diff --git a/App/pages/klima-2d.php b/App/pages/klima-2d.php
new file mode 100644
index 0000000..27cde60
--- /dev/null
+++ b/App/pages/klima-2d.php
@@ -0,0 +1,115 @@
+<?php
+/**
+ * Klimawächter 2D (V2) — PHP-Wrapper
+ * Lädt sims/klima/game-2d.html, injiziert Session-Kontext und Level-Config.
+ * URL: /geograsim/App/klima-2d (via index.php Front-Controller)
+ *      ?level=1|2|3  Schwierigkeit (Default: 1)
+ */
+
+require_once __DIR__ . '/../php/config/app.php';
+require_once __DIR__ . '/../php/lib/Database.php';
+require_once __DIR__ . '/../php/lib/Session.php';
+
+if (session_status() === PHP_SESSION_NONE) Session::start();
+
+$level      = max(1, min(3, (int)($_GET['level'] ?? 1)));
+$sessionId  = Session::studentId() ?? '';
+$studentName = 'Gast';
+$classId    = null;
+// Modul-Metadaten (Titel, Icon) werden vom Admin in der DB-Tabelle
+// `module_info` gepflegt — hier mit sinnvollen Defaults laden.
+$simName = 'Klimawächter 2D';
+$simIcon = '🌍';
+
+try {
+    $db = Database::get();
+    if ($sessionId) {
+        $row = $db->fetchOne(
+            'SELECT class_id, display_name FROM student_sessions WHERE id = ?',
+            [$sessionId]
+        );
+        if ($row) {
+            $studentName = $row['display_name'] ?: 'Schüler*in';
+            $classId     = (int)$row['class_id'];
+        }
+    }
+    // Modul-Info aus DB (Atlas-verwaltet). Defaults greifen, wenn Tabelle
+    // fehlt oder kein Eintrag für "klima" existiert.
+    $mi = $db->fetchOne(
+        'SELECT title, icon FROM module_info WHERE module_id = ?',
+        ['klima']
+    );
+    if ($mi) {
+        if (!empty($mi['title'])) $simName = $mi['title'];
+        if (!empty($mi['icon']))  $simIcon = $mi['icon'];
+    }
+} catch (Throwable $e) {
+    // DB nicht erreichbar → Defaults
+}
+
+// Level-Konfiguration — fachlich passend zur Spiellogik (V1).
+// easy = Lernen, medium = Üben, hard = Profi
+$levelConfigs = [
+    1 => [
+        'difficulty'     => 'easy',
+        'label'          => 'Lernen',
+        'startBudget'    => 600,
+        'startPopulation'=> 6000,
+        'incomePer10k'   => 220,
+        'blackoutGrace'  => 5,
+        'timeLimit'      => 75,
+        'eventFrequency' => 0.3,
+    ],
+    2 => [
+        'difficulty'     => 'medium',
+        'label'          => 'Üben',
+        'startBudget'    => 480,
+        'startPopulation'=> 6000,
+        'incomePer10k'   => 155,
+        'blackoutGrace'  => 0,
+        'timeLimit'      => 75,
+        'eventFrequency' => 0.5,
+    ],
+    3 => [
+        'difficulty'     => 'hard',
+        'label'          => 'Profi',
+        'startBudget'    => 220,
+        'startPopulation'=> 7000,
+        'incomePer10k'   => 110,
+        'blackoutGrace'  => 0,
+        'timeLimit'      => 75,
+        'eventFrequency' => 0.7,
+    ],
+];
+
+$ctx = [
+    'sessionId'   => $sessionId,
+    'studentName' => $studentName,
+    'classId'     => $classId,
+    'simId'       => 'klima',
+    'simName'     => $simName,
+    'simIcon'     => $simIcon,
+    'level'       => $level,
+    'levelConfig' => $levelConfigs[$level],
+    'baseUrl'     => BASE_URL,
+    'basePath'    => BASE_PATH,
+    'apiUrl'      => BASE_URL . '/php/api',
+];
+
+$html = file_get_contents(__DIR__ . '/../sims/klima/game-2d.html');
+if ($html === false) {
+    http_response_code(500);
+    echo 'game-2d.html nicht gefunden';
+    exit;
+}
+
+$bp = BASE_PATH;
+$baseTag = '<base href="' . htmlspecialchars($bp . '/sims/klima/', ENT_QUOTES) . '">';
+$ctxJs   = '<script>window.__GGS__ = ' . json_encode($ctx, JSON_UNESCAPED_UNICODE | JSON_UNESCAPED_SLASHES) . ';</script>';
+
+// <base>-Tag direkt nach <head> einfügen, damit relative Pfade aus /sims/klima/ heraus auflösen
+$html = preg_replace('/<head>/i', '<head>' . "\n" . $baseTag, $html, 1);
+// Session-Kontext vor </body>
+$html = str_replace('</body>', $ctxJs . "\n</body>", $html);
+
+echo $html;
