diff --git a/ccpq/lib_ccpq.py b/ccpq/lib_ccpq.py
index 8cd2f96..8e865fc 100644
--- a/ccpq/lib_ccpq.py
+++ b/ccpq/lib_ccpq.py
@@ -34,7 +34,7 @@ class Question(object):
         self._question = self._data[QUESTION].strip()
         self._answers = self._data[ANSWER].strip().split(" ")
         self._answers = [x for x in self._answers if x]
-        self._create_list_of_possibilities()
+        self._possibilities = self._create_list_of_possibilities()
         try:
             self._explication = self._data[EXPLICATION].strip()
         except:
@@ -73,7 +73,7 @@ class Question(object):
             if key.isnumeric():
                 possibilities.append(self._data[key])
         possibilities = [x for x in possibilities if x] # hack to remove empty objects
-        self._possibilities = possibilities
+        return possibilities
 
     def get_possibilities(self):
         return self._possibilities
@@ -201,6 +201,9 @@ class Player(object):
         self.name = name
         self.stats = Stats()
 
+    def __str__(self):
+        return self.name
+
     def get_stats(self):
         return self.name, self.stats.get_right(), self.stats.get_wrong()
 
diff --git a/standalone_tui.py b/standalone_tui.py
index 641f86e..92d59c3 100755
--- a/standalone_tui.py
+++ b/standalone_tui.py
@@ -30,7 +30,7 @@ DIFFICULTY = {
         "hard": "102-500",
         }
 
-DIFFICULTY_SCALE = [
+LEVELS = [
         "010-160",
         "101-400",
         "101-500",
@@ -48,25 +48,25 @@ class Tui(object):
         os.system("clear")
         md = Markdown("# {}".format(question.get_question()))
         self._console.print(md)
+        md = Markdown("level: {}".format(question.get_level()))
+        self._console.print(md)
         md = ""
         for possibility in question.get_possibilities():
             md += "1. {}\n".format(possibility)
         md = Markdown(md)
         self._console.print(md)
 
-    def prompt_for_answer(self):
+    def prompt_for_answer(self, name):
         #md = Markdown("What's your answer?")
         #self._console.print(md)
-        answer = self._parse_input()
+        answer = self._parse_input(name)
         return answer
 
-    def _parse_input(self):
+    def _parse_input(self, name):
         """
-        TODO make it adapt to questions with multiple choices and fill the
-        blank
         """
         answers = []
-        results = input("\n What's your answer? (only numbers, separated by a SPACE) ")
+        results = input("\n {}, what's your answer? (only numbers, separated by a SPACE) ".format(name))
         results = results.split()
         for result in results:
             if result.isdigit():
@@ -149,10 +149,11 @@ class Application(object):
     def run(self):
         while self._number > 0:
             player = self._session.get_random_player()
-            self._interface.signal_player(player)
+            if len(self._session.get_all_players()) > 1:
+                self._interface.signal_player(player)
             question = self._db.get_question()
             self._interface.ask_question(question)
-            answer = self._interface.prompt_for_answer()
+            answer = self._interface.prompt_for_answer(player)
             stat = question.verify(answer)
             player.stats.update_stats(stat)
             self._interface.show_success(stat)
@@ -171,23 +172,64 @@ class Application(object):
         self._interface.goodbye()
 
 
+def level_logic(level, difficulty):
+    if level is None and difficulty is None:
+        level = "lpic1_part1"
+    elif level is not None:
+        level = LEVELS[0:LEVELS.index(DIFFICULTY[level]) + 1]
+    elif difficulty is not None:
+        level = LEVELS[0:LEVELS.index(DIFFICULTY[difficulty]) + 1]
+    return level
+
+
 if __name__ == "__main__":
     parser = argparse.ArgumentParser()
-    parser.add_argument("-f", "--file", required=True, help="file to use as database", action="store")
-    parser.add_argument("-p", "--players", required=False, default="", help="list of players", action="store")
-    parser.add_argument("-n", "--number", default=10, help="number of questions to ask", type=int, action="store")
-    parser.add_argument("-d", "--difficulty", default="easy", help="easy, medium or hard", type=str, action="store")
+    parser.add_argument(
+            "-f",
+            "--file",
+            required=False,
+            default="data",
+            help="path to specific CSV file or directory", 
+            action="store"
+            )
+    parser.add_argument(
+            "-p",
+            "--players",
+            required=False,
+            default="",
+            help="file with list of players",
+            action="store"
+            )
+    parser.add_argument(
+            "-n",
+            "--number",
+            default=20,
+            help="number of questions to ask",
+            type=int,
+            action="store"
+            )
+    group_level = parser.add_mutually_exclusive_group()
+    group_level.add_argument(
+            "-d",
+            "--difficulty",
+            choices=DIFFICULTY.keys(),
+            help="easy, medium or hard"
+            )
+    group_level.add_argument(
+            "-l",
+            "--level",
+            choices=LEVELS,
+            help="LPI level to test"
+            )
     args = parser.parse_args()
+
     filepath_csv = pathlib.Path(args.file)
     filepath_players = pathlib.Path(args.players)
     if not filepath_csv.exists():
         print("no such file or directory!")
         exit(1)
-    try:
-        level = DIFFICULTY_SCALE[0:DIFFICULTY_SCALE.index(DIFFICULTY[args.difficulty]) + 1]
-    except Exception as e:
-        print(e)
-        level = DIFFICULTY_SCALE[0:DIFFICULTY_SCALE.index(DIFFICULTY["easy"])]
+
+    level = level_logic(args.level, args.difficulty)
     interface = Tui()
     app = Application(filepath_csv, filepath_players, interface, args.number, level)
     try: