diff --git a/SteamWebAPI2/Interfaces/SteamUser.cs b/SteamWebAPI2/Interfaces/SteamUser.cs
index 7f7fb09..e72705c 100644
--- a/SteamWebAPI2/Interfaces/SteamUser.cs
+++ b/SteamWebAPI2/Interfaces/SteamUser.cs
@@ -3,6 +3,7 @@
 using System;
 using System.Collections.Generic;
 using System.Collections.ObjectModel;
+using System.Linq;
 using System.Threading.Tasks;
 
 namespace SteamWebAPI2.Interfaces
@@ -29,6 +30,20 @@ public async Task<PlayerSummary> GetPlayerSummaryAsync(long steamId)
             }
         }
 
+        public async Task<IEnumerable<PlayerSummary>> GetPlayerSummaryAsync(IEnumerable<long> steamIds)
+        {
+            string steamIdsCsv = string.Join(",", steamIds.Select(l => l.ToString()));
+            List <SteamWebRequestParameter> parameters = new List<SteamWebRequestParameter>();
+            AddToParametersIfHasValue(steamIdsCsv, "steamids", parameters);
+            var playerSummary = await CallMethodAsync<PlayerSummaryResultContainer>("GetPlayerSummaries", 2, parameters);
+
+            if (playerSummary.Result.Players.Count > 0)
+            {
+                return playerSummary.Result.Players;
+            }
+            return null;
+        }
+
         public async Task<IReadOnlyCollection<Friend>> GetFriendsListAsync(long steamId, string relationship = "")
         {
             List<SteamWebRequestParameter> parameters = new List<SteamWebRequestParameter>();
diff --git a/SteamWebAPI2/SteamWebAPI2.csproj b/SteamWebAPI2/SteamWebAPI2.csproj
index 379df56..289473f 100644
--- a/SteamWebAPI2/SteamWebAPI2.csproj
+++ b/SteamWebAPI2/SteamWebAPI2.csproj
@@ -9,8 +9,9 @@
     <AppDesignerFolder>Properties</AppDesignerFolder>
     <RootNamespace>SteamWebAPI2</RootNamespace>
     <AssemblyName>SteamWebAPI2</AssemblyName>
-    <TargetFrameworkVersion>v4.6</TargetFrameworkVersion>
+    <TargetFrameworkVersion>v4.5</TargetFrameworkVersion>
     <FileAlignment>512</FileAlignment>
+    <TargetFrameworkProfile />
   </PropertyGroup>
   <PropertyGroup Condition=" '$(Configuration)|$(Platform)' == 'Debug|AnyCPU' ">
     <DebugSymbols>true</DebugSymbols>