Looks like it works yeeha

TOOHUCardAPI/Controllers/PlayerDataController.cs

@@ -117,35 +117,15 @@ namespace TOOHUCardAPI.Controllers
             IEnumerable<User> users = new List<User>();
             foreach (var val in requestObject.Ids.Values)
             {
-                users = users.Append(await _userService.LoginUser(val)); // threading errors
+                users = users.Append(await _userService.LoginUser(val)); // threading errors, can't use linq here
             }
-            IEnumerable<long> queriedUserSteamIds = requestObject.Ids.Select(i => i.Value);
-            IEnumerable<PlayerDataGetResponseObjectPlayer> responsePlayers = users
-                .Where(user => queriedUserSteamIds.Contains(user.SteamId))
-                .Select(user => user.ToGetResponse(_mapper));
-            Dictionary<int, PlayerDataGetResponseObjectPlayer> playersStatic = requestObject.Ids
-                .Select(pair =>
-                    KeyValuePair.Create(pair.Key, responsePlayers.FirstOrDefault(resp => resp.SteamId == pair.Value)))
+
+            Dictionary<int, PlayerDataGetResponseObjectPlayer> players = users
+                .Select(((user, i) => KeyValuePair.Create(i, user.ToGetResponse(_mapper))))
                 .ToDictionary(kv => kv.Key, kv => kv.Value);
-            Dictionary<int, Dictionary<string, object>> dynamicResponses = playersStatic
-                    .Select(kv =>
-                    {
-                        var obj = JsonConvert.DeserializeObject<Dictionary<string, object>>(JsonConvert.SerializeObject(kv.Value));
-                        return KeyValuePair.Create(kv.Key, obj);
-                    })
-                    .ToDictionary(kv => kv.Key, kv => kv.Value);
-            foreach (var kv in dynamicResponses)
-            {
-                var props = kv.Value;
-                var user = users.FirstOrDefault(user1 => user1.SteamId == requestObject.Ids[kv.Key]);
-                foreach (var cardgroup in user.EncodedCardGroups ?? new List<EncodedCardGroup>())
-                {
-                    props[$"{cardgroup.GroupKey}"] = cardgroup.EncodedString;
-                }
-            }
             PlayerDataGetResponseObject response = new PlayerDataGetResponseObject()
             {
-                Players = dynamicResponses
+                Players = players
             };
 
             return Ok(response);

TOOHUCardAPI/DTO/PlayerData/PlayerDataGetResponseObject.cs

@@ -12,7 +12,7 @@ namespace TOOHUCardAPI.DTO.PlayerData
     {
         // Instead of using a defined object, use a dictionary so we can add the necessary cardgroup items. I dont want to make 20 of them in the class
         [JsonProperty("bo")]
-        public Dictionary<int, Dictionary<string, object>> Players { get; set; }
+        public Dictionary<int, PlayerDataGetResponseObjectPlayer> Players { get; set; }
         
     }
     /**

TOOHUCardAPI/Data/AutomapProfile.cs

@@ -9,7 +9,7 @@ namespace TOOHUCardAPI.Data
     {
         public AutomapProfile()
         {
-            CreateMap<User, PlayerDataGetResponseObjectPlayer>();
+            CreateMap<User, PlayerDataGetResponseObjectPlayer>().ForMember(i => i.EncodedCardGroups, opt => opt.Ignore());
             CreateMap<User, PlayerBaseDataResponse>();
             
         }