diff --git a/Cocotte/Modules/Activities/ActivityFormatter.cs b/Cocotte/Modules/Activities/ActivityFormatter.cs
index d860535..a4c1290 100644
--- a/Cocotte/Modules/Activities/ActivityFormatter.cs
+++ b/Cocotte/Modules/Activities/ActivityFormatter.cs
@@ -10,9 +10,11 @@ namespace Cocotte.Modules.Activities;
 public class ActivityFormatter
 {
     private readonly ActivityOptions _options;
+    private readonly InterstellarFormatter _interstellarFormatter;
 
-    public ActivityFormatter(IOptions<ActivityOptions> options)
+    public ActivityFormatter(IOptions<ActivityOptions> options, InterstellarFormatter interstellarFormatter)
     {
+        _interstellarFormatter = interstellarFormatter;
         _options = options.Value;
     }
 
@@ -26,7 +28,7 @@ public class ActivityFormatter
             ActivityName.VoidRift => "Failles du néant",
             ActivityName.OriginsOfWar => "Origine de la guerre",
             ActivityName.JointOperation => "Opération conjointe",
-            ActivityName.InterstellarExploration => "Portes interstellaires",
+            ActivityName.InterstellarExploration => "Porte interstellaire",
             ActivityName.BreakFromDestiny => "Échapper au destin (3v3)",
             ActivityName.CriticalAbyss => "Abîme critique (8v8)",
             ActivityName.Event => "Event",
@@ -36,6 +38,11 @@ public class ActivityFormatter
         };
     }
 
+    public static string GetActivityBanner(ActivityName activityName)
+    {
+        return $"https://sage.cdn.ilysix.fr/assets/Cocotte/banner/{GetActivityCode(activityName)}.webp";
+    }
+
     public EmbedBuilder ActivityEmbed(Activity activity, IReadOnlyCollection<ActivityPlayer> players)
     {
         // Activity full
@@ -53,23 +60,34 @@ public class ActivityFormatter
         {
             StagedActivity stagedActivity =>
                 $"{FormatActivityName(activity.Name)} ({players.Count}/{activity.MaxPlayers}) - Étage {stagedActivity.Stage}",
-            _ => $"{FormatActivityName(activity.Name)} ({players.Count}/{activity.MaxPlayers})"
+            InterstellarActivity interstellar =>
+                $"{FormatActivityName(activity.Name)} {_interstellarFormatter.FormatInterstellarColor(interstellar.Color)} ({players.Count}/{activity.MaxPlayers})",
+            _ =>
+                $"{FormatActivityName(activity.Name)} ({players.Count}/{activity.MaxPlayers})"
         };
 
         string description = string.IsNullOrWhiteSpace(activity.Description)
             ? $"Rejoignez l'activité de {MentionUtils.MentionUser(activity.CreatorDiscordId)}"
             : activity.Description;
 
-        string bannerUrl = $"https://sage.cdn.ilysix.fr/assets/Cocotte/banner/{GetActivityCode(activity.Name)}.webp";
+        string bannerUrl = GetActivityBanner(activity.Name);
 
         var color = activityFull ? Colors.CocotteOrange : Colors.CocotteBlue;
 
-        return new EmbedBuilder()
+        var builder = new EmbedBuilder()
             .WithColor(color)
             .WithTitle(title)
             .WithDescription(description)
             .WithImageUrl(bannerUrl)
             .WithFields(playersField);
+
+        // Add material for interstellar exploration
+        if (activity is InterstellarActivity interstellarActivity)
+        {
+            builder.WithThumbnailUrl(_interstellarFormatter.GetColorIcon(interstellarActivity.Color));
+        }
+
+        return builder;
     }
 
     private static string GetActivityCode(ActivityName activityName) => activityName switch
diff --git a/Cocotte/Modules/Activities/InterstellarFormatter.cs b/Cocotte/Modules/Activities/InterstellarFormatter.cs
new file mode 100644
index 0000000..f7ddadb
--- /dev/null
+++ b/Cocotte/Modules/Activities/InterstellarFormatter.cs
@@ -0,0 +1,30 @@
+using Cocotte.Modules.Activities.Models;
+
+namespace Cocotte.Modules.Activities;
+
+public class InterstellarFormatter
+{
+    public string FormatInterstellarColor(InterstellarColor color) => color switch
+    {
+        InterstellarColor.Black => "noire",
+        InterstellarColor.Blue => "bleue",
+        InterstellarColor.Green => "verte",
+        InterstellarColor.Red => "rouge",
+        _ => "N/A"
+    };
+
+    public string InterstellarColorEmote(InterstellarColor color) => color switch
+    {
+        InterstellarColor.Black => "<:gate_black:1088385899022258248>",
+        InterstellarColor.Blue => "<:gate_blue:1088385901324935200>",
+        InterstellarColor.Green => "<:gate_green:1088385902792945664>",
+        InterstellarColor.Red => "<:gate_red:1088385905405984859>",
+        _ => ""
+    };
+
+    public string GetColorIcon(InterstellarColor color)
+    {
+        return
+            $"https://sage.cdn.ilysix.fr/assets/Cocotte/icons/tof/gate/gate_{color.ToString().ToLowerInvariant()}.webp";
+    }
+}
\ No newline at end of file
diff --git a/Cocotte/Program.cs b/Cocotte/Program.cs
index fdc6613..00604b7 100644
--- a/Cocotte/Program.cs
+++ b/Cocotte/Program.cs
@@ -48,9 +48,10 @@ IHost host = Host.CreateDefaultBuilder(args)
         services.AddSingleton<IPlayerInfosRepository, MemoryPlayerInfosRepository>();
         services.AddSingleton<RolesOptions>();
 
-        // Groups
+        // Activities
         services.AddTransient<ActivityFormatter>();
-        services.AddSingleton<ActivityHelper>();
+        services.AddTransient<InterstellarFormatter>();
+        services.AddTransient<ActivityHelper>();
 
         // Raids
         services.AddTransient<RaidFormatter>();
diff --git a/Cocotte/Services/CocotteDbContext.cs b/Cocotte/Services/CocotteDbContext.cs
index 7f98625..e2d2124 100644
--- a/Cocotte/Services/CocotteDbContext.cs
+++ b/Cocotte/Services/CocotteDbContext.cs
@@ -7,6 +7,7 @@ public class CocotteDbContext : DbContext
 {
     public DbSet<Activity> Activities => Set<Activity>();
     public DbSet<StagedActivity> StagedActivities => Set<StagedActivity>();
+    public DbSet<InterstellarActivity> InterstellarActivities => Set<InterstellarActivity>();
 
     public DbSet<ActivityPlayer> ActivityPlayers => Set<ActivityPlayer>();
     public DbSet<ActivityRolePlayer> ActivityRolePlayers => Set<ActivityRolePlayer>();