diff --git a/highscores.py b/highscores.py
index 681e59a..2f06277 100644
--- a/highscores.py
+++ b/highscores.py
@@ -4,6 +4,7 @@ main file for pvm-highscores bot
 
 import logging
 import os
+import sys
 
 import nextcord
 from nextcord.ext import commands
@@ -32,6 +33,11 @@ submission_objects: dict = {}
 
 def main():
     """Main function for bot."""
+    min_python_version = (3, 7)
+    if sys.version_info < min_python_version:
+        print("ERROR: Python version must be >= 3.7")
+        sys.exit()
+
     # Allows privledged intents for monitoring members joining, roles editing, and role assignments
     # These need to be enabled in the developer portal as well
     intents = nextcord.Intents.default()
diff --git a/utilities/highscores_data.py b/utilities/highscores_data.py
index 66ec10a..071245d 100644
--- a/utilities/highscores_data.py
+++ b/utilities/highscores_data.py
@@ -32,8 +32,8 @@ class HighscoresData:
             skeleton["tables"][boss] = {"message_id": 0}
             boss_categories = {}
             for category in categories:
-                rank_list = []
-                boss_categories[category] = rank_list
+                scores_list = {}
+                boss_categories[category] = scores_list
             skeleton["tables"][boss]["categories"] = boss_categories
 
         self._data[str(guild_id)] = skeleton
@@ -66,40 +66,17 @@ class HighscoresData:
                 minutes = score.split(":")[0]
                 seconds = score.split(":")[1]
                 score_seconds = int(minutes) * 60 + float(seconds)
-            score_tuple = (user, score, score_seconds)
-            sort_index = 2
-        else:
-            score_tuple = (user, int(score))
+            score_list = [score, score_seconds]
             sort_index = 1
+        else:
+            score_list = [int(score)]
+            sort_index = 0
 
-        # if user is in an existing tuple, delete it.
-        users_scores: "list[tuple]" = [score_tuple]
-        for tup in scores:
-            if user == tup[0]:
-                # Add tup to users_scores, remove from scores
-                users_scores.append(tup)
+        # Will not ensure new score is better than old one. Allows for correcting mistakes.
 
-        # sort users_scores
-        users_scores.sort(
-            key=lambda x: x[sort_index],
-            reverse=not ascending,
-        )
+        scores[user] = score_list
 
-        for index, tup in enumerate(users_scores):
-            if index == 0:
-                # first score is the best score.
-                if tup not in scores:
-                    scores.append(tup)
-            else:
-                # discard all other scores from scores list.
-                if tup in scores:
-                    scores.remove(tup)
-
-        # sort scores.
-        scores.sort(
-            key=lambda x: x[sort_index],
-            reverse=not ascending,
-        )
+        scores = dict(sorted(scores.items(), key=lambda x: x[1][sort_index], reverse=not ascending))
 
         self._data[str(guild_id)]["tables"][boss_name]["categories"][category] = scores
         save_highscores_data(self._data)
diff --git a/utilities/utils.py b/utilities/utils.py
index 64df95e..e7bdd3f 100644
--- a/utilities/utils.py
+++ b/utilities/utils.py
@@ -17,27 +17,28 @@ def format_highscore_message(boss_name: str, guild_id: int):
     ret_string = f"**{boss_name}**\n```"
 
     # Gather all categories and add to string
-    for key, value in highscores_data.get_categories_data(guild_id, boss_name):
-        ret_string += f"{key}".ljust(26, " ")
+    for category_name in highscores_data.get_table_categories(guild_id, boss_name):
+        ret_string += f"{category_name}".ljust(26, " ")
     ret_string += "\n"
 
     highscore_size = highscores_data.get_config_highscore_size()
 
     # list rankings in a single line. Start with first place for each category and then continue
     for i in range(highscore_size):
-        for key, value in highscores_data.get_categories_data(guild_id, boss_name):
-            if len(value) > i:
-                score_pair = value[i]
-
+        for category_name, category_data in highscores_data.get_categories_data(
+            guild_id, boss_name
+        ):
+            if len(category_data) > i:
                 # pad username to max length.
-                username: str = score_pair[0].ljust(
+                username: str = list(category_data.keys())[i].ljust(
                     highscores_data.get_guild_username_length(guild_id), " "
                 )
-                score: str = str(score_pair[1])
+                # turns category data value into a string. Very janky.
+                score: str = str(list(category_data.values())[i][0])
 
                 # pad score to correct length
                 # MM:SS.ms is 7 characters long
-                if highscores_data.get_config_time_record(key):
+                if highscores_data.get_config_time_record(category_name):
                     # if there are single digit minutes, add a space for formatting.
                     if score.find(":") and len(score.split(":", maxsplit=1)[0]) < 2:
                         score = " " + score