diff --git a/src/library/Syroot.Worms.Armageddon/Team.cs b/src/library/Syroot.Worms.Armageddon/Team.cs
index c7184d5..5160f31 100644
--- a/src/library/Syroot.Worms.Armageddon/Team.cs
+++ b/src/library/Syroot.Worms.Armageddon/Team.cs
@@ -211,7 +211,7 @@ namespace Syroot.Worms.Armageddon
                 {
                     BitsPerPixel = 8,
                     Size = new Size(24, 32),
-                    Palette = reader.ReadStructs<Color>(256),
+                    Palette = reader.ReadColors(256),
                     Data = reader.ReadBytes(24 * 32)
                 };
             }
@@ -234,7 +234,7 @@ namespace Syroot.Worms.Armageddon
             {
                 BitsPerPixel = 8,
                 Size = new Size(20, 17),
-                Palette = reader.ReadStructs<Color>(256),
+                Palette = reader.ReadColors(256),
                 Data = reader.ReadBytes(20 * 17)
             };
 
@@ -264,7 +264,7 @@ namespace Syroot.Worms.Armageddon
             if (GraveSprite < 0)
             {
                 writer.WriteString(GraveFileName, 0x20);
-                writer.WriteStructs(Grave.Palette);
+                writer.WriteColors(Grave.Palette);
                 writer.Write(Grave.Data);
             }
 
@@ -282,7 +282,7 @@ namespace Syroot.Worms.Armageddon
             writer.WriteStructs(MissionStatuses);
 
             writer.WriteString(FlagFileName, 0x20);
-            writer.WriteStructs(Flag.Palette);
+            writer.WriteColors(Flag.Palette);
             writer.Write(Flag.Data);
 
             writer.Write(DeathmatchRank);
@@ -301,14 +301,11 @@ namespace Syroot.Worms.Armageddon
     [DebuggerDisplay("TeamMissionStatus Attemps={Attempts} Medal={Medal}")]
     public struct TeamMissionStatus
     {
-        /// <summary>
-        /// The number of attempts the team required to solve the mission.
-        /// </summary>
-        public int Attempts;
+        // ---- FIELDS -------------------------------------------------------------------------------------------------
 
-        /// <summary>
-        /// The medal the team got to solve the mission.
-        /// </summary>
+        /// <summary>The number of attempts the team required to solve the mission.</summary>
+        public int Attempts;
+        /// <summary>The medal the team got to solve the mission.</summary>
         public int Medal;
     }
 
@@ -317,44 +314,21 @@ namespace Syroot.Worms.Armageddon
     /// </summary>
     public enum TeamWeapon : byte
     {
-        /// <summary>
-        /// The Flame Thrower weapon.
-        /// </summary>
+        /// <summary>The Flame Thrower weapon.</summary>
         Flamethrower,
-
-        /// <summary>
-        /// The Mole Bomb weapon.
-        /// </summary>
+        /// <summary>The Mole Bomb weapon.</summary>
         MoleBomb,
-
-        /// <summary>
-        /// The Old Woman weapon.
-        /// </summary>
+        /// <summary>The Old Woman weapon.</summary>
         OldWoman,
-
-        /// <summary>
-        /// The Homing Pigeon weapon.
-        /// </summary>
+        /// <summary>The Homing Pigeon weapon.</summary>
         HomingPigeon,
-
-        /// <summary>
-        /// The Sheep Launcher weapon.
-        /// </summary>
+        /// <summary>The Sheep Launcher weapon.</summary>
         SheepLauncher,
-
-        /// <summary>
-        /// The Mad Cow weapon.
-        /// </summary>
+        /// <summary>The Mad Cow weapon.</summary>
         MadCow,
-
-        /// <summary>
-        /// The Holy Hand Grenade weapon.
-        /// </summary>
+        /// <summary>The Holy Hand Grenade weapon.</summary>
         HolyHandGrenade,
-
-        /// <summary>
-        /// The Super Sheep or Aqua Sheep weapon.
-        /// </summary>
+        /// <summary>The Super Sheep or Aqua Sheep weapon.</summary>
         SuperSheep
     }
 }
diff --git a/src/library/Syroot.Worms.Armageddon/TeamContainer.cs b/src/library/Syroot.Worms.Armageddon/TeamContainer.cs
index 6b54529..a2e4cd5 100644
--- a/src/library/Syroot.Worms.Armageddon/TeamContainer.cs
+++ b/src/library/Syroot.Worms.Armageddon/TeamContainer.cs
@@ -57,7 +57,7 @@ namespace Syroot.Worms.Armageddon
         /// <summary>
         /// Gets or sets the list of <see cref="Team"/> instances stored.
         /// </summary>
-        public List<Team> Teams { get; set; }
+        public IList<Team> Teams { get; set; }
 
         // ---- METHODS (PUBLIC) ---------------------------------------------------------------------------------------
 
@@ -90,7 +90,7 @@ namespace Syroot.Worms.Armageddon
         /// <inheritdoc/>
         public void Save(Stream stream)
         {
-            using BinaryStream writer = new BinaryStream(stream, encoding: Encoding.ASCII);
+            using BinaryStream writer = new BinaryStream(stream, encoding: Encoding.ASCII, leaveOpen: true);
 
             // Write the header.
             writer.Write(_signature, StringCoding.ZeroTerminated);
@@ -119,75 +119,36 @@ namespace Syroot.Worms.Armageddon
     /// </summary>
     [Flags]
     public enum UnlockedFeatures : int
-    {
-        /// <summary>
-        /// The utility weapon Laser Sight can be configured.
-        /// </summary>
+    {
+        /// <summary>No features have been unlocked yet.</summary>
+        None,
+        /// <summary>The utility weapon Laser Sight can be configured.</summary>
         UtilityLaserSight = 1 << 0,
-
-        /// <summary>
-        /// The utility weapon Fast Walk can be configured.
-        /// </summary>
+        /// <summary>The utility weapon Fast Walk can be configured.</summary>
         UtilityFastWalk = 1 << 1,
-
-        /// <summary>
-        /// The utility weapon Invisibility can be configured.
-        /// </summary>
+        /// <summary>The utility weapon Invisibility can be configured.</summary>
         UtilityInvisibility = 1 << 2,
-
-        /// <summary>
-        /// The utility weapon Low Gravity can be configured.
-        /// </summary>
+        /// <summary>The utility weapon Low Gravity can be configured.</summary>
         UtilityLowGravity = 1 << 3,
-
-        /// <summary>
-        /// The utility weapon Jetpack can be configured.
-        /// </summary>
+        /// <summary>The utility weapon Jetpack can be configured.</summary>
         UtilityJetpack = 1 << 4,
-
-        /// <summary>
-        /// The Grenade upgrade can be enabled.
-        /// </summary>
+        /// <summary>The Grenade upgrade can be enabled.</summary>
         UpgradedGrenade = 1 << 8,
-
-        /// <summary>
-        /// The Shotgun upgrade can be enabled.
-        /// </summary>
+        /// <summary>The Shotgun upgrade can be enabled.</summary>
         UpgradedShotgun = 1 << 9,
-
-        /// <summary>
-        /// The cluster upgrade can be enabled.
-        /// </summary>
+        /// <summary>The cluster upgrade can be enabled.</summary>
         UpgradedClusters = 1 << 10,
-
-        /// <summary>
-        /// The Longbow upgrade can be enabled.
-        /// </summary>
+        /// <summary>The Longbow upgrade can be enabled.</summary>
         UpgradedLongbow = 1 << 11,
-
-        /// <summary>
-        /// The upgrade of Super Sheeps to become Aqua Sheeps can be enabled.
-        /// </summary>
+        /// <summary>The upgrade of Super Sheeps to become Aqua Sheeps can be enabled.</summary>
         AquaSheep = 1 << 12,
-
-        /// <summary>
-        /// Worms can have infinite health and are killable only by drowning them.
-        /// </summary>
+        /// <summary>Worms can have infinite health and are killable only by drowning them.</summary>
         GodWorms = 1 << 16,
-
-        /// <summary>
-        /// Blood effects when hitting worms can be enabled.
-        /// </summary>
+        /// <summary>Blood effects when hitting worms can be enabled.</summary>
         BloodFx = 1 << 17,
-
-        /// <summary>
-        /// Every crate explodes with a sheep.
-        /// </summary>
+        /// <summary>Every crate explodes with a sheep.</summary>
         SheepHeaven = 1 << 18,
-
-        /// <summary>
-        /// Map terrain can be indestructible and Full Wormage scheme is accessible.
-        /// </summary>
+        /// <summary>Map terrain can be indestructible and Full Wormage scheme is accessible.</summary>
         IndestructibleAndFullWormage = 1 << 24
     }
 }
diff --git a/src/library/Syroot.Worms.WorldParty/Team.cs b/src/library/Syroot.Worms.WorldParty/Team.cs
index 716c44f..9c029cb 100644
--- a/src/library/Syroot.Worms.WorldParty/Team.cs
+++ b/src/library/Syroot.Worms.WorldParty/Team.cs
@@ -210,7 +210,7 @@ namespace Syroot.Worms.WorldParty
                 {
                     BitsPerPixel = 8,
                     Size = new Size(24, 32),
-                    Palette = reader.ReadStructs<Color>(256),
+                    Palette = reader.ReadColors(256),
                     Data = reader.ReadBytes(24 * 32)
                 };
             }
@@ -233,7 +233,7 @@ namespace Syroot.Worms.WorldParty
             {
                 BitsPerPixel = 8,
                 Size = new Size(20, 17),
-                Palette = reader.ReadStructs<Color>(256),
+                Palette = reader.ReadColors(256),
                 Data = reader.ReadBytes(20 * 17)
             };
 
@@ -262,7 +262,7 @@ namespace Syroot.Worms.WorldParty
             if (GraveSprite < 0)
             {
                 writer.WriteString(GraveFileName, 0x20);
-                writer.WriteStructs(Grave.Palette);
+                writer.WriteColors(Grave.Palette);
                 writer.Write(Grave.Data);
             }
 
@@ -280,7 +280,7 @@ namespace Syroot.Worms.WorldParty
             writer.WriteStructs(MissionStatuses);
 
             writer.WriteString(FlagFileName, 0x20);
-            writer.WriteStructs(Flag.Palette);
+            writer.WriteColors(Flag.Palette);
             writer.Write(Flag.Data);
 
             writer.Write(Unknown1);
diff --git a/src/library/Syroot.Worms/Core/IO/StreamExtensions.cs b/src/library/Syroot.Worms/Core/IO/StreamExtensions.cs
index 928de1b..78ad865 100644
--- a/src/library/Syroot.Worms/Core/IO/StreamExtensions.cs
+++ b/src/library/Syroot.Worms/Core/IO/StreamExtensions.cs
@@ -1,6 +1,7 @@
 using System;
 using System.Collections.Generic;
 using System.Diagnostics;
+using System.Drawing;
 using System.IO;
 using System.Runtime.CompilerServices;
 using System.Runtime.InteropServices;
@@ -22,7 +23,7 @@ namespace Syroot.Worms.Core.IO
         /// Reads an <see cref="ILoadable"/> instance from the current stream.
         /// </summary>
         /// <typeparam name="T">The type of the <see cref="ILoadable"/> class to instantiate.</typeparam>
-        /// <param name="self">The extended <see cref="BinaryStream"/>.</param>
+        /// <param name="self">The extended <see cref="BinaryStream"/> instance.</param>
         /// <returns>The <see cref="ILoadable"/> instance.</returns>
         public static T Load<T>(this BinaryStream self) where T : ILoadable, new()
         {
@@ -35,7 +36,7 @@ namespace Syroot.Worms.Core.IO
         /// Reads <see cref="ILoadable"/> instances from the current stream.
         /// </summary>
         /// <typeparam name="T">The type of the <see cref="ILoadable"/> class to instantiate.</typeparam>
-        /// <param name="self">The extended <see cref="BinaryStream"/>.</param>
+        /// <param name="self">The extended <see cref="BinaryStream"/> instance.</param>
         /// <param name="count">The number of instances to read.</param>
         /// <returns>The <see cref="ILoadable"/> instances.</returns>
         public static T[] Load<T>(this BinaryStream self, int count) where T : ILoadable, new()
@@ -46,10 +47,31 @@ namespace Syroot.Worms.Core.IO
             return instances;
         }
 
+        /// <summary>
+        /// Reads an RGBA 32-bit color.
+        /// </summary>
+        /// <param name="self">The extended <see cref="BinaryStream"/> instance.</param>
+        /// <returns>The read color.</returns>
+        public static Color ReadColor(this BinaryStream self) => Color.FromArgb(self.ReadInt32());
+
+        /// <summary>
+        /// Reads <paramref name="count"/> RGBA 32-bit colors.
+        /// </summary>
+        /// <param name="self">The extended <see cref="BinaryStream"/> instance.</param>
+        /// <param name="count">The number of values to read.</param>
+        /// <returns>The read colors.</returns>
+        public static Color[] ReadColors(this BinaryStream self, int count)
+        {
+            Color[] values = new Color[count];
+            for (int i = 0; i < count; i++)
+                values[i] = Color.FromArgb(self.ReadInt32());
+            return values;
+        }
+
         /// <summary>
         /// Reads a 0-terminated string which is stored in a fixed-size block of <paramref name="length"/> bytes.
         /// </summary>
-        /// <param name="self">The extended <see cref="BinaryStream"/>.</param>
+        /// <param name="self">The extended <see cref="BinaryStream"/> instance.</param>
         /// <param name="length">The number of bytes the fixed-size blocks takes.</param>
         /// <returns>The read string.</returns>
         public static string ReadString(this BinaryStream self, int length)
@@ -65,10 +87,10 @@ namespace Syroot.Worms.Core.IO
         /// Reads <paramref name="count"/> 0-terminated strings which are stored in a fixed-size block of
         /// <paramref name="length"/> bytes.
         /// </summary>
-        /// <param name="self">The extended <see cref="BinaryStream"/>.</param>
+        /// <param name="self">The extended <see cref="BinaryStream"/> instance.</param>
         /// <param name="count">The number of values to read.</param>
         /// <param name="length">The number of bytes the fixed-size blocks takes.</param>
-        /// <returns>The read string.</returns>
+        /// <returns>The read strings.</returns>
         public static string[] ReadStrings(this BinaryStream self, int count, int length)
         {
             string[] strings = new string[count];
@@ -83,7 +105,7 @@ namespace Syroot.Worms.Core.IO
         /// <typeparam name="T">The type of the structure to read.</typeparam>
         /// <param name="self">The extended <see cref="BinaryStream"/> instance.</param>
         /// <returns>The structure of type <typeparamref name="T"/>.</returns>
-        public static T ReadStruct<T>(this BinaryStream self) where T : struct
+        public static T ReadStruct<T>(this BinaryStream self) where T : unmanaged
         {
             // Read the raw bytes of the structure.
 #if NETSTANDARD2_0
@@ -106,7 +128,7 @@ namespace Syroot.Worms.Core.IO
         /// <param name="self">The extended <see cref="BinaryStream"/> instance.</param>
         /// <param name="count">The number of values to read.</param>
         /// <returns>The structures of type <typeparamref name="T"/>.</returns>
-        public static T[] ReadStructs<T>(this BinaryStream self, int count) where T : struct
+        public static T[] ReadStructs<T>(this BinaryStream self, int count) where T : unmanaged
         {
             // Read the raw bytes of the structures.
 #if NETSTANDARD2_0
@@ -141,7 +163,7 @@ namespace Syroot.Worms.Core.IO
         /// Writes the given <see cref="ISaveable"/> instance into the current stream.
         /// </summary>
         /// <typeparam name="T">The type of the <see cref="ISaveable"/> class to write.</typeparam>
-        /// <param name="self">The extended <see cref="BinaryStream"/>.</param>
+        /// <param name="self">The extended <see cref="BinaryStream"/> instance.</param>
         /// <param name="value">The instance to write into the current stream.</param>
         public static void Save<T>(this BinaryStream self, T value) where T : ISaveable
         {
@@ -152,7 +174,7 @@ namespace Syroot.Worms.Core.IO
         /// Writes the given <see cref="ISaveable"/> instances into the current stream.
         /// </summary>
         /// <typeparam name="T">The type of the <see cref="ISaveable"/> class to write.</typeparam>
-        /// <param name="self">The extended <see cref="BinaryStream"/>.</param>
+        /// <param name="self">The extended <see cref="BinaryStream"/> instance.</param>
         /// <param name="values">The instances to write into the current stream.</param>
         public static void Save<T>(this BinaryStream self, IList<T> values) where T : ISaveable
         {
@@ -166,6 +188,25 @@ namespace Syroot.Worms.Core.IO
                 self.WriteInt32(value);
         }
 
+        /// <summary>
+        /// Writes the given color.
+        /// </summary>
+        /// <param name="self">The extended <see cref="BinaryStream"/> instance.</param>
+        /// <param name="value">The color to write.</param>
+        public static void WriteColor(this BinaryStream self, Color color)
+            => self.Write(color.R << 24 | color.G << 16 | color.B << 8 | color.A);
+
+        /// <summary>
+        /// Writes the given colors.
+        /// </summary>
+        /// <param name="self">The extended <see cref="BinaryStream"/> instance.</param>
+        /// <param name="value">The colors to write.</param>
+        public static void WriteColors(this BinaryStream self, IEnumerable<Color> colors)
+        {
+            foreach (Color color in colors)
+                WriteColor(self, color);
+        }
+
         /// <summary>
         /// Writes the given string into a fixed-size block of <paramref name="length"/> bytes and 0-terminates it.
         /// </summary>
@@ -187,7 +228,7 @@ namespace Syroot.Worms.Core.IO
         /// <param name="self">The extended <see cref="BinaryStream"/> instance.</param>
         /// <param name="values">The strings to write.</param>
         /// <param name="length">The number of bytes a fixed-size block takes.</param>
-        public static void WriteStrings(this BinaryStream self, IList<string> values, int length)
+        public static void WriteStrings(this BinaryStream self, IEnumerable<string> values, int length)
         {
             foreach (string value in values)
                 WriteString(self, value, length);
@@ -199,7 +240,7 @@ namespace Syroot.Worms.Core.IO
         /// <typeparam name="T">The type of the structure to read.</typeparam>
         /// <param name="self">The extended <see cref="BinaryStream"/> instance.</param>
         /// <param name="value">The structure to write.</param>
-        public static void WriteStruct<T>(this BinaryStream self, T value) where T : struct
+        public static void WriteStruct<T>(this BinaryStream self, T value) where T : unmanaged
         {
             ReadOnlySpan<byte> bytes;
             unsafe { bytes = new ReadOnlySpan<byte>(Unsafe.AsPointer(ref value), Unsafe.SizeOf<T>()); }
@@ -216,10 +257,10 @@ namespace Syroot.Worms.Core.IO
         /// <typeparam name="T">The type of the structure to read.</typeparam>
         /// <param name="self">The extended <see cref="BinaryStream"/> instance.</param>
         /// <param name="values">The structures to write.</param>
-        public static void WriteStructs<T>(this BinaryStream self, IEnumerable<T> values) where T : struct
+        public static void WriteStructs<T>(this BinaryStream self, IEnumerable<T> values) where T : unmanaged
         {
             foreach (T value in values)
-                self.WriteStruct(value);
+                WriteStruct(self, value);
         }
     }
 }
diff --git a/src/test/Syroot.Worms.Armageddon.Test/Files/Teams/custom.wgt b/src/test/Syroot.Worms.Armageddon.Test/Files/Teams/custom.wgt
new file mode 100644
index 0000000..4d3368f
Binary files /dev/null and b/src/test/Syroot.Worms.Armageddon.Test/Files/Teams/custom.wgt differ
diff --git a/src/test/Syroot.Worms.Armageddon.Test/Files/Teams/default.wgt b/src/test/Syroot.Worms.Armageddon.Test/Files/Teams/default.wgt
new file mode 100644
index 0000000..58f6873
Binary files /dev/null and b/src/test/Syroot.Worms.Armageddon.Test/Files/Teams/default.wgt differ
diff --git a/src/test/Syroot.Worms.Armageddon.Test/Files/Teams/default.wwp b/src/test/Syroot.Worms.Armageddon.Test/Files/Teams/default.wwp
new file mode 100644
index 0000000..e2dc511
Binary files /dev/null and b/src/test/Syroot.Worms.Armageddon.Test/Files/Teams/default.wwp differ
diff --git a/src/test/Syroot.Worms.Armageddon.Test/TeamContainerTests.cs b/src/test/Syroot.Worms.Armageddon.Test/TeamContainerTests.cs
index c2bb7c8..b5bd9e2 100644
--- a/src/test/Syroot.Worms.Armageddon.Test/TeamContainerTests.cs
+++ b/src/test/Syroot.Worms.Armageddon.Test/TeamContainerTests.cs
@@ -13,9 +13,9 @@ namespace Syroot.Worms.Test.Armageddon
         // ---- METHODS (PUBLIC) ---------------------------------------------------------------------------------------
 
         /// <summary>
-        /// Loads all files found in any game directories.
+        /// Tests all files found in the test directory.
         /// </summary>
         [TestMethod]
-        public void LoadTeamContainers() => FileTester.Run<TeamContainer>(Game.Armageddon, "*.wgt");
+        public void LoadTeamContainers() => FileTester.Run<TeamContainer>(Game.Test, "*.wgt");
     }
 }
diff --git a/src/test/Syroot.Worms.Test/Core/FileTester.cs b/src/test/Syroot.Worms.Test/Core/FileTester.cs
index 0ea2f08..276e22b 100644
--- a/src/test/Syroot.Worms.Test/Core/FileTester.cs
+++ b/src/test/Syroot.Worms.Test/Core/FileTester.cs
@@ -62,8 +62,11 @@ namespace Syroot.Worms.Test.Core
                     T newInstance = new T();
                     newInstance.Load(stream);
 
-                    Debug.Write($" compare");
-                    Assert.IsTrue(newInstance.Equals(instance));
+                    if (instance is IEquatable<T> equatable)
+                    {
+                        Debug.Write($" compare");
+                        Assert.IsTrue(((IEquatable<T>)newInstance).Equals(equatable));
+                    }
                 }
                 Debug.WriteLine($" OK");
             }