diff --git a/src/main/java/com/cristobalbernal/loladvisor/LolAdvisorRunApp.java b/src/main/java/com/cristobalbernal/loladvisor/LolAdvisorRunApp.java
index 45fd4ff..ad13312 100644
--- a/src/main/java/com/cristobalbernal/loladvisor/LolAdvisorRunApp.java
+++ b/src/main/java/com/cristobalbernal/loladvisor/LolAdvisorRunApp.java
@@ -1,4 +1,5 @@
 package com.cristobalbernal.loladvisor;
+import com.cristobalbernal.loladvisor.dao.LolDaoImplMemory;
 import com.cristobalbernal.loladvisor.model.Lol;
 import com.cristobalbernal.loladvisor.service.LolQueryService;
 import com.cristobalbernal.loladvisor.service.LolService;
@@ -15,6 +16,7 @@ public class LolAdvisorRunApp {
 	private LolService videogameService;
 	@Autowired
 	private LolQueryService lolQueryService;
+	private LolDaoImplMemory daoImplMemory;
 	@Autowired
 	private LolAdvisorHelp help;
 	
@@ -62,6 +64,20 @@ public class LolAdvisorRunApp {
 				case "-t":
 					lolQueryService.titleContains(argumento[1]);
 					break;
+					case "-l":
+						daoImplMemory.findAll();
+					break;
+					case "-c":
+						daoImplMemory.mostrarCantidadPersonajes();
+					break;
+					case "-p":
+						daoImplMemory.buscarPorID(Integer.parseInt(argumento[1]));
+					break;
+					case "-df":
+						lolQueryService.mostrarPorDificultada(argumento[1].split(","));
+					break;
+
+
 				default: error = true;
 						 System.out.println("Error de sintaxis");
 						 System.out.println(help.getHelp());
diff --git a/src/main/java/com/cristobalbernal/loladvisor/dao/LolDao.java b/src/main/java/com/cristobalbernal/loladvisor/dao/LolDao.java
index 62ebdf1..407a0ec 100644
--- a/src/main/java/com/cristobalbernal/loladvisor/dao/LolDao.java
+++ b/src/main/java/com/cristobalbernal/loladvisor/dao/LolDao.java
@@ -4,9 +4,10 @@ import com.cristobalbernal.loladvisor.model.Lol;
 import java.util.Collection;
 
 public interface LolDao {
-	public Lol findById(long id);
+	public void buscarPorID(long id);
 	public Collection<Lol> findAll();
-	public void insert(Lol videogame);
-	public void edit(Lol videogame);
-	public void delete(long id);
+	public void insertarPersonaje(Lol videogame);
+	public void editarPersonaje(Lol videogame);
+	public void eliminarPersonaje(long id);
+	public void mostrarCantidadPersonajes();
 }
diff --git a/src/main/java/com/cristobalbernal/loladvisor/dao/LolDaoImplMemory.java b/src/main/java/com/cristobalbernal/loladvisor/dao/LolDaoImplMemory.java
index ef612c9..99a5bea 100644
--- a/src/main/java/com/cristobalbernal/loladvisor/dao/LolDaoImplMemory.java
+++ b/src/main/java/com/cristobalbernal/loladvisor/dao/LolDaoImplMemory.java
@@ -23,34 +23,39 @@ public class LolDaoImplMemory implements LolDao {
 	public void init() {
 		lol = UtilLolFileReader.readFile(appConfig.getFile(), appConfig.getSeparator(), appConfig.getListSeparator());
 	}
-
-	public Lol findById(long id) {
+	@Override
+	public void buscarPorID(long id) {
 		Optional<Lol> result = lol.stream().filter(lol -> lol.getId() == id).findFirst();
-		return result.orElse(null);
+		System.out.println(result.orElse(null));
 	}
-	
+	@Override
 	public Collection<Lol> findAll() {
 		return lol;
 	}
 
-	public void insert(Lol videogame) {
+	public void insertarPersonaje(Lol videogame) {
 		lol.add(videogame);
 	}
-
-	public void edit(Lol videogame) {
+	@Override
+	public void editarPersonaje(Lol videogame) {
 		int i = getIndexOf(videogame.getId());
 		if(i != -1) {
 			lol.set(i, videogame);
 		}
 	}
-
-	public void delete(long id) {
+	@Override
+	public void eliminarPersonaje(long id) {
 		int i = getIndexOf(id);
 		if(i != -1) {
 			lol.remove(i);
 		}
 	}
-	
+
+	@Override
+	public void mostrarCantidadPersonajes() {
+		System.out.println(lol.size());
+	}
+
 	private int getIndexOf(long id) {
 		boolean founds = false;
 		int i = 0;
diff --git a/src/main/java/com/cristobalbernal/loladvisor/dao/UtilLolFileReader.java b/src/main/java/com/cristobalbernal/loladvisor/dao/UtilLolFileReader.java
index 5ce5aa6..0075cf8 100644
--- a/src/main/java/com/cristobalbernal/loladvisor/dao/UtilLolFileReader.java
+++ b/src/main/java/com/cristobalbernal/loladvisor/dao/UtilLolFileReader.java
@@ -20,7 +20,7 @@ public class UtilLolFileReader {
 						.map(line -> {
 							String[] values = line.split(separator);
 							return new Lol(Long.parseLong(values[0]), values[1],
-									Arrays.asList(values[3].split(listSeparator)), values[4]);
+									Arrays.asList(values[2].split(listSeparator)),values[3], values[4]);
 					}).collect(Collectors.toList());
  			// @formatter:on
 
diff --git a/src/main/java/com/cristobalbernal/loladvisor/model/Lol.java b/src/main/java/com/cristobalbernal/loladvisor/model/Lol.java
index 024c400..4d3f7a1 100644
--- a/src/main/java/com/cristobalbernal/loladvisor/model/Lol.java
+++ b/src/main/java/com/cristobalbernal/loladvisor/model/Lol.java
@@ -6,15 +6,25 @@ public class Lol {
 	private long id;
 	private String nombre;
 	private List<String> rol;
+	private String dificultad;
 	private String genero;
 	
 	public Lol() {}
 
-	public Lol(long id, String nombre, List<String> rol, String plataformas) {
+	public String getDificultad() {
+		return dificultad;
+	}
+
+	public void setDificultad(String dificultad) {
+		this.dificultad = dificultad;
+	}
+
+	public Lol(long id, String nombre, List<String> rol, String dificultad, String genero) {
 		this.id = id;
 		this.nombre = nombre;
 		this.rol = rol;
-		this.genero = plataformas;
+		this.dificultad = dificultad;
+		this.genero = genero;
 	}
 
 	public long getId() {
@@ -51,7 +61,7 @@ public class Lol {
 	@Override
 	public String toString() {
 		return "Videogame [id=" + id + ", nombre=" + nombre + ", Rol="
-				+ rol.toString() + ", plataformas=" + genero + "]";
+				+ rol.toString() + ", plataformas=" + genero + ", dificultada= " + dificultad +"]";
 	}
 
 	
diff --git a/src/main/java/com/cristobalbernal/loladvisor/service/LolQueryService.java b/src/main/java/com/cristobalbernal/loladvisor/service/LolQueryService.java
index 5185e4f..6e2f1a8 100644
--- a/src/main/java/com/cristobalbernal/loladvisor/service/LolQueryService.java
+++ b/src/main/java/com/cristobalbernal/loladvisor/service/LolQueryService.java
@@ -8,4 +8,7 @@ public interface LolQueryService {
 	public LolQueryService anyName(String... name);
 	public LolQueryService allName(String... name);
 	public LolQueryService titleContains(String title);
+	public LolQueryService mostrarPorDificultada(String... dificultad);
+	public LolQueryService mostrarPorGenero(String... genero);
+
 }
diff --git a/src/main/java/com/cristobalbernal/loladvisor/service/LolQueryServiceImpl.java b/src/main/java/com/cristobalbernal/loladvisor/service/LolQueryServiceImpl.java
index cb73f5c..cc2d249 100644
--- a/src/main/java/com/cristobalbernal/loladvisor/service/LolQueryServiceImpl.java
+++ b/src/main/java/com/cristobalbernal/loladvisor/service/LolQueryServiceImpl.java
@@ -54,4 +54,17 @@ public class LolQueryServiceImpl implements LolQueryService {
 		return this;
 	}
 
+	@Override
+	public LolQueryService mostrarPorDificultada(String... dificultad) {
+		Predicate<Lol> pAnyGenre = (lol -> Arrays.stream(dificultad).anyMatch(lol.getDificultad()::contains));
+		predicate = (predicate == null) ? pAnyGenre : predicate.and(pAnyGenre);
+		return this;
+	}
+
+	@Override
+	public LolQueryService mostrarPorGenero(String... genero) {
+		Predicate<Lol> pAnyGenre = (lol -> Arrays.stream(genero).anyMatch(lol.getGenero()::contains));
+		predicate = (predicate == null) ? pAnyGenre : predicate.and(pAnyGenre);
+		return this;
+	}
 }
diff --git a/src/main/java/com/cristobalbernal/loladvisor/service/LolService.java b/src/main/java/com/cristobalbernal/loladvisor/service/LolService.java
index 40377e9..5d2b259 100644
--- a/src/main/java/com/cristobalbernal/loladvisor/service/LolService.java
+++ b/src/main/java/com/cristobalbernal/loladvisor/service/LolService.java
@@ -40,6 +40,9 @@ public class LolService {
 	public Collection<Lol> findByAllGenres(String... genres) {
 		return queryService.allName(genres).exec();
 	}
+	public Collection<Lol> buscarPorDifucultad(String... dificultada){
+		return null;
+	}
 
 	public Collection<Lol> findByTitleContains(String title) {
 		return queryService.titleContains(title).exec();