app/Http/Controllers/UserProfileController.php

@@ -3,6 +3,7 @@
 namespace App\Http\Controllers;
 
 use App\Models\Achievement;
+use App\Models\AchievementCategory;
 use App\Models\Aircraft;
 use App\Models\Airport;
 use App\Models\Alliance;
@@ -105,8 +106,14 @@ class UserProfileController extends Controller
         $achievements = Achievement::with(['category', 'difficulty'])
             ->orderBy('id', 'asc')
             ->get()
-            ->groupBy(fn(Achievement $a) => $a->category->name)
-            ->map(fn($group) => $group->sortBy('sort_order')->values());
+            ->groupBy(fn(Achievement $a) => $a->category->internal_name)
+            ->sortBy(function ($group, $internalName) {
+                $index = array_search($internalName, AchievementCategory::ORDER);
+                return $index === false ? PHP_INT_MAX : $index;
+            })
+            ->mapWithKeys(fn($group) => [
+                $group->first()->category->name => $group->sortBy('sort_order')->values(),
+            ]);
 
         $userAchievements = $user->achievements()
             ->with('achievement')

app/Models/AchievementCategory.php

@@ -16,6 +16,16 @@ use Illuminate\Database\Eloquent\Relations\HasMany;
  */
 class AchievementCategory extends Model
 {
+    const array ORDER = [
+        'number_of_flights',
+        'distance',
+        'general_flying',
+        'countries_and_continents',
+        'aircraft',
+        'airlines_and_alliances',
+        'fun_challenges',
+    ];
+
     protected $fillable = [
         'internal_name',
         'name',

database/migrations/2026_08_21_131434_add_achievement_category.php

@@ -0,0 +1,57 @@
+<?php
+
+use App\Models\Achievement;
+use App\Models\AchievementCategory;
+use Illuminate\Database\Migrations\Migration;
+
+return new class extends Migration
+{
+    public function up(): void
+    {
+        $newCategory = AchievementCategory::create([
+            'internal_name' => 'number_of_flights',
+            'name'          => 'Number of Flights',
+            'description'   => 'Achievements for reaching flight count milestones.',
+        ]);
+
+        $achievementsToUpdate = [
+            'general_flying.first_flight',
+            'general_flying.10_flights',
+            'general_flying.500_flights',
+            'general_flying.50_flights',
+            'general_flying.100_flights',
+            'general_flying.1000_flights',
+        ];
+
+        foreach ($achievementsToUpdate as $internalName) {
+            $achievement = Achievement::where('internal_name', $internalName)->first();
+
+            if (!$achievement) {
+                continue; // or throw, depending how strict you want this
+            }
+
+            $achievement->update([
+                'achievement_category_id' => $newCategory->id,
+                'internal_name' => str_replace('general_flying.', 'number_of_flights.', $internalName),
+            ]);
+        }
+    }
+
+    public function down(): void
+    {
+        $oldCategory = AchievementCategory::where('internal_name', 'general_flying')->first();
+
+        if ($oldCategory) {
+            Achievement::where('internal_name', 'like', 'number_of_flights.%')
+                ->get()
+                ->each(function (Achievement $achievement) use ($oldCategory) {
+                    $achievement->update([
+                        'achievement_category_id' => $oldCategory->id,
+                        'internal_name' => str_replace('number_of_flights.', 'general_flying.', $achievement->internal_name),
+                    ]);
+                });
+        }
+
+        AchievementCategory::where('internal_name', 'number_of_flights')->delete();
+    }
+};