.exploration.sd.long": "Detectar puertas secretas",
+    "OSE.exploration.sd.short": "Puertas secretas",
+    "OSE.exploration.sd.abrev": "PS",
+    "OSE.exploration.ft.long": "Detectar trampas y fosos",
+    "OSE.exploration.ft.short": "Detectar trampas",
+    "OSE.exploration.ft.abrev": "DT",
+
+    "OSE.messages.GetExperience": "{name} ha ganado {value} puntos de experiencia!",
+    "OSE.messages.AttackSuccess": "<b>Golpea CA {result}!</b> ({bonus})",
+    "OSE.messages.AttackAscendingSuccess": "<b>Golpea CA {result}!</b>",
+    "OSE.messages.AttackFailure": "<b>Falla el ataque</b> ({bonus})",
+    "OSE.messages.InflictsDamage": "Inflinge daño!",
+    "OSE.ChatContextDamage": "Aplicar Daño",
+    "OSE.ChatContextHealing": "Aplicar Curación",
+
+    "OSE.colors.green": "Verde",
+    "OSE.colors.red": "Rojo",
+    "OSE.colors.yellow": "Amarillo",
+    "OSE.colors.purple": "Purpura",
+    "OSE.colors.blue": "Azul",
+    "OSE.colors.orange": "Naranja",
+    "OSE.colors.white": "Blanco"
+}
\ No newline at end of file
diff --git a/src/system.json b/src/system.json
index b79d80b..2b1baca 100644
--- a/src/system.json
+++ b/src/system.json
@@ -28,6 +28,11 @@
       "lang": "fr",
       "name": "French (FRANCE)",
       "path": "lang/fr.json"
+    },
+    {
+      "lang": "es",
+      "name": "Spanish",
+      "path": "lang/es.json"
     }
   ],
   "gridDistance": 5,